[{"id": "inhs-100", "words": "3809", "extension": ".pdf", "flesch": "72", "author": "Burrill, T. J.", "title": "Upon parasitic fungi", "date": "1876", "keywords": "conidia; fig; forms; leaves; mycelium; plants; plate; species; tissues", "summary": "Other plants not distantly related have such forms of fruit. To see rare forms men traverse oceans and make pil- grimages over continents ; but here are countless unseen living things, under our feet, on every side, in the air we breathe, in the food we eat, on plants, on animals, germinating and propagating under our own finger nails and even in our mouths, possessing a variety of form and structure, often curious and beautiful, never equalled by art and not surpassed in nature.", "mime": "application/pdf"}, {"id": "inhs-101", "words": "3586", "extension": ".pdf", "flesch": "82", "author": "Thomas, Cyrus L.", "title": "A list of the Orthoptera of Illinois", "date": "1876", "keywords": "bost; ent; harr; hist; nat; oedipoda; orth; scudd; species; state", "summary": "Locusta viridifasciata, Harr., < at. Locusta nebulosa, Harr., Rep., 181.", "mime": "application/pdf"}, {"id": "inhs-102", "words": "56005", "extension": ".pdf", "flesch": "73", "author": "Dietrich, Christopher H.; Dmitriev, Dmitry A.", "title": "Review of the Species of New World Erythroneurini (Hemiptera: Cicadellidae: Typhlocybinae): IV. Genus Eratoneura", "date": "2010", "keywords": "aedeagus; angle; apex blunt; apodemes; appendage; basal; base; beamer; cell; co.; denticulate; description; dietrich; distally; distance; distribution; dmitriev; dorsal view; elongate; eratoneura; erythroneura; fig; forewing; genus; hepner; holotype; host; illinois; knull; length; lobes; locality; long; plants; plate; points; preatrium; processes; pygofer apex; pygofer lobe; quercus; ross; shaft; short; species; style apex; toothlike; usa; view", "summary": "Eratoneura spinifera (Beamer, 1931) (Fig. 169, Plate 10b) Erythroneura spinifera Beamer, 1931b:240 Erythroneura compressa Knull & Auten, 1937a:573, syn.n. Eratoneura lata (Beamer, 1932) (Fig. 84, Plate 5t) Erythroneura lata Beamer, 1932e:86 Erythroneura (Eratoneura) lata Young, 1952b:88 Eratoneura lata Dietrich & Dmitriev, 2006a:136 description: Length 2.8\u20133 mm.", "mime": "application/pdf"}, {"id": "inhs-103", "words": "23903", "extension": ".pdf", "flesch": "72", "author": "Phillippe, Loy R.; Molano-Flores, Brenda; Murphy, Michael J.C.; Marcum, Paul B.; Ebinger, John E.", "title": "Status of Endangered and Threatened Sand Area Species of the Illinois Flora", "date": "2011", "keywords": "area; co.; cook; county; deposits; division; dunes; ebinger; endangered; flora; history; illinois; illinois collections; illinois endangered; illinois literature; illinois natural; illinois river; illinois sand; illinois state; ills; ism; kankakee; lake; mohlenbrock; mor; natural; nature; north; phillippe; prairie; preserve; river sand; sand; sand deposits; section; species; specimens; status; survey", "summary": "It is mostly restricted to disturbed sand prairie remnants and sandy roadsides in Illinois River sand deposits. An associational study of Illinois sand prairie.", "mime": "application/pdf"}, {"id": "inhs-104", "words": "12788", "extension": ".pdf", "flesch": "61", "author": "Brown, Lauren E.; Phillips, Christopher A.", "title": "Distribution, Habitat, and Zoogeography of the Semifossorial Red-bellied Snake Storeria occipitomaculata (Storer) in Illinois", "date": "2012", "keywords": "america; amphibians; area; brown; bulletin; county; distribution; field; forest; habitat; history; illinois; inhs; lake; museum; natural; north; notes; occipitomaculata; prairie; records; reptiles; snake; species; specimens; state; storeria; survey; university; woods; zoogeography", "summary": "Catalogue of animals observed in Cook County Illinois. The Authors: Lauren E. Brown is Emeritus Professor of Vertebrate Zoology and Curator of Amphibians and Reptiles, School of Biological Sciences, Illinois State University, Campus Box 4120, Normal 61790-4120.", "mime": "application/pdf"}, {"id": "inhs-105", "words": "36998", "extension": ".pdf", "flesch": "61", "author": "Chick, John H.; Soeken-Gittinger, Lori A.; Ratcliff, Eric N.; Gittinger, Eric J.; Lubinski, Benjamin J.; Maher, Rob E.", "title": "A decade of monitoring on Pool 26 of the upper Mississippi River System: water quality and fish data from the Upper Mississippi River Restoration Environmental Management Program", "date": "2013", "keywords": "appendix; areas; carp; catch; catfish; channel; commercial; cpue; data; discharge; environmental; error; fig; fish; fish data; fishes; history; illinois; ltrmp; ltrmp data; means; mississippi; mississippi river; monitoring; natural; pool; program; quality; river; sampling; size; species; srs; srs data; standard; survey; term; total; trends; upper; water; year; yoy", "summary": "Distribution and relative abundance of Upper Mississippi River fishes. Data from LTRMP fixed sites provide an appropriate time series to correlate with YOY fish data.", "mime": "application/pdf"}, {"id": "inhs-106", "words": "33064", "extension": ".pdf", "flesch": "67", "author": "Huebschman, J. J.", "title": "Distribution, Abundance, and Habitat Associations of Franklin\u2019s Ground Squirrel (Spermophilus franklinii Sabine 1822)", "date": "2007", "keywords": "abundance; areas; associations; bailey; box; bulletin; co.; county; dakota; distribution; field; folder; franklinii distribution; franklinii populations; ground; habitat; history; illinois; indiana; iowa; kansas; lake; mammals; manitoba; minnesota; missouri; museum; natural; nmnh; north; park; populations; prairie; range; region; river; rom; s. franklinii; sites; south; species; spermophilus; squirrel; state; study; survey; table; university; wisconsin; years", "summary": "Although Lotter (1994) reported a continued reduction in S. franklinii populations since Johnson and Choromanski-Norris (1992), she still found the squirrel at eight sites in three counties, whereas Bailey (1893) reported S. franklinii from only two sites in extreme western Indiana. Loss of S. franklinii habitat as a result of human activity is also certainly less in the northern portion of the squirrel\u2019s geographic range, which is populated at lower human densities.", "mime": "application/pdf"}, {"id": "inhs-107", "words": "27600", "extension": ".pdf", "flesch": "68", "author": "Dmitriev, Dmitry A.; Dietrich, Christopher H.", "title": "Review of the New World Erythroneurini (Hemiptera: Cicadellidae: Typhlocybinae): I. Genera Erythroneura, Erasmoneura, Rossmoneura, and Hymetta", "date": "2007", "keywords": "aedeagus; apex; basal; basally; beamer; brown; cell; dark; distal; dorsal; erythroneura; fig; length; lobe; margin; mcatee; pale; parallel; point; processes; pygofer; robinson; shaft; species; spot; style; type; usa; ventral; view", "summary": "Erythroneura diva McAtee, 1920 (Fig. 4) Erythroneura tricincta var. Erythroneura calycula McAtee, 1920 (Fig. 21, Plate1b) Erythroneura tricincta var.", "mime": "application/pdf"}, {"id": "inhs-108", "words": "14606", "extension": ".pdf", "flesch": "77", "author": "Ridgway, Robert L.", "title": "A Revised Catalogue of the Birds Ascertained to Occur in Illinois", "date": "1881", "keywords": "american; baird; birds; black; boie; breeding; bull; catalogue; coues; counties; family; genus; gmel; gray; illinois; linn; localities; nelson; portion; red; resident; ridgw; sojourner; southern; southward; species; state; summer sojourner; transient; visitant; warbler; white; winter; winter sojourner", "summary": "Genus HBLMiNxnoTHERus, Raflnesque. *33. H. vermivorus (Gm.) Genus .Egiothus, Cabanis. 91.", "mime": "application/pdf"}, {"id": "inhs-109", "words": "3920", "extension": ".pdf", "flesch": "78", "author": "Weed, Clarence M.", "title": "Notes on Some Illinois Microgasters: with Descriptions of New Species", "date": "1887", "keywords": "apanteles; cocoons; henshaw; insert; line; page; read; species; specimens", "summary": "im, Col. {Goding); 188, Ya., Tex., and Yict. (Hen- shair) ; 21, N. Y. {Lintner); 14, 19, 22, 27, 28, 41, 53, 65, 71, 76, 85, 96, 107, 131, 216, 223, 261, Neb. {Barher)\\ 28, Mich. {Cool-), Me., Fla., Tex., Calif., and B. C. {Henshaw); 34, 44, 66, 91, 116, 122, 132, and 145, Mich. {Cool-) ; 41, B. C. {Henshaw), Nev. {Hillman); 43, Miss. {Weed), Mich. {Cool-) ; 46, Mass. {Henshaw), Mich. {Cook) ; 52, Mich. {Cool), la. {Osborn), Ya. and Md. {Henshaw)', 55, Mich. {Cook), Pa. {Rathvon), la. ?", "mime": "application/pdf"}, {"id": "inhs-110", "words": "8253", "extension": ".pdf", "flesch": "77", "author": "Woodworth, Charles W.", "title": "Jassidae of Illinois: Part 1", "date": "1887", "keywords": "beneath; black; brown; elytra; green; head; line; margin; thorax; yellow", "summary": "Above yellow, tinted with rosy, and marked with brown lines as follows: beginning at the base of the head, two parallel lines, close together, extend about half way to the front edge, then, making a regular curve, they pass backward and around the ocelli, making two or three angular bends, and then proceed directly forwards till they touch another paii- of black lines bordering the large striated portion of the reflexed front. Above reddish, marked with yellowish green, and with narrow black lines as follows: narrow a black line on the posterior margin and a larger one on the front edge; one on either side of the narrow longitudinal median light stripe; one margining the lateral light stripes; and, lastly, one transverse to this stripe, opposite the genge.", "mime": "application/pdf"}, {"id": "inhs-111", "words": "12294", "extension": ".pdf", "flesch": "74", "author": "Garman, H. L.", "title": "On the Anatomy and Histology of a New Earthworm (Diplocardia communis gen. et sp. nov.)", "date": "1888", "keywords": "anterior; body; dorsal; eisen; fibers; fig; length; line; muscle; pairs; posterior; somites; tissue; ventral; vessel; wall", "summary": "A few of the first somites are shorter than those which follow, but the maximum of length for these divisions of the body is reached at about somite 7; behind this somite is a grad- ual decrease in their length, so that at the middle of the length of the body somites are only half as long as the longest, and at the posterior extremity they are less than a third of the length of anterior somites. In most cases these are the only papillse present; but in one example seen, there were besides the pair on somite 17, four pairs on somites 20, 21, 22, and 23, respectively.", "mime": "application/pdf"}, {"id": "inhs-112", "words": "7367", "extension": ".pdf", "flesch": "78", "author": "Weed, Clarence M.", "title": "A Descriptive Catalogue of the Phalangiinae of Illinois", "date": "1890", "keywords": "body; brown; eye; hairs; legs; light; page; palpi; specimens; surface; tubercles", "summary": "Tibia arched, densely clothed with long black hairs ; a patch of short black tubercles on the proximal portion of its ventral The Fhalangnnw of Illinois. Eye eminence slightly wider than high, black above, canaliculate, with small black tubercles over the eye?.", "mime": "application/pdf"}, {"id": "inhs-113", "words": "6788", "extension": ".pdf", "flesch": "69", "author": "Levengood, Jeffrey M.; Marcisz, Walter J.; Klement, Allison M.; Kurcz, Margaret A.", "title": "Black-crowned Night-Herons of the Lake Calumet Region,Chicago, Illinois: Nesting ecology of Black-crowned Night-Herons at Lake Calumet Wetlands", "date": "2005", "keywords": "april; august; bcnh; black; calumet; clutches; colony; eggs; herons; illinois; irm; lake; nests; night", "summary": "We did not observe Gulls at BCNH nests, although we did note a BCNH briefly chase a RBG that was flying low over the colony. Nesting phenology of Lake Calumet Black-crowned Night-Herons, 2002.", "mime": "application/pdf"}, {"id": "inhs-114", "words": "3089", "extension": ".pdf", "flesch": "63", "author": "Marcisz, Walter J.; Levengood, Jeffrey M.; Klement, Allison M.; Kurcz, Margaret A.", "title": "Black-crowned Night-Heronsof the Lake Calumet Region,Chicago, Illinois: Population trends in a Black-crowned Night-Heron colony at Lake Calumet Wetlands", "date": "2005", "keywords": "bcnh; black; herons; illinois; lake; natural; nesting; nests; night", "summary": "The Breeding Bird Survey Trend Map (1966\u20131996) for BCNH also shows decreases (< -1.5%) in Illinois River BCNH populations, and corre- sponding increases (> +1.5%) in LCW BCNH populations during that period. The number of BCNH nests increased dramati- Vol. 37 Art.", "mime": "application/pdf"}, {"id": "inhs-115", "words": "21325", "extension": ".pdf", "flesch": "62", "author": "Dietrich, Christopher H.; Dmitriev, Dmitry A.", "title": "Review of the Species of New World Erythroneurini (Hemiptera: Cicadellidae: Typhlocybinae): II. Genus Zyginama", "date": "2008", "keywords": "aedeagus; apex; appendage; beamer; brown; dorsal; fig; figs; gonopore; length; lobe; male; margin; near; pair; posterior; processes; pygofer; shaft; slender; species; view; zyginama", "summary": "Vol. 38 Art. 3164 Illinois Natural History Survey Bulletin Species Index (junior synonyms in italics; pages of individual species accounts in bold) adisi n. sp. .....................................................................................153, 154, 156, 157, 163, 169, 175 agnata Knull & Auten ...........................................................................135, 144, 145, 162, 168., 172 ales Beamer ...........................................................................................................................137, 167 angulata n. sp. ................................................................................................134, 144, 162, 167, 172 arizonica Knull & Auten ................................................................................134, 142, 162, 167, 171 attenuata n. sp. ......................................................................................153, 155, 158, 163, 169, 175 aucta McAtee .........................................................................................132, 137, 143, 162, 167, 170 bifida n. sp. .....................................................................................................153, 157, 163, 169, 175 bilocularis Van Duzee ...................................................................................................................137 blanda Knull & Auten ....................................................................................136, 151, 162, 168, 174 brunnedorsum n. sp. ...............................................................................135, 143, 147, 162, 168, 173 canyonensis Beamer ..............................................................................................................137, 167 carapana n. sp.................................................................................................133, 139, 162, 167, 170 casta Beamer ..................................................................................................135, 145, 162, 168, 172 cimmaroni Beamer.........................................................................................136, 149, 162, 168, 173 coahuilensis n. sp. .................................................................................133, 140, 143, 162, 167, 171 colima n. sp. ...................................................................................135, 139, 140, 146, 162, 168, 172 colorada n. sp. ........................................................................................136, 143, 148, 162, 168, 173 cornigera Beamer ...................................................................................131, 134, 145, 162, 168, 172 cristata n. sp. ..................................................................................................153, 155, 163, 169, 175 cuernavaca n. sp. ............................................................................................133, 139, 162, 167, 170 dentata Gillette ...............................................................................................................132, 137, 167 durangensis n. sp. ...........................................................................................134, 144, 162, 168, 172 elevata n. sp. .................................................................................................153, 155, 163, 169, 175 elongata n. sp. ................................................................................................134, 142, 162, 167, 171 enigmata n. sp. ...............................................................................................134, 143, 162, 167, 171 erosa McAtee .........................................................................................134, 145, 146, 162, 168, 172 furca n. sp. .............................................................................................153, 154, 155, 163, 169, 175 gibba n. sp. ............................................................................................153, 154, 157, 163, 169, 175 gracilifurca n. sp. ..........................................................................................153, 156, 163, 169, 175 grandis Beamer ......................................................................................132, 137, 138, 162, 167, 170 iguala Ross .....................................................................................................133, 142, 162, 167, 171 inclita Beamer ................................................................................................................................137 inornata McAtee ....................................................................................136, 143, 149, 162, 168, 173 intermedia n. sp. .............................................................................131, 152, 153, 156, 163, 169, 175 juglandacae Ross & Delong...........................................................................................................147 lanceolata n. sp. .............................................................................................135, 146, 162, 168. Only two species recorded from North America (Z. ochrescens, n. sp., and Z. serrata, n. sp.) were consistently recovered as sister groups to species endemic to South America.", "mime": "application/pdf"}, {"id": "inhs-116", "words": "9197", "extension": ".pdf", "flesch": "61", "author": "Larimore, Richard L.; Phillippe, Loy R.; Ebinger, John E.", "title": "Vascular Flora of Middle Fork Woods Nature Preserve", "date": "2008", "keywords": "acer; alba; americana; area; average; basal; carex; carya; forest; fork; growth; illinois; mesic; mfwnp; michx; natural; nature; preserve; quercus; saccharum; species; survey; table; upland; upland forest; vermilion; woods", "summary": "Small, 367, 529;3,4,7 *Persicaria vulgaris Webb & Moq., 282;7 Rumex altissimus Wood, 142;7 *Rumex crispus L., 136;7 PORTULACEAE Claytonia virginica L., 4;1,2,3,4,5,6,7,8 PRIMULACEAE Dodecatheon meadia L., 35;8 Lysimachia lanceolata Walt., 904;5 *Lysimachia nummularia L., 468;7 Samolus parviflorus Raf., 520;7 RANUNCULACEAE Actaea pachypoda Ell., 104;1,3,5 Anemone virginiana L., 239;3,6 Enemion biternatum Raf., 7;3,5,6,7,8 Hepatica americana (DC.) A. Wood, 183;6 Desmodium nudiflorum (L.) DC., 272;8 *Melilotus albus Medic., 250;7 *Robinia pseudoacacia L., 745;5 *Securigera varia (L.) Lassen, 462;7 FAGACEAE Fagus grandifolia Ehrh., 401;1,2,3,5 Quercus alba L., 319;1,2,5,6,8 Quercus bicolor Willd., 325;4 Quercus imbricaria Michx., 320, 544;5 Quercus X leana Nutt., 317, 492, 501;5 Quercus macrocarpa Michx., 322;6,7 Quercus muhlenbergii Engelm., 396, 453, 496;3,6,8 Quercus rubra L., 480, 494;3,5,6,8 Quercus velutina Lam., 399, 498;1,5,6,8 FUMARIACEAE Dicentra cucullaria (L.) Bernh., 5;3 GERANIACEAE Geranium maculatum L., 41, 167;3,5,6,8 GROSSULARIACEAE Ribes missouriense Nutt., 65;1,2,3,4,5,6,7,8 HIPPOCASTANACEAE Aesculus glabra Willd., 449;1,3,5,6,7,8 HYDRANGEACEAE Hydrangea arborescens L., 267;1,3,5,6,7,8 HYDROPHYLLACEAE Ellisia nyctelea L., 61;3,6 Hydrophyllum appendiculatum Michx., 89;1,3,5 Hydrophyllum virginianum L., 742;1,5 JUGLANDACEAE Carya cordiformis (Wangenh.)", "mime": "application/pdf"}, {"id": "inhs-117", "words": "10199", "extension": ".pdf", "flesch": "58", "author": "Esarey, Joan; Soucek, David J.; Levengood, Jeffrey M.; Hudson, Robert J.; Wimer, Wade; Halbrook, Richard S.", "title": "Contaminants in Unionid Mussels from the Confluence of the Mississippi and Illinois Rivers", "date": "2008", "keywords": "concentrations; confluence; contaminants; environmental; illinois; ilr; mdl; mississippi; msd; mussels; plicata; river; samples; species; survey; tissue; unionid; water", "summary": "DISCUSSION Numerous biotic and abiotic factors contribute to the variability of contaminant concentrations in freshwater mussel populations. Although Fe, Pb, and Zn were observed in digested blanks, the concen- trations were extremely low compared with sample concentration levels.", "mime": "application/pdf"}, {"id": "inhs-118", "words": "40146", "extension": ".pdf", "flesch": "68", "author": "Dmitriev, Dmitry A.; Dietrich, Christopher H.", "title": "Review of the Species of New World Erythroneurini (Hemiptera: Cicadellidae: Typhlocybinae): III. Genus Erythridula", "date": "2009", "keywords": "abdomen; aedeagal; aedeagus; angle; apex; basal; beamer; dark; dietrich; distal; distance; dmitriev; dorsal; dorsally; erythridula; erythroneura; fig; genus; hepner; holotype; host; johnson; length; lobe; locality; pale; point; preatrium; processes; pygofer; shaft; slender; species; style; style apex; toothlike; usa; view", "summary": "Erythroneura magnacalx Beamer, 1930b:451 Erythroneura magnacalyx Ackerman & Isely, 1931a:11, missp. Erythroneura nitida Beamer, 1935a:103 Erythroneura (Erythridula) nitida Young, 1952b:83 Erythroneura (Erythridula) camirei Hepner, 1976b:119, syn.n.", "mime": "application/pdf"}, {"id": "inhs-119", "words": "30020", "extension": ".pdf", "flesch": "67", "author": "LaBerge, Wallace E.; Thorp, Robbin W.", "title": "A revision of the bees of the genus Andrena of the Western Hemisphere: Part XIV\u2014Subgenus Onagrandrena", "date": "2005", "keywords": "andrena; area; basal; bees; black; brown; california; camissonia; co.; dorsal; ent; female; fig; hairs; half; lateral; linsley; long; macswain; mesoscutum; oenotherae; onagrandrena; pan; propodeum; punctate; punctures; scutellum; shiny; species; surface; terga; thorp; vertex; vestiture; width", "summary": "IMPERIAL CO.: SAN DI- EGO CO.: Mt. Laguna.", "mime": "application/pdf"}, {"id": "inhs-120", "words": "13371", "extension": ".pdf", "flesch": "67", "author": "Thorp, Robbin W.; LaBerge, Wallace E.", "title": "A revision of the bees of the genus Andrena of the Western Hemisphere: Part XV\u2014Subgenus Hesperandrena", "date": "2005", "keywords": "andrena; area; brown; california; co.; escondida; female; hairs; hesperandrena; lateral; pale; punctures; species; sterna; terga; thorp", "summary": "TULARE CO.: We assume that the subgenus is closely related to the subgenera Larandrena, Andrena s. str., Opandrena, Ptilandrena, and Leucandrena.", "mime": "application/pdf"}, {"id": "inhs-121", "words": "31786", "extension": ".pdf", "flesch": "52", "author": "Dietrich, Christopher H.; Dmitriev, Dmitry A.", "title": "Review of the New World genera of the Leafhopper Tribe Erythroneurini (Hemiptera: Cicadellidae: Typhlocycbinae)", "date": "2006", "keywords": "aedeagus; apex; apical; appendage; arboridia; base; beamer; brown; bulletin; cell; cicadellidae; combination eratoneura; combination erythridula; combination zyginama; connective; delong; distal; dorsal; entomological; erythroneura; erythroneurini; fig; figs; genera; genus; group; hepner; history; homoptera; illinois; journal; knull; leafhopper; length; lobe; male; margin; mcatee; natural; new; pair; plate; present; processes; pygofer; ross; setae; shaft; short; slender; species; species erythroneura; style; type; view; world", "summary": "5128 Illinois Natural History survey bulletin Erythridula collinsi (Hepner, 1977c:364) (Erythroneura), new combination Erythridula complicata (Johnson, 1935a:87) (Erythroneura), new combination Erythridula contrasta (Auten & Johnson, 1936a:62) (Erythroneura), new combination Erythridula cooni (Hepner, 1976b:121) (Erythroneura), new combination Erythridula cornipes (beamer, 1930b:449) (Erythroneura), new combination Erythridula cotidiana (beamer, 1930b:433) (Erythroneura), new combination Erythridula crataegi (Johnson, 1935a:61) (Erythroneura), new combination Erythridula crevecoeuri (Gillette, 1898a:767) (Typhlocyba), new combination Erythridula crossi (Hepner, 1976a:210) (Erythroneura), new combination Erythridula cruciformis (beamer, 1930b:443) (Erythroneura), new combination Erythridula cuneata (beamer, 1930b:433) (Erythroneura), new combination Erythridula cuneatoides (Hepner, 1977c:364) (Erythroneura), new combination Erythridula curtaega (Hepner, 1976d:313) (Erythroneura), new combination Erythridula davichi (Hepner, 1977a:248) (Erythroneura), new combination Erythridula decorata (Auten & Johnson, 1936a:63) (Erythroneura), new combination Erythridula dianae (Hepner, 1976a:205) (Erythroneura), new combination Erythridula diffisa (beamer, 1930b:434) (Erythroneura), new combination Erythridula divisa (McAtee, 1924c:37) (Erythroneura), new combination Erythridula dolosa (Beamer & Griffith, 1935a:19) (Erythroneura), new combination Erythridula dorisae (Hepner, 1976a:204) (Erythroneura), new combination Erythridula dowelli (beamer, 1932b:62) (Erythroneura), new combination Erythridula dunni (Hepner, 1976c:295) (Erythroneura), new combination Erythridula edgari (Hepner, 1976c:300) (Erythroneura), new combination Erythridula electa (McAtee, 1920a:282) (Erythroneura), new combination Erythridula eluta (McAtee, 1920a:277) (Erythroneura), new combination Erythridula enata (Knull, 1951c:179) (Erythroneura), new combination Erythridula enatoides (Hepner, 1977c:365) (Erythroneura), new combination Erythridula enfieldensis (Hepner, 1976b:126) (Erythroneura), new combination Erythridula extima (beamer, 1939a:29) (Erythroneura), new combination Erythridula extimoides (Hepner, 1976d:314) (Erythroneura), new combination Erythridula fagiphylla (Hepner, 1977a:254) (Erythroneura), new combination Erythridula falcata (beamer, 1930b:432) (Erythroneura), new combination Erythridula florida (Ross & deLong, 1953a:82) (Erythroneura), new combination Erythridula floridoides (Hepner, 1978a:133) (Erythroneura), new combination Erythridula fragilis (Johnson, 1935a:93) (Erythroneura), new combination Erythridula frazieri (Hepner, 1976a:210) (Erythroneura), new combination Erythridula freta (Knull, 1951c:179) (Erythroneura), new combination Erythridula fretoides (Hepner, 1977c:364) (Erythroneura), new combination Erythridula frisoni (Ross & deLong, 1953a:80) (Erythroneura), new combination Erythridula fultonae (Hepner, 1976d:314) (Erythroneura), new combination Erythridula fulvocephala (Robinson, 1924b:155) (Erythroneura), new combination Erythridula fumida (Gillette, 1898a:758) (Typhlocyba), new combination Erythridula funesta (beamer, 1930b:441) (Erythroneura), new combination Erythridula furcillata (beamer, 1930b:452) (Erythroneura), new combination Erythridula garretsoni (Hepner, 1976c:295) (Erythroneura), new combination Erythridula gladysae (Hepner, 1976d:315) (Erythroneura), new combination Erythridula gleditsia (beamer, 1930b:437) (Erythroneura), new combination Erythridula hamata (beamer, 1930b:446) (Erythroneura), new combination Erythridula hamiltoni (Hepner, 1977b:52) (Erythroneura), new combination Erythridula hamlinorum (Hepner, 1977c:362) (Erythroneura), new combination Erythridula harei (Hepner, 1977a:255) (Erythroneura), new combination Erythridula harpax (beamer, 1930b:432) (Erythroneura), new combination Erythridula harrisi (Hepner, 1976a:210) (Erythroneura), new combination Erythridula haspata (Ross & deLong, 1953a:85) (Erythroneura), new combination July 2006 129Review of the New World Genera of the Leafhopper Tribe Erythroneurini Erythridula herberti (Hepner, 1976d:312) (Erythroneura), new combination Erythridula hildae (Hepner, 1977c:362) (Erythroneura), new combination Erythridula hormchunae (Hepner, 1976b:120) (Erythroneura), new combination Erythridula idonea (beamer, 1935a:100) (Erythroneura), new combination Erythridula ilexae (Hepner, 1976d:315) (Erythroneura), new combination Erythridula ilicis (Ross, 1953b:189) (Erythroneura), new combination Erythridula inconspicua (Johnson, 1935a:90) (Erythroneura), new combination Erythridula infinita (beamer, 1930b:446) (Erythroneura), new combination Erythridula insigna (Beamer & Griffith, 1935a:17) (Erythroneura), new combination Erythridula intricata (Johnson, 1935a:86) (Erythroneura), new combination Erythridula isei (Hepner, 1977b:54) (Erythroneura), new combination Erythridula ivae (Hepner, 1976c:297) (Erythroneura), new combination Erythridula ivani (Hepner, 1976d:312) (Erythroneura), new combination Erythridula jeanae (Hepner, 1976a:205) (Erythroneura), new combination Erythridula joanneae (Hepner, 1978a:133) (Erythroneura), new combination Erythridula jocosa (beamer, 1935a:101) (Erythroneura), new combination Erythridula jonesi (Hepner, 1976c:294) (Erythroneura), new combination Erythridula juglandacea (Ross & deLong, 1953a:78) (Erythroneura), new combination Erythridula juglandis (Knull & Auten, 1938a:532) (Erythroneura), new combination Erythridula juncea (beamer, 1937a:10) (Erythroneura), new combination Erythridula kanensis (Hepner, 1976d:314) (Erythroneura), new combination Erythridula kanza (Robinson, 1924a:58) (Erythroneura), new combination Erythridula kennethi (Hepner, 1976c:298) (Erythroneura), new combination Erythridula kingstoniensis (Hepner, 1976b:124) (Erythroneura), new combination Erythridula lasteri (Hepner, 1977a:248) (Erythroneura), new combination Erythridula latapex (beamer, 1930b:447) (Erythroneura), new combination Erythridula lauriphylla (Hepner, 1978a:134) (Erythroneura), new combination Erythridula lawsoniana (baker, 1926a:347 n.nov.) (Erythroneura), new combination Erythridula leforsorum (Hepner, 1977c:360) (Erythroneura), new combination Erythridula lemnisca (McAtee, 1926c:131) (Erythroneura), new combination Erythridula leucophylla (Hepner, 1977b:55) (Erythroneura), new combination Erythridula lianae (Hepner, 1976b:125) (Erythroneura), new combination Erythridula lindleyi (Hepner, 1976a:207) (Erythroneura), new combination Erythridula lloydi (Hepner, 1977a:253) (Erythroneura), new combination Erythridula loisae (Hepner, 1978a:138) (Erythroneura), new combination Erythridula lucileae (Hepner, 1976c:299) (Erythroneura), new combination Erythridula lusoria (Van duzee, 1924a:234) (Erythroneura), new combination Erythridula lyratae (Ross & deLong, 1953a:83) (Erythroneura), new combination Erythridula lyratiphylla (Hepner, 1977b:55) (Erythroneura), new combination Erythridula magnacalx (beamer, 1930b:451) (Erythroneura), new combination Erythridula malleiformis (beamer, 1930b:449) (Erythroneura), new combination Erythridula mansueta (beamer, 1935a:98) (Erythroneura), new combination Erythridula martini (Hepner, 1976a:207) (Erythroneura), new combination Erythridula maryae (Hepner, 1976d:313) (Erythroneura), new combination Erythridula mccomasi (Hepner, 1978a:138) (Erythroneura), new combination Erythridula meridiana (Hepner, 1977b:53) (Erythroneura), new combination Erythridula merkli (Hepner, 1977a:253) (Erythroneura), new combination Erythridula minima (Johnson, 1935a:92) (Erythroneura), new combination Erythridula minuta (Johnson, 1935a:93) (Erythroneura), new combination Erythridula mitlini (Hepner, 1977a:250) (Erythroneura), new combination Erythridula modica (beamer, 1930b:448) (Erythroneura), new combination Erythridula morelandi (Hepner, 1976d:316) (Erythroneura), new combination Erythridula morrisi (Hepner, 1977a:251) (Erythroneura), new combination Erythridula nava (beamer, 1935a:102) (Erythroneura), new combination Vol. 37 Art. Eratoneura abjecta (beamer, 1931d:288) (Erythroneura), new combination Eratoneura acantha (Ross & deLong, 1950a:296) (Erythroneura), new combination Eratoneura accicurta (Hepner, 1966d:106) (Erythroneura), new combination Eratoneura accita (Knull, 1954b:170) (Erythroneura), new combination Vol. 37 Art.", "mime": "application/pdf"}, {"id": "inhs-122", "words": "22017", "extension": ".pdf", "flesch": "61", "author": "Ebinger, John E.; Phillippe, Loy R.; N\u00ffboer, Randy W.; McClain, William E.; Busmeyer, Daniel T.; Robinson, Kenneth R.; Levin, Geoffrey A.", "title": "Vegetation and Flora of the Sand Deposits of the Mississippi River Valley in Northwestern Illinois", "date": "2006", "keywords": "ambrosia; area; art; bulletin; bunch; canadensis; carex; communities; community; county; cover; cyperus; dichanthelium; ebinger; flora; forest; gleason; grasses; ground; history; i.v; illinois; illinois natural; illinois river; illinois sand; importance; litter; mean; michx; mississippi; mississippi river; mound; native; natural; nature; northwestern; nutt; plant; poa; prairie community; prairies; preserve; psilostachya; quercus; river; river sand; sand community; sand deposits; sand forest; sand prairie; sand savanna; savanna; schizachyrium; scoparium; sites; species; state; study; successional; survey; table; valley; value; vegetation; virginiana", "summary": "S354s Croton glandulosus L.: P27723s; P36218a; E31492t; E31837b Crotonopsis linearis Michs.: INAIa; E31493t; P28075s *Malva neglecta Wallr.: P28251s Menispermaceae Menispermum canadense L.: P27484s Molluginaceae *Mollugo verticillata L.: P27705s; P36219a; E31258t; E31687b Moraceae *Morus alba L.: P27285s; P36225a; E31259t *Morus tatarica L.: E31688b Vol. 37 Art.", "mime": "application/pdf"}, {"id": "inhs-123", "words": "19936", "extension": ".pdf", "flesch": "65", "author": "Levengood, Jeffrey M.; Sanderson, Glen C.; Anderson, William L.; Foley, George L.; Skowron, Loretta M.; Brown, Patrick W.; Seets, James W.", "title": "Acute Toxicity of Ingested Zinc Shot to Game-farm Mallards", "date": "1999", "keywords": "concentrations; days; ducks; et al; fe levels; fe shot; females; illinois; lesions; levels; liver; mallards; mean; natural; shot; study; table; weight; zinc; zn levels; zn shot; |ig", "summary": "Grandy et al. (1968) reported that 1 of 15 Zn-dosed ducks in their study had acid-fast inclusion bodies present in its renal tubular cells, and hepatic hemosiderosis, though noted in all ducks, was more pro- nounced in dosed ducks (including zinc, lead, nickel, tin, and steel) than in controls. Fe concentrations in pancreases and plasma (Day 15) were higher in Zn- than in Fe- dosed ducks, and erythrocyte Fe levels were higher in Zn-dosed ducks that survived to Day 30 than in those that died between Days 15 and 30.", "mime": "application/pdf"}, {"id": "inhs-124", "words": "15236", "extension": ".pdf", "flesch": "69", "author": "Redmer, Michael; Brown, Lauren E.; Brandon, Ronald A.", "title": "Natural History of the Bird-voiced Treefrog (Hyla avivoca) and Green Treefrog (Hyla cinerea) in Southern Illinois", "date": "1999", "keywords": "area; avivoca; brandon; cache; cinerea; county; creek; fish; green; h. avivoca; h. cinerea; history; hyla; illinois; lake; museum; natural; pond; river; route; siuc; southern; species; state; survey; swamp; tadpoles; treefrog; university; water", "summary": "Specimens were exam- ined from the Field Museum of Natural History (FMNH), Illinois Natural History Survey (INHS), Illinois State Museum (ISM), Illinois State University (ISU), University of Kansas Museum of Natural History (KU), Lauren E. Brown Frog Collection (LEB), Louisiana State University Museum of Natural Science (LSUMZ). 38 Illinois Natural History Sur\\ev Bulletin Vol. 36 Art.", "mime": "application/pdf"}, {"id": "inhs-125", "words": "50724", "extension": ".pdf", "flesch": "65", "author": "LaBerge, Wallace E.", "title": "Revision of the bees of the genus Tetraloniella in the New World (Hymenoptera: Apidae)", "date": "2001", "keywords": "apical; area; area punctures; basal; black; brown; clypeus; co.; cockerell; dark; dark brown; female; fig; hairs; half; hyaline; impunctate; lateral; length; medially; mesoscutum; metasomal; narrow; new; pale; punctures; red; reddish; segment; shiny; short; species; sterna; sternum; surface; terga; tergum; tetraloniella; white; width; wing; yellow", "summary": "E of Douglas); Benson (11 mi. W); Bisbee (10 and 12 mi. W); Bowie; Box Canyon (4 mi. W), Pima Co.; Bridgeport; Camp Verde (9 mi. SE and 13 mi. E), Yavapai Co.; Carrizo; Chiricahua (2 mi. S); Claypool; Cochise (2 mi. N); Congress (4 and 17 mi. SW); Douglas (and vicinity); Elfrida (9 mi. N); Florence Junction (3 mi. S); Geronimo (3 mi. W); Globe (27 mi. NE); Here- ford (5 mi. S); Hoteville (8 km. NW); Huachuca City (6 mi. NE); Huachuca Mts.; Kirkland Junction, Yavapai Co.; Madera Can- yon, Pima Co.; Nogales (and vicinity); Onion Saddle, Chiricahua Mts., Cochise Co.; Oracle; Palominas (Greenbush Draw); Parker Canyon Lake, Santa Cruz Co.; Payson; Patagonia; Pearce (2 mi. S); Pena Blanca, Santa Cruz Co.; Pinery Canyon, Chiricahua Mts., Cochise Co.; Portal (and vicinity); Prescott (4 mi. N); Rucker Canyon, Chiricahua Mts., Cochise Co.; San Xavier Mission; Sells (16 mi. W); Shumway; Sierra Vista (16 mi. SE); Skeleton Canyon (6 mi. Alice (10 and 22 mi. S); Alpine (10 mi. S); Austin, Travis Co.; Benham; Bexar Co.; Bloy Camp, Jeff Davis Co.; Brewster Co.; Brownsville; Brownwood; Carrizo Springs; Catarina; Coleman (18 km N); Cotula; Cullison; Davis Mts., Jeff Davis Co.; Dickens (9 mi. SE), Dickens Co.; Doss, Gillespie Co.; Eastland Co.; Edna; Fedor, Lee Co.; Fort Davis (and vicinity), Jeff Davis Co.; Garza Co.; Goldthwaite (15 mi. W), Mills Co.; Goliad Co.; Lake Theo, Briscoe Co.; Kingsville; Lub- bock; Marathon (1 mi. S); Marfa (8 mi. E); Morton; Pecos; Pine Springs (2 mi. NE), Culberson Co.; Rachal; Sabinal; San Antonio; San Manuel; Sarita (20 mi. S); Snyder (13 mi. E); Sonora; Southmost, Cameron Co.; Sweetwater; The Basin, Big Bend Nat.", "mime": "application/pdf"}, {"id": "inhs-126", "words": "28367", "extension": ".pdf", "flesch": "77", "author": "Laird, Christopher A.; Page, Lawrence M.", "title": "Non-native Fishes Inhabiting the Streams and Lakes of Illinois", "date": "1996", "keywords": "adults; age; bass; carp; dorsal; eggs; female; fin; fish; fishes; food; grass; history; illinois; lake; lake michigan; males; michigan; natural; populations; rainbow; range; rays; river; salmon; scales; smelt; soc; spawning; species; streams; survey; trans; trout; water; years", "summary": "Expansion Goldfish appear to be unable to compete with native Illinois fishes and became estab- lished only in severely disturbed areas of Illinois where native species have disappeared. It was distributed through- out Illinois by the time of Forbes and Richardson's (1908) survey of Illinois fishes and was described as abundant in all parts of the state by Smith (1979).", "mime": "application/pdf"}, {"id": "inhs-127", "words": "34752", "extension": ".pdf", "flesch": "63", "author": "Larimore, R. W.; Bayley, Peter B.", "title": "The Fishes of Champaign County, Illinois, During a Century of Alterations of a Prairie Ecosystem", "date": "1996", "keywords": "basin; bayley; bulletin; champaign county; county; darter; drainages; figure; fishes; forbes; fork; history; history survey; hunt; illinois; kas; kaskaskia; land; larimore; middle; natural; october; present; richardson; river; salt; samples; san; sangamon; shiner; smith; species; stations; streams; survey; survey bulletin; thompson; use; vol; water", "summary": "2 Much of the natural aquatic vegetation in Champaign County streams may have been eliminated early in the 20th century through dredging (Figure 4), pollution, and other human-induced alterations. Areas of Chronic Pollution Larimore and Smith (1963) discussed seven principal areas of chronic pollution (Figure 20) that had severely affected the distribution of Champaign County fishes (see distribution maps in Appendix 2).", "mime": "application/pdf"}, {"id": "inhs-128", "words": "18253", "extension": ".pdf", "flesch": "72", "author": "Sanderson, Glen C.; Anderson, William L.; Foley, George L.; Skowron, Loretta M.; Brawn, Jeffrey D.; Seets, James W.", "title": "Toxicity of Ingested Bismuth Alloy Shot in Game-farm Mallards: Acute Toxicity of Ingested Bismuth Alloy Shot in Game-farm Mallards", "date": "1997", "keywords": "bi shot; concentrations; day; difference; doses; ducks; fe shot; females; game; kidneys; mallards; mean; sexes; shot; table; weight", "summary": "Biliary excretion apparently determined the fecal excre- tion of Bi, but the percentage of dosed Bi excreted in the bile was independent of the amount dosed. No satisfactory alternative was found until 1990, when John E. Brown, St. Catherines, Ontario, was awarded a U.S. patent for Bi shot.", "mime": "application/pdf"}, {"id": "inhs-129", "words": "21105", "extension": ".pdf", "flesch": "75", "author": "Sanderson, Glen C.; Anderson, William L.; Foley, George L.; Duncan, Karen L.; Skowron, Loretta M.; Brawn, Jeffrey D.; Seets, James W.", "title": "Toxicity of Ingested Bismuth Alloy Shot in Game-farm Mallards: Chronic Health Effects and Effects on Reproduction", "date": "1997", "keywords": "bi shot; concentrations; day; days; ducks; eggs; farm; fe shot; females; game; gonads; kidneys; mean; shot; study; table", "summary": "All Fe-dosed ducks and all but one Bi- dosed duck survived until euthanized at the end of the study, whereas all Pb-dosed ducks died within 14 days after they were dosed. The mean concentrations of P in the liver were highest in 0-dosed (3,740 Ug/g) and Pb- dosed ducks (3,604 Ug/g) versus Fe-dosed (3,253 Ug/g) and Bi-dosed (3,306 Ug/g) ducks in our study.", "mime": "application/pdf"}, {"id": "inhs-130", "words": "23356", "extension": ".pdf", "flesch": "68", "author": "Sabaj, Mark H.; Cummings, Kevin S.; Page, Lawrence M.", "title": "Annotated Catalog of Type Specimens in the Illinois Natural History Survey Fish Collection", "date": "1997", "keywords": "ace; bulletin; burr; catalog; ceas; collection; county; creek; description; etheostoma; fishes; forbes; gilbert; history; holotype; illinois; illinois river; inhs; islnh; jordan; l.m; male; material; mayden; mm sl; museum; natural; nelson; new; north; notropis; page; paratopotypes; remarks; river; species; specimens; survey; tennessee; type; usnm", "summary": "Lectotype [INHS 37651 (78.4 mm SL)]; [Macki- naw River, Illinois River drainage] McLean County, Illinois; S.A. Forbes; [ISLNHacc.no. 26407]. Type Locality: Western Illinois including Illinois River Episema jejuna (= Notropis blennius) Oxygeneum pulverulentum ( = Campostoms anomalum x Phoxinus erythrogaster) Notropis phenacobius (=Hybopsis annus)", "mime": "application/pdf"}, {"id": "inhs-131", "words": "58615", "extension": ".pdf", "flesch": "76", "author": "Moran, Robbin C.", "title": "Monograph of the Neotropical Fern Genus Polybotrya (Dryopteridaceae)", "date": "1987", "keywords": "aau; abaxial; alfredii; anatomy; andes; apex; art; axes; baker; base; bolivia; botryoid; brade; brazil; brown; caudata; cells; central; cerro; colombia; costa; croat; dark; del; denticulate; ecuador; fee; ferns; fertile; fide; fig; filicum; forest; genera; genus; glabrous; grooves; hairs; history; hooker; illinois; lamina; lanceolate; leaf; leaves; linear; long; map; margins; monograph; moran; natural; near; november; oblong; occur; osmundacea; peru; petiole; pinnae; pinnatifid; pinnules; plants; polybotrya; polybotrya polybotrya; pubescent; qca; reddish; ri'o; rica; rio; road; s.n; san; scales; segments; smith; sori; soromanes; species; specimens; spores; stem; stem scales; sterile; subgenus; surface; survey; tab; tryon; type; veins; ven; venezuela; vol", "summary": "P. US); Colonia Tovar. It occurrs in wet, shaded, primary- forests from to 775 m. This species differs further from other Polybotrya species in southeastern Brazil by its stem scales that are dull brown with entire margins and the thickened and curved bases.", "mime": "application/pdf"}, {"id": "inhs-132", "words": "35056", "extension": ".pdf", "flesch": "68", "author": "Jones, Almut G.", "title": "Aster and Brachyactis in Illinois", "date": "1989", "keywords": "a.g; acute; apex; ascending; aster; attenuate; basal; base; branches; cauline; corollas; disk; florets; flowering; glabrous; gray; green; heads; high; illinois; jones; lanceolate; leaves; limb; linear; margins; new; oblong; peduncles; phyllaries; plants; portion; puberulent; purple; rays; series; sessile; short; slender; species; stem; surface; upper; var", "summary": "An. 2 Conspectus of Classification of Illinois Aster Species Aster L. subgenus Asier section Biotia DC. A. Gray], and S. riddellii Frank is probably the other parent species involved in the hybrid.", "mime": "application/pdf"}, {"id": "inhs-133", "words": "86078", "extension": ".pdf", "flesch": "64", "author": "Crane, J. L.; Shearer, C. A.", "title": "A Nomenclator of Leptosphaeria V. Cesati & G. de Notaris: (Mycota-Ascomycotina-Loculoascomycetes)", "date": "1991", "keywords": "^phaeria; a.n; accademia; achilleae l.; acori l.; agaves l.; aiha l.; alba l.; album l.; alpina l.; americana l.; anemones l.; annales; anno; arenaria l.; art; arvensis l.; ascospores; atti; auerswald; b.m; berkeley; berlese; berlin; biennis l.; botanico; botanique; botany; branches; britain; broome; bulletin; c.e; c.h; c.l; calamus l.; campestris l.; canada; canadensis l.; canadian; century; cesati; cespitosa l.; cihostii l.; circinans l.; cirsii l.; cognitorum; cognitorum digessit; commentarium; communis l.; compositae; coniformis l.; connection; cooke; corlicola l.; culms; de france; de notaris; della; depressa l.; desmazieres; digessit p.a; dioica l.; dracaenae l.; dresden; dulcamara l.; e.m; ellis; europaeus l.; everhart; ex l.; ex p.a; exsiccati; f. l.; f. v.; family; fascicle; fautrey; flora; france; fries; fries l.; fungi; fungorum; fungorum omnium; fungos; g. de; g.l; gaertner l.; germany; glyceriae l.; gramineae; gray l.; great; greene l.; grevillea; h.g; haematites l.; hedwigia; hendersoniae l.; hirta l.; history; hohnel; horn; host; host l.; hrachypodii l.; hucusque; hucusque cognitorum; illegit; illinois; italiana; italicos; italy; j.b; japonica l.; journal; kali l.; karsten; koch l.; kunth l.; l. (=; l. acuta; l. afinila; l. agminalis; l. agnita; l. alliariae; l. ammophilae; l. apios; l. aulica; l. avenae; l. californica; l. calvescens; l. caricis; l. carpophila; l. cesatiana; l. clara; l. clivensis; l. comatella; l. compressa; l. coniothyrium; l. conoidea; l. controversa; l. convallariae; l. culmicola; l. culmifraga; l. culmorum; l. derasa; l. dianthi; l. dolioloides; l. doliolum; l. drechsleri; l. dryadea; l. dumelorum; l. duplex; l. elymi; l. epicalamia; l. epilohii; l. eriophora; l. eryngii; l. eustoma; l. fuckel; l. fuscella; l. galiicola; l. galiorum; l. geographicola; l. hamhusae; l. hausmanniana; l. heliopsidis; l. hellynckii; l. helvetica; l. hiemalis; l. hippophaes; l. hollos; l. hollosiana; l. holm; l. hondari; l. insignis; l. korrae; l. l.; l. lasiosphaerioides; l. lathonia; l. lathyri; l. lecanora; l. leucoplaca; l. licatensis; l. linden; l. linearis; l. lonicerae; l. lycopodiicola; l. maculans; l. marina; l. massariella; l. melanommoides; l. melicae; l. michotii; l. microscopica; l. minima; l. mirandae; l. modesta; l. mume; l. nardi; l. narmari; l. nashi; l. niessleana; l. nisei; l. nodorum; l. ogilviensis; l. ohiones; l. oreophiloides; l. pampini; l. papulosa; l. parietariae; l. perpusilla; l. phyteumatis; l. pinnarum; l. planiuscula; l. pomona; l. pruni; l. quadriseptata; l. rabenhorst; l. recutita; l. rhizomatum; l. rhododendri; l. rhopalispora; l. rimalis; l. rivana; l. rostrata; l. rostrupii; l. rumicis; l. rusci; l. sahauda; l. salviae; l. sepincola; l. smilacis; l. sowerhyi; l. sparsa; l. stellariae; l. subsp; l. tanaceti; l. typharum; l. typhiseda; l. umhrosa; l. vagahunda; l. vagans; l. var; l. vincae; l. vitalhae; l. vitis; l. vouaux; l. wehmeyeri; l. zeae; latifolia l.; leaves; leguminosae; leptosphaeria; link l.; living; london; lutea l.; m.c; m.j; macrospora l.; major l.; makino l.; march; marilima l.; mayendorf; mays l.; media l.; michelia; miiller; miller l.; minor l.; mycologici; mycologique; n.o; natural; nees l.; new; niessl; nigrans l.; nom; non; notaris; nud; officinalis l.; officinarum l.; omnium hucusque; ottawa; p.a; palustris l.; paris; passerini; perforatum l.; petrak; pratensis l.; primis; purpurea l.; r.a; racemosa l.; rehm; revue; rosaceae; saccardo; saccardo additamenta; saccardo forma; saccardo var; saliva l.; sciences; series; shoemaker; sinensis l.; societa; source; species; spegazzini; spinosa l.; stems; substrate; survey; switzerland; sydowia; sydowiana l.; sylloge fungorum; sylvestris l.; symbolae; toulouse; typhae l.; u.s.a; u.s.s.r; umbelliferae; uppsala; vesicaria l.; vinifera l.; vol; vulgaris l.; winter; york", "summary": "L. HOLM(19.'i7) Leptosphaeria sensu L. Holm. 1957], =Phaeosphaeria eusloma (L. Fuckel) L. Holm, Symbolae Botanicae Upsalienses, Uppsala 14(3): 109. 1957.", "mime": "application/pdf"}, {"id": "inhs-134", "words": "66504", "extension": ".pdf", "flesch": "65", "author": "Page, Lawrence M.; Jeffords, Michael R.", "title": "Our Living Heritage: the Biological Resources of Illinois: Proceedings of a symposium in celebration of Earth Day 1990", "date": "1991", "keywords": "1989; academy; acres; agricultural; american; anderson; animals; april; areas; biodiversity; biological; bird species; birds; bulletin; burr; cave; central; chicago; class; communities; conservation; counties; county; data; distribution; diversity; division; drainage; ecology; endangered species; example; fauna; figure; fire; freshwater; graber; grassland; habitat; heritage; history; history survey; illinois; illinois agricultural; illinois biological; illinois caves; illinois department; illinois endangered; illinois environmental; illinois fishes; illinois forests; illinois natural; illinois portion; illinois prairies; illinois press; illinois river; illinois species; illinois state; illinois streams; illinois university; illinois waters; illinois wetlands; lake; landscape; list; living; loss; mammals; management; maple; mississippi; museum; mussels; native; natural history; nature; new; north; number; oak; ohio; order; organisms; pages; plants; pond; populations; prairie; present; presettlement; press; proceedings; protection; quality; rafinesque; records; resources; rice; science; service; sites; smith; society; soil; southern; southern illinois; species; state academy; states; study; sugar; surface; survey; survey bulletin; swamp; symposium; systems; table; time; total; transactions; trees; u.s; united; vegetation; vol; wetlands; white; wildlife; years", "summary": "The bibliography that concludes this appendix lists all publications that were used to create the list of native Illinois species and the table of extirpated species. In addition, early biologists like Ridgway and the St. Louis physician George Engelmann described the presettlement condition of Illinois forests in considerable detail.", "mime": "application/pdf"}, {"id": "inhs-135", "words": "22080", "extension": ".pdf", "flesch": "67", "author": "Huhndorf, Sabine M.", "title": "Systematics of Leptosphaeria Species Found on the Rosaceae", "date": "1992", "keywords": "apex; asci; ascocarp; ascocarp wall; ascospores; barr; base; brown; bulletin; cells; diameter; e.m; ellis; figure; fries; fuckel; fungi; fungorum; genus; high; history; holotype; hyaline; illinois; j.b; layers; leptosphaeria; longitudinal; material; median; natural; new; p.a; papilla; pseudoparaphyses; rosaceae; saccardo; section; septa; shoemaker; species; surface; survey; type; wall; |im", "summary": "L. miyakeana P.A. Saccardo, Sylloge Fungorum Omnium Hucusque Cognitorum Digessit P.A. Saccardo 24:999. L. vagahiinda P.A. Saccardo.", "mime": "application/pdf"}, {"id": "inhs-136", "words": "10305", "extension": ".pdf", "flesch": "78", "author": "Crane, J. L.; Tazik, Pamela P.", "title": "Catalog of Types of the Illinois Natural History Survey Mycological Collections (ILLS)", "date": "1992", "keywords": "boewe; botany; bulletin; c.a; cercospora; champaign; county; crane; culture; daniels; e.y; g.h; g.l; history; holotype; illinois; ills; isotype; j.d; j.l; johnson; journal; l.r; leaves; leg; mycologia; natural; p.a; paratype; phylloslicta; plant; schoknecht; shearer; smith; stout; survey; swamp; tehon; transactions; viii; wood; young", "summary": "Aristastoma concenlrica L.R. Tehon, Mycologia 25:249. 1933. Asrochylii hii;iini(lcihi E.Y. Daniels in L.R. Tehon and E.Y. Daniels, Mycologia 19:125. 1927.", "mime": "application/pdf"}, {"id": "inhs-137", "words": "48136", "extension": ".pdf", "flesch": "64", "author": "Pechuman, L. L.; Webb, Donald W.; Teskey, H. J.", "title": "The Diptera, or True Flies, of Illinois: I. Tabanidae", "date": "1983", "keywords": "abdomen; america; anal; anterior; april; area; assistant; bare; basal; basal cell; base; black; broad; brown; bulletin; cell; cell hyaline; chrysops; costal; county; crossband; dark; diptera; eastern; eyes; facets; female; fig; florida; frons; frontoclypeus; half; hind; history; hyaline; illinois; illinois adults; larvae; locality; longitudinal; male; margin; markings; median; narrow; natural; new; north; north america; pale; pechuman; ph.d; pubescence; segment; size; southern; species; specimens; spot; state; stripe; sublateral; survey; tabanidae; tabanus; teskey; thorax; triangle; type; vein; vol; webb; west; wing; yellow; yellowish", "summary": "Among Illinois Chrysops, upsilon is likely to be confused only with C. univittatus, which lacks pollen on the frontoclypeus; in cases where the pol- len is indistinct, the best character for separation is the color of the costal cell, which is paler than the crossband in upsilon. Frontal triangle denuded and shining; third antennal segment with rather long tooth; black species with heavily infuscated wings atratus atratus Frontal triangle poUinose, differs in at least one other character from the above 9 9.", "mime": "application/pdf"}, {"id": "inhs-139", "words": "100261", "extension": ".pdf", "flesch": "60", "author": "Godfrey, George L.; Bouseman, John K.; Robertson, Kenneth L.; Zewadski, Robert M.", "title": "125 years of biological research 1858-1983: a symposium", "date": "1985", "keywords": "1960; 1976; 1977; 1978; altitude; american; antenna; art; assistant; b.s; bass; beetles; behavior; biological; biology; bird; bulletin; c. r.; caterpillars; change; chemical; chemistry; cochran; control; crown; cucurbita; cucurbitaceae; cue; cues; d. e.; damage; data; ddt; development; diabroticina; direction; disease; drift; ecology; economic; effects; eggs; elm; embryos; entomology; environmental; et al; etheostoma; evolution; example; factors; feeding; female; field; fig; fish; flight; flmb; florida; food; forest; fungus; growth; heading; himelick; history; history survey; host; host plant; illinois; illinois natural; insecticides; insects; j. e.; journal; junior; laboratory; lake; largemouth; larvae; leaf; leaves; life; m.s; male; management; metcalf; method; natural; natural history; neely; new; nlmb; northern; number; page; percent; ph.d; plant; plant disease; plant species; population; present; r. a.; r. d.; r. e.; r. l.; r. w.; randia; research; residues; resistance; response; rosa; santa; sapling; science; scientist; season; september; smith; society; soil; spawning; species; speed; state; stress; stresses; studies; study; subspecies; survey; survey bulletin; survey plant; table; tahoe; technical; temperature; thrushes; time; titan; toxicity; track; tree species; trees; university; use; vehicle; vol; water; wildlife; wind; years", "summary": "Such stresses include herbivore injury, infections by disease agents, competition with other plant species, and a range of abiotic factors, among them temperature and moisture ex- tremes. Detailed knowledge of the kairo- mones present in plant species and varieties now affords a firm scientific basis for the application of the trap- crop principle.", "mime": "application/pdf"}, {"id": "inhs-140", "words": "35038", "extension": ".pdf", "flesch": "68", "author": "Page, Lawrence M.", "title": "The Crayfishes and Shrimps (Decapoda) of Illinois", "date": "1985", "keywords": "anteriorly; april; areola; assistant; august; black; brown; bulletin; cambarus; carapace; central; chela; county; crayfishes; creek; distribution; dorsal; drainage; eggs; elements; females; fig; form; genus; gonopod; history; hobbs; illinois; illinois collections; illinois species; lake; lateral; length; life; louisiana; m.s; march; margin; mississippi; natural; new; october; ohio; orconectes; ph.d; populations; present; procambarus; process; propinquus; river; rostrum; shrimps; southern; species; spines; streams; survey; table; tubercles; view; vol; water; young", "summary": "Statewide collections made for the present survey have added Cambarellus puer, P. viaeviridis, O. placidus, O. sta?}nardi, and Cambarus rusticiformis to the list of Illinois species. Illinois species are in the subgenera Girardiella (gracilis), Ort- niinuiicus (aculus and iiian'iridis).", "mime": "application/pdf"}, {"id": "inhs-141", "words": "21620", "extension": ".pdf", "flesch": "66", "author": "Bellrose, Frank Chapman; Paveglio, Fred L.; Steffeck, Donald W.", "title": "Waterfowl Populations and the Changing Environment of the Illinois River Valley", "date": "1979", "keywords": "abundance; area; assistant; bellrose; bottomland; bottomland lakes; bulletin; class; duck; fall; fig; food; history; illinois; illinois river; illinois valley; index; lake; low; marsh; moist; natural; peoria; percent; period; ph.d; plants; research; river valley; sedimentation; soil; soil plants; soil water; species; survey; table; water; water levels; waterfowl; wetland; wildlife; years", "summary": "Plants most typical of all classes of Illinois Valley lakes are river bidrush, American lotus, and marsh smartweed. Table 1.\u2014Surface areas of Illinois River valley lakes in relation to the degree of separation from the influence of the river, 1977.'", "mime": "application/pdf"}, {"id": "inhs-142", "words": "64797", "extension": ".pdf", "flesch": "63", "author": "Webb, Donald W.", "title": "Primary Insect Types in the Illinois Natural History Survey Collection, Exclusive of the Collembola and Thysanoptera", "date": "1980", "keywords": "104; 107; 115; 119; 124; 1897; 1903; 1911; 1936; acad; agapetus; allocapnia; alloperla; american; andrena; ann; aphis; arizona ross; art; ashmead; assistant; assutant; becker; bicolor; biol; blickle; bremus; brooklyn entomol; bull; bulletin; burks; burksi ross; carlinville; chimarra; chironomus; cornuta ross; cunningham; dampfi ross; davis; delong; diptera; dolerus; empoasca; empria; entomol; entomol soc; erythroneura; fla; florida ross; forbes; frisoni ross; gillette; girault; halictus; hamilton; hart; hepner; hist; history; holotype cr; holotype nymph; holotype o; holotype oerythroneura; hottes; hydropsyche; hydroptila; hylemyia; illini; illinoensis; illinois; indiana; insect; isoperla; july; kans; king; knight; lab; laberge; lectotype; lepidostoma; limnephilus; louis; macgillivray; macrophya; macrosiphum; malloch; mcatee; metcalf; milne; mohri ross; monophadnoides; moore; nat; natl; natural; nemoura; news; north; ohioj; orthocladius; pachynematus; polycentropus; prison; proc; pteronidea; publ; rep; research; rhyacophila; ricker; robertson; ross; sanderson; sci; ser; smithi ross; soc; stannardi ross; state entomol; state lab; state nat; studies; surv; survey; syntypes; tenthredo; thomas; trans; trichoptera; univ; vol; wash; webb; weed; wulp; y. entomol; yamamoto; zool", "summary": "Holotype O Empoasca tnaequiformis Cunningham & Ross 1965 Holotype O Empoasca spinuloides Cunningham & Ross. 1965", "mime": "application/pdf"}, {"id": "inhs-143", "words": "37890", "extension": ".pdf", "flesch": "63", "author": "Irwin, Michael E.; Lyneborg, Leif L.", "title": "The Genera of Nearctic Therevidae", "date": "1980", "keywords": "abdomen; aedeagus; america; anterior; apex; apodeme; appendages; assistant; black; california; cell; cerci; cole; combination; coquillett; distribution; dorsal; dorsum; epandrium; female; fig; frons; genera; genus; gonocoxites; head; history; illinois; irwin; krober; large; loew; long; lyneborg; male; margin; mexico; natural; new; north; parameral; ph.d; pile; psilocephala; sclerite; setae; short; slender; small; species; surface; tergite; thereva; therevidae; tomentum; type; ventral; view", "summary": "Female frons (Fig. 8) in most species has callus or calli that are large, shiny, black or at least subshiny medially Thereva Latreille (p. 216) 15. Scape (Fig. 6) distinctly longer and wider than first flagcllomcre. Frons of male at its narrow- est narrower than half width of anterior ocellus; frons of female at level of an- terior ocellus 2.2-2.5 X as wide as ocellar tubercle; male frons entirely tomentose, uniformly colored, and without pile; fe- male frons entirely tomentose, either uni- formly colored or upper part darker than lower part, or has a pair of dark, velvety spots; pile of female frons restricted to upper two-thirds and in most species short and sparse; head rather promi- nently protrudes anteriorly; a dull, dark- ened band crosses frons at antennal level, but facial and genal calH absent; lateral portion of face without pile ; genae have long pile; head 1.1-1.5X deeper than antennal length (Fig. 54 and 55) ; scape 0.8-1.2 X as long as flagellum, thickened in most species; flagellar style apical, stout, two segmented, with a small, ter- minal spine; palps one segmented.", "mime": "application/pdf"}, {"id": "inhs-145", "words": "13010", "extension": ".pdf", "flesch": "67", "author": "Bennett, George William; Adkins, H. Wickliffe; Childers, William F.", "title": "The Effects of Supplemental Feeding and Fall Drawdowns on the Largemouth Bass and Bluegills at Ridge Lake, Illinois", "date": "1973", "keywords": "assistant; average; bass; bennett; bluegills; catfish; condition; drawdowns; fall; feeding; fig; fishes; food; history; illinois; lake; natural; period; ph.d; population; program; ridge; ridge lake; survey; years", "summary": "24 p. INDEX B Biennial draining, 10 years of, 1 Bluegills, 1 condition under feeding-drawdown pro- gram, 17 fat condition in 1966, 1967 and 1968, 18 growth under feeding-drawndown pro- gram, 20 laboratory feeding of, 2 original stock in Ridge Lake, 1 population dynamics, 1963-1970, 10-11 reductions in numbers caused by draw- downs, 13-14 weight in 1970 census one-third of maxi- mum standing crop, 23 Channel catfish, 1 evidence of reproduction in Ridge Lake, 12-13 origin of 1969 stock, 3 population dynamics, 1963-1970, 12-13 stocking in 1969, 3 Condition index, 17 Controlled public fishing, 1 Cost of feeding fishes, 6, 23 D Draining census, 1 Drawdowns begun in 1951, 1 combined with supplemental feeding, 2 eflfects in 1951, 1952, 1953, 1954, 1955, 2 effects on bluegill sizes, 2 effects on largemouth bass, 10 extent of, 1, 2, 6, 24 five years of, 1 money-saving operation, 24 reduction in numbers of bluegills caused by, 6, 13-14 supplemented by seining, 25 surefire method of producing new year class of bass, 14 value in general fish management, 24 F.rir, Feeding amounts fed, 6, 23 composition of fish food, 3, 5 cost, 6, 23 effects on bluegills, 5-6 method, 5 program, 3, 5-6 times, 5 Feeding-drawdown program condition of bluegills under, 17-18 condition of largemouth bass under, 17 fishermen's opinions of, 22-23 growth of bass under, 19-20 growth of bluegills under, 20-21 Fishing effort range of, 1963-1969, 8 varies with quality of fishing, 8 Fish food as a supplement to natural diet, 23 Fish yields from angling, 1963-1969, 7-8 Food, pelleted, in relation to total weight of bluegills, 23 Foods available, 23-24 Fish population, concentration of during drawdowns, 2 Growth of bass and bluegills under various sys- tems of management, 20-22 of bluegills under f-d program, 20-22 of largemouth bass under f-d program, 19-21 H Hybrid sunfishes laboratory feeding of, 2 testing value of, 1 I Ictalurus punctatus (Rafinesque), 1 Index of condition definition of, 17 for bluegills, 17 for largemouth bass, 17 L Lake chubsuckers nriuinal stock in Ridse Lake, 1 28 Illinois Natural History Survey Bulletin Vol. 31, Art. On the basis of complete creel censuses in all years (except 1942, when the lake was closed to fishing) we were able to measure with some degree of cer- tainty the type of fish population the lake would support and the efl'ects of \\arious management efforts on that population.", "mime": "application/pdf"}, {"id": "inhs-146", "words": "27034", "extension": ".pdf", "flesch": "65", "author": "Sanderson, Glen C.; Nalbandov, A. V.", "title": "The Reproductive Cycle of the Raccoon in Illinois", "date": "1973", "keywords": "age; animals; assistant; birth; captive; cells; corpora; cycle; days; embryos; females; fig; history; illinois; july; lutea; months; ovaries; ovary; ovulation; ph.d; placental; present; raccoons; sanderson; scars; season; second; study; survey; time; tissue; uterine; uterus; wild; year; young", "summary": "Female raccoons will not ovulate and come into estrus so long as they are nurs- ing young. CAPTIVE RACCOONS For many phases of the study captive ij raccoons were kept in outdoor cages in I Urbana, 111.", "mime": "application/pdf"}, {"id": "inhs-147", "words": "12584", "extension": ".pdf", "flesch": "60", "author": "Labiski, Ronald F.; Anderson, William L.", "title": "Nutritional Responses of Pheasants to Corn, with Special Reference to High-Lysine Corn", "date": "1973", "keywords": "acid; adult; adult hens; assistant; birds; body; diets; fat; fatty; fed; fig; fmc; hen pheasants; hens; illinois; lysine corn; nutritional; percent; ph.d; pheasants; protein; table; utilization; week; weight; wildlife", "summary": "1.\u2014Mean change in body weight (g) by weekly periods among juvenile hen pheasants fed exclusive diets of FMC, of normal corn, or of lysine corn; the vertical lines transecting the means ore standard errors. The fat deposits from these adult hens, irrespective of the type of corn diet, were many times smaller than those reported in spring for confined hens fed a high-protein ration ad libitum (Breitenbach 1963:32) or for wild hens (Anderson 1972:461).", "mime": "application/pdf"}, {"id": "inhs-148", "words": "12990", "extension": ".pdf", "flesch": "68", "author": "Carter, J. Cedric; Carter, Lucille Rogers", "title": "An Urban Epiphytotic of Phloem Necrosis and Dutch Elm Disease, 1944-1972", "date": "1974", "keywords": "area; assistant; block; carter; champaign; dutch elm; elm disease; elm phloem; elm population; elms; illinois; number; percent; ph.d; phloem necrosis; population; spread; survey; symptoms; trees; urbana; wilt; year", "summary": "Catalog Department, Univer- t sity Library, University of Illinois, assisted in various aspects of the study reported here. (31556\u20143M\u20145-74) Frontispiece.\u2014These before and after pictures along the Broadwalk on the University of lllii i campus illustrate vividly how a cathedral-like archway of stately American elms can be destroyed qui( v and completely by phloem necrosis and Dutch elm disease. Dutch elm disease, caused by Cera- tocystis uhni ( Buism. )", "mime": "application/pdf"}, {"id": "inhs-149", "words": "23188", "extension": ".pdf", "flesch": "60", "author": "Vance, Thomas C.", "title": "Larvae of the Sericothripini (Thysanoptera: Thripidae), with Reference to Other Larvae of the Terebrantia, of Illinois", "date": "1974", "keywords": "annulations; antennae; areas; assistant; august; body; body setae; brown; bulletin; color; cuticle; dorsal; features; fig; genera; head; history; iii; illinois; lacking; larvae; larvae ii; length; microtrichia; natural; pairs; ph.d; present; pustules; rings; segment; sericothripini; sericothrips; setae; species; survey; table; thripidae; thrips; thysanoptera; vii", "summary": "Longer body setae (24-36 /j-m) about twice the length of shorter body setae ( 10-16 /jliyi ) . I, III, and most of IV, tibiae, and bases of femora generally light brown; segment II, apex of IV, and all of V-VII darker brown.", "mime": "application/pdf"}, {"id": "inhs-150", "words": "13992", "extension": ".pdf", "flesch": "61", "author": "Born, Gerald L.", "title": "Root Infection of Woody Hosts with Verticillium albo-atrum", "date": "1974", "keywords": "albo; ash; assistant; atrum; benomyl; control; days; fig; fungus; green; history; hosts; illinois; infection; leaves; m.s; microsclerotia; penetration; ph.d; plants; redbud; root; seedlings; soil; survey; verticillium; vessel; wilt; wound", "summary": "DISCUSSION AND CONCLUSIONS The periderm consists of the phello- derm, phellem, and phellogen which completely surrounds the vascular cyl- inder of woody plant roots. The present study initiated in 1970 and completed in 1972 deals with ( 1 ) the influence of root wounds and age of wounds on infection, (2) penetra- tion and de\\elopment of the fimgus in susceptible and resistant woody hosts, (3) analysis of the growth response of young tree seedlings after root infec- tion, (4) the influence of temperature and heat treating of soil on develop- ment of V. albo-atrum in excised roots, and (5) laboratory and greenhouse e\\'aluation of fungicides against V. albo-atrum.", "mime": "application/pdf"}, {"id": "inhs-151", "words": "26724", "extension": ".pdf", "flesch": "69", "author": "Webb, Donald W.; Penny, Norman D.; Marlin, John C.", "title": "The Mecoptera, or Scorpionflies, of Illinois", "date": "1975", "keywords": "abdomen; america; apex; assistant; band; basal; basally; bases; basistyles; bittacus; broad; brown; crossveins; dark; dark brown; distal; dististyles; elongate; female; fig; history; illinois; legs; length; lobes; male; mecoptera; north; pale; panorpa; parameres; ph.d; plate; reddish; short; species; spots; tergum; terminalia; type; view; wings; yellow", "summary": "In northern Illinois P. dubitans was collected on stinging wood nettle along Fig. In western Illinois B. strigosus was col- lected abundantly in short pasture grass in the shade of poplars (Populus sp. ).", "mime": "application/pdf"}, {"id": "inhs-152", "words": "26587", "extension": ".pdf", "flesch": "71", "author": "Sparks, Richard E.; Starrett, William C.", "title": "An Electrofishing Survey of the Illinois River, 1959-1974", "date": "1975", "keywords": "alton; assistant; bass; buffalo; carp; catfish; channel; chute; dresden1; electrofishing; fish; fished; grange; history; illinois; illinois river; island; lake; levels; marseilles; mile; minutes; natural; number; oxygen; peoria; ph.d; pool; r.2; river; rock; species; starrett; survey; table; water; waterway; white; year", "summary": "Some recent changes in Illinois River biology. At one time live fish also were shipped regu\u00ad larly to Boston and New York, and the Illinois River ranked as a major inland commercial fishery.", "mime": "application/pdf"}, {"id": "inhs-153", "words": "17521", "extension": ".pdf", "flesch": "56", "author": "Metcalf, Robert L.; Sanborn, James R.", "title": "Pesticides and Environmental Quality in Illinois", "date": "1975", "keywords": "alga; amounts; assistant; bulletin; degradation; dieldrin; ecosystem; environmental; fish; food; history; illinois; insecticide; m.s; materials; metcalf; model; model ecosystem; mosquito; natural; o o; organisms; percent; pesticides; ph.d; ppm; products; research; residues; snail; survey; table; total; use; values; water", "summary": "9 ID <U S J3 o o o o o oo o o o o o o o* o o o o o o o o o o 5 g <J cq o w S r 6 Aug., 1975 Metcalf & Sanborn: Pesticides and Environmental Quality 407 Qi CO -^ !> O o o o o (M O CO o o oo o oo o o o o o CO CQ U3 O U5 O CO C^_ tH tH O O O", "mime": "application/pdf"}, {"id": "inhs-154", "words": "14627", "extension": ".pdf", "flesch": "67", "author": "Burr, Brooks M.", "title": "The Bantam Sunfish, Lepomis Symmetricus: Systematics and Distribution, and Life History in Wolf Lake, Illinois", "date": "1977", "keywords": "arkansas; assistant; b.s; breeding; bulletin; county; distribution; females; fig; fishes; history; illinois; inhs; lake; lepomis; list; louisiana; m.s; mississippi; natural; ph.d; range; research; river; species; specimens; study; survey; symmetricus; technical; texas; wildlife; wolf", "summary": "SYSTEMATICS SYNONYMY Lepomis symmclricus Forbes Lepomis symmetricus McKay 1882: 88 (nometi nudum); Forbes in Jordan &: Gilbert 1883: 473-174 (original de- scription, Illinois River Locality Collection Date Remarks Wolf Lake, Union Co., 111. (INHS 75020, 75021) Pine Hills Swamp, Union Co.. 111. (INHS 17583) Illinois River, Tazewell Co., 111. (INHS 75006) Swamp, Haywood Co., Tenn. (UT 90.140)", "mime": "application/pdf"}, {"id": "inhs-155", "words": "25999", "extension": ".pdf", "flesch": "66", "author": "Bennett, George William; Adkins, H. Wickliffe; Childers, William F.", "title": "Largemouth Bass and Other Fishes in Ridge Lake, Illinois, 1941-1963", "date": "1969", "keywords": "bass; bennett; bluegills; catch; census; censuses; draining; drawdowns; fish; fishes; fishing; fry; hectare; history; illinois; largemouth bass; natural; numbers; percent; period; ph.d; population; ridge lake; survey; table; total; water; weight; years", "summary": "Dr. Witt and Dr. Durham studied the growth of Ridge Lake bass and bluegills from scale collections. In the nine draining censuses at Ridge Lake bass total numbers varied beUveen 1,500 and 6.000 and their total weights between 205 and 412 kg (Table 1).", "mime": "application/pdf"}, {"id": "inhs-156", "words": "43718", "extension": ".pdf", "flesch": "64", "author": "Buck, Homer; Thoits, Charles F.", "title": "Dynamics of One-Species Populations of Fishes in Ponds Subjected to Cropping and Additional Stocking", "date": "1970", "keywords": "acre; add; age; average; bass; capacity; carrying; census; condition; control pond; cropping; crops; data; delta; fish; fishes; food; growth; history; illinois; largemouth; mortalities; natural; numbers; october; percent; perch; pond; pond beta; populations; pounds; production; smallmouth; species; species populations; standing; stock pond; survey; table; total; unit; year", "summary": "Such extremes are not uncommon in small ponds having poorly buffered waters (Ruttner 1953). Known published records of standing crops per acre of single species fish popuh tions in small ponds.", "mime": "application/pdf"}, {"id": "inhs-157", "words": "24658", "extension": ".pdf", "flesch": "57", "author": "Bellrose, Frank Chapman; Crompton, Robert D.", "title": "Migrational Behavior of Mallards and Black Ducks as Determined from Banding", "date": "1970", "keywords": "area; band recoveries; banding; banding station; chautauqua; county; degree; deviation; direct; distribution; ducks; fig; grounds; history; illinois; lake; latitude; longitudinal; mallards; migration; miles; mississippi; percent; ph.d; recoveries; river; south; station; wildlife; wintering; years", "summary": "The only important geographic differ- ence between Illinois recoveries and those at Delta Marsh occurs in the re- gion of the Delta Marsh. The longitudinal distribution of black duck indirect recoveries on the basis of mean and standard deviation lines.", "mime": "application/pdf"}, {"id": "inhs-158", "words": "11290", "extension": ".pdf", "flesch": "63", "author": "Neely, Dan; Himelick, E. B.; Crowley, Webster R.", "title": "Fertilization of Established Trees: A Report of Field Studies", "date": "1970", "keywords": "application; arboretum; assistant; data; fertilization; fertilizer; fig; forest; growth; history; illinois; morton; natural; nitrogen; ph.d; plots; response; soil; species; surface; survey; table; technical; test; trees; wildlife", "summary": "REVIEW OF LITERATURE Application of mineral nutrients to soil to stimulate tree growth has been a subject of discussion by arborists for 40 years or more. During the first three growing seasons, while the trees were becoming established, tree growth was limited.", "mime": "application/pdf"}, {"id": "inhs-159", "words": "60187", "extension": ".pdf", "flesch": "70", "author": "Starrett, William Charles", "title": "A Survey of the Mussels (Unionacea) of the Illinois River: A Polluted Stream", "date": "1971", "keywords": "abundance; art; author; baker; bar; bulletin; calkins; collections; comm; commercial; danglade; distribution; fig; fmnh; forbes; grandis; havana; history; history survey; illinois river; ism; lake; lampsilis; lea; live; lower; miles; mississippi river; morrison; museum; museum records; mussel; mussel records; natural; osm; parmalee; peoria; peoria lake; period; pers; pollution; pool; quadrula; records; richardson; river mile; rock; section; shell; shell records; species; specimens; starrett; survey; survey bulletin; table; upper; usnm; water", "summary": "I appreciated receiving the museum rec- ords of Illinois River shells and the taxonomic suggestions given to me by Dr. Henry van der Schalie of the Uni- versity of Michigan Museum of Zoology. An additional 20 live mussels were picked up by hand in the Aux Sable River near its mouth at Illinois River mile 268.2 in the Marseilles navigation pool.", "mime": "application/pdf"}, {"id": "inhs-160", "words": "6092", "extension": ".pdf", "flesch": "56", "author": "Reinbold, Keturah A.; Kapoor, Inder P.; Childers, William F.; Bruce, Willis N.; Metcalf, Robert L.", "title": "Comparative Uptake and Biodegradability of DDT and Methoxychlor by Aquatic Organisms", "date": "1971", "keywords": "assistant; associate; daphnia; days; ddt; fig; fish; illinois; insecticide; methoxychlor; organisms; ph.d; ppm; sunfish; technical; tilapia; uptake; water", "summary": "Assistant Taxonomist RODERICK R. Irwin, Research Affiliate Bernice p. Sweeney, Junior Professional Scientist Section of Wildlife Research Glen C. Sanderson, Ph.D., Wildlife Specialist and Head Frank C. Bellrose, B.S., Wildlife Specialist RICHARD R. GRABER, Ph.D., Wildlife Specialist Harold C. Hanson, Ph.D., Wildlife Specialist William L. Anderson, M.A., Associate Wildlife Specialist W. W. Cochran, jr., B.S., Associate Wildlife Specialist William R. Edwards, M.S., Associate Wildlife Specialist Jack A. Ellis, M.S., Associate Wildlife Special- ist Ronald F. Labisky, Ph.D., Associate Wildlife Specialist Charles M. Nixon, M.S., Associate Wildlife Specialist Stanley L. Etter, M.S., Assistant Wildlife Spe- cialist ROBERT E. Greenberg, M.S., Assistant Wildlife Specialist G. Blair Joselyn, M.S., Assistant Wildlife Spe- cialist George B. Rose, Ph.D., Assistant Wildlife Spe- cialist David R. Vance, M.S., Assistant Wildlife Spe- cialist RONALD L. Westemeier, B.S., Assistant Wildlife Specialist RONALD E. DUZAN, Technical Assistant Norma J. Hubbard, Technical Assistant Mary Ann Kjos, Technical Assistant Helen C. Schultz, M.S., Technical Assistant Hilda Wiesenmeyer, Technical Assistant Eleanore Wilson, Technical Assistant Robert D. Crompton, Field Assistant James W. Seets, Laboratory Assistant Section of Administrative Services Robert O. Watson, B.S., Administrator and Head Supporting Services Wilma G. Dillman, Property Control and Trust Accounts ROBERT O. Ellis, Assistant for Operations Lloyd E. Huffman, Stockroom Manager J. William Lusk, Mailing and Distribution Melvin E. Schwartz, Financial Records James E. Sergent, Greenhouse Superintendent Publications and Public Relations Owen F. Glissendorf, M.S., Technical Editor ROBERT M. Zewadski, M.S., Associate Technical Editor Shirley MCClellan, Assistant Technical Edi- tor Richard M. Sheets, Technical Illustrator Wilmer D. Zehr, Technical Photographer Technical Library Doris F. Dodds, B.A., M.S.L.S., Technical Li- brarian Jean ICKES, B.A.. NATURAL HISTORY SURVEY DIVISION, Urbana, Illinois SCIENTIFIC AND TECHNICAL STAFF George Sprugel, Jr., Ph.D., Chief Alice P. Campbell, B.A., Secretary to the Chief Section of Economic Entomology VViLLiA.M H. Luckmann, Ph.D., Entomologist and Head Willis N. Bruce, Ph.D., Wayne L. Howe, Ph.D., Stevenson Moore, III, Extension Howard B. Petty, Ph.D., Entomologist Entomologist Ph.D., Entomologist, on Entomologist, Exten- Ph.D., Associate Bntomol-James E. Appleby, ogist Edward J. Armbrust^ Ph.D., Associate Ento- mologist Marcos Kogan, Ph.D., Associate Entomologist Joseph V. Maddox, Ph.D., Associate Entomol- ogist Ronald H. Meyer, Ph.D., Associate Entomol- ogist ROBERT D. Pausch, Ph.D., Associate Entomol- ogist Ralph E. Sechriest, Ph.D., Associate Entomol- ogist George L. Godfrey, Ph.D., Assistant Entomolo- gist Clarence E. White, B.S., Assistant Entomolo- gist Keun S. Park, M.S., Assistant Chemist SUE E. Watkins, Supervisory Assistant Roscoe Randell, Ph.D., Assistant Professor, Extension Donald E. Kuhlman, Ph.D., Instructor, Exten- sion Tim CooleYj M.A., Assistant Specialist, Exten- sion Jean G. Wilson, B.A., Supervisory Assista^it Martha P. Nichols, M.S., Research Assistant Keturah Reinbold, M.S., Research Assistant LOWELL Davis, Technical Assistant Nancy D. DeWitt, B.S., Technical Assistant Marcia Janes, B.S., Technical Assistant Lu-PiNG Kan, M.S., Technical Assistant Marie Monkman, M.S., Technical Assistant Stephen Roberts, B.S., Technical Assistant Douglas K. Sell, B.S., Technical Assistant JOHN T. Shaw, B.S., Technical Assistant Section of Botany and Plant Pathology J. CEDRic Carter, Ph.D., Plant Pathologist and Head Robert A. Evers, Ph.D., Botanist Junius L. Forsberg, Ph.D., Plant Pathologist Eugene B. Himelick, Ph.D., Plant Pathologist R. Dan Neely, Ph.D., Plant Pathologist D. F. Schoeneweiss, Ph.D., Associate Plant Pathologist J. Leland Crane, Ph.D., Assistant Mycologist Walter Hartstirn, Ph.D., Assistant Plant Pathologist Betty S. Nelson, Technical Assistant Gene E. Reid, Technical Assistant Section of Aquatic Biology George W. Bennett, Ph.D., Aquatic Biologist and Head D. Homer Buck, Ph.D., Aquatic Biologist R. Weldon Larimore, Ph.D., Aquatic Biologist William C. Starrett, Ph.D., Aquatic Biologist Robert C. Hiltibran, Ph.D., Biochemist William F. Childers, Ph.D., Associate Aquatic Biologist Donald F. Hansen, Ph.D., Associate Aquatic Biologist Richard J. Baur, M.S., Research Assistant Dennis L. Dooley, Technical Assistant Mary Frances Martin, Technical Assistant Robert F. Randall, Ph.D., Technical Assistant Kenneth R. Walker, Technical Assistant C. Russell rose.", "mime": "application/pdf"}, {"id": "inhs-161", "words": "17439", "extension": ".pdf", "flesch": "65", "author": "Perry, Robert S.", "title": "A Comparative Study of Two Components of the Poinsettia Root Rot Complex", "date": "1971", "keywords": "agar; assistant; basicola; chalaropsis; chlamydospores; colonies; colony; dark; disease; endoconidia; fig; fungi; fungus; growth; hyphae; illinois; isolate; light; media; ph.d; plant; poinsettias; root; rot; soil; technical; thielavioides; thielaviopsis", "summary": "Relation of soil pH to de- velopment of poinsettia root rots. An ad- vanced symptom of Thielaviopsis root rot is a longitudinal splitting of the stem near the ground line.", "mime": "application/pdf"}, {"id": "inhs-163", "words": "47123", "extension": ".pdf", "flesch": "74", "author": "Starrett, William C.; Fritz, Arnold W.", "title": "A Biological Investigation of the Fishes of Lake Chautauqua, Illinois", "date": "1965", "keywords": "1952; acre; age; anglers; assistant; average; bass; bigmouth; bluegills; buffalo; carp; catch; catfish; channel; collections; commercial; condition; crappies; data; drum; fall; fig; fish; fish population; fish removal; fishermen; fishes; fishing; growth; hauls; high; history; illinois; illinois river; inches; lake chautauqua; length; levels; minnow; natural; period; population; pounds; rates; removal; river; seine; shad; species; starrett; study; survey; table; water; water levels; white; year", "summary": "Growth Indices.\u2014To show year-to- year changes in growth patterns of Lake Chautauqua fish, we calculated growth indices for each of six species. The growth rates of Lake Chautauqua carp should per- haps be regarded as intermediate com- pared with the growth rates of carp in some other waters (Table 25; Fig.", "mime": "application/pdf"}, {"id": "inhs-164", "words": "22620", "extension": ".pdf", "flesch": "71", "author": "Hansen, Donald F.", "title": "Stocking and Sport Fishing at Lake Glendale (Illinois)", "date": "1966", "keywords": "acre; assistant; bass; bass fishing; bluegills; catch; census; fig; fish; fishermen; fishing; growth; hansen; harvest; history; illinois; inches; lake glendale; largemouth bass; length; natural; number; period; ph.d; ponds; population; pounds lake; season; species; stocking; survey; table; technical; water; year", "summary": "Lepomis macrochirus (see bluegill) M Management efforts (see also drawdown, min- nows as bait, extension of fishing seasons, and under largemouth bass), 138 Mark and recovery estimates of bass popula- tion, 117-120 Micropterus salmoides ( see largemouth bass ) Minnows as bass bait, 138 Opening day bass catch, 129-132 Overstocking as a cause of poor bass fishing, 140-142 compared with other southern Illinois lakes, 134-135 compared with Pounds Lake, 121-122, 125 compared with small ponds, 122, 127 Rotenone applications of in population censusing, 11.3-115 tolerance of bv fishes during cold weather, 11.5-116 Silt deposits depth, 107 effect of on recovery of fish killed with rotenone, 116 Standing crop of fish, 14.5-148, 151 compared with neighboring ponds, 146-148 in relation to water area, 147 Stocked fish in anglers' catch ( see also harvest of original stocks under individual species), 122-123, 127, 133-136 Stocking at Lake Glendale (see also under in- dividual fish species), 109-111 contamination of, 109-110 effect of on fishing, 121, 127, 13.5-136, 1.50- 151 procedures, 109-111 Stunting ( and die-off ) in new bass broods, 140-143 T Temperature of water effect of on recovery of fish killed \\\\ith rotenone, 11.5-116 thermal stratification described, 107 Test fishermen catch of large bass by, 133 size distribution of fish caught by, 131, 136 Transparency of water, 107 Plant growths (large aquatic), 107, 109 Population censusing difficulties in censusing small fingerlings, 116-117 methods used, 112-113, 117-120 problems of recovering dead fish, 115-116 results, ) 4.5-148 Pounds Lake creel census methods, 121 description, 120 fisliing quality, 12.5 length observations, bluegills, 144 length observations, largemouth bass, 143 stocking and contamination of stocking, 120-121 study procedures, 120-121 Q Quality of fishing ( catch or harvest rate ) at Lake Glendale, 121-137 after lighter and heavier stockings, 121-122 Vulnerability to capture (differences among Lake Glendale fishes), 1.30-1.32, 1.37 W Warmouth ( in Lake Glendale ) harvest, 12,3-124, 137, 146 harvest compared with bluegill, 123-124, 137 harvest trends, 137 harvest on various baits, 137 introduction of, 109-110 Weights of fish harvested bluegills (average), 135 largemouth bass (average), 1.30, 132-133 ratio of bass (total weight) to bluegills, 121 yearly totals, 124 Yield of fish (see also harvest entries under individual species), 121-124 Some Publications of the ILLINOIS NATURAL HISTORY SURVEY BULLETIN Volume 27, Article 4.\u2014Food Habits of Migra- tory Ducks in Illinois. Bass fishing at Lake Glendale showed great impro\\'ement in the second summer after the 1946 stocking, but the improvement did not hold up.", "mime": "application/pdf"}, {"id": "inhs-165", "words": "19218", "extension": ".pdf", "flesch": "64", "author": "Childers, William Franklin", "title": "Hybridization of Four Species of Sunfishes (Centrarchidae)", "date": "1967", "keywords": "assistant; bluegill; childers; ear; ear sunfish; eggs; experiments; fi hybrids; fry; green; history; hybridization; hybrids; illinois; kinds; males; natural; number; parent; percent; ph.d; ponds; red; september; sex; species; sperm; sunfish; sunfishes; survey; temperature; time; warmouth; water", "summary": "Matings between individuals of different species are des- ignated as P, crosses, and the resultant hybrids are designated as Fi hybrids. Fi hybrids were stocked in May, 1961.", "mime": "application/pdf"}, {"id": "inhs-166", "words": "167484", "extension": ".pdf", "flesch": "67", "author": "Stannard, Lewis Judson", "title": "The Thrips, or Thysanoptera, of Illinois", "date": "1968", "keywords": "abdomen; abdominal; abdominal tergites; absent; accessory setae; america; antennae; anterior; anteromarginal; apex; apterous; area; art; august; basal; base; blunt; body setae; brown; bulletin; champaign; characteristics; cheek setae; cheeks; cilia; color; color brown; comb; cone; counties; county; dark brown; designation; dorsal setae; elongate; entomological; epimeral; eyes; female; fig; florida; following; fore; fore femora; fore legs; fore tarsi; fore tibiae; fore vein; fore wings; forest; form; fringe; general; genus; gray; half; haplothrips; head; head setae; hind; history; hood; illinois; illinois records; illinois species; key; lake; leaves; length; light; like; localities; locality; macropterous; macropterous).\u2014length; major; males; margin; maxillary; median; metanotum; metathoracic setae; microsetae; middle; mouth; natural; new; north; ocelli; outer; pair; pale; palps; pedicel; pelta; pigment; posterior; postocular; present; priesner; prothoracic setae; prothorax; red; reticulate; ross; segment iii; segment viii; segments; segments iv; sense; sericothrips; setae; setae brown; setae ii; setae minute; sides; size; slender; smooth; society; southern; species; specimens; stannard; state; sternites; sternites iii; stout; striate; structure; stylets; subintegumental; surface; survey; sutures; tarsi; tergite; tergite ii; tergite viii; terminal; thrips; thysanoptera; tibiae; tooth; transverse; tube; type; typespecies; uzel; vein; viii; vol; watson; white; wide; wing setae; yellow; yellowish brown; york", "summary": "Abdominal setae, dorsally and ven- trally, less numerous on the terminal segments. Lateral abdominal setae becoming progressively longer on each segment from II to IX, only lateral setae on \\I;iv. 1968", "mime": "application/pdf"}, {"id": "inhs-167", "words": "126238", "extension": ".pdf", "flesch": "67", "author": "Smith, Philip Wayne", "title": "The Amphibians and Reptiles of Illinois", "date": "1961", "keywords": "1892; adult; ambystoma; amphibians; areas; art; average; black; blotches; body; brown; bulletin; cagle; cahn; carapace; carolina; caudals; cent; central; chicago; circles; cope; counties; county; county specimens; dark; diagnosis.\u2014a; dorsal; eastern; eggs; family; female; fig; figures; frog; garman; genus; gray; green; groundcolor; hatching; head; history; hyla; illinois; illinois amphibians; illinois county; illinois distribution.\u2014the; illinois localities; illinois natrix; illinois populations; illinois reptiles; illinois river; illinois series; illinois specimens; illinois subspecies; individuals; lake; lampropeltis; length; light; linnaeus; localities; locality; lower; males; map; mississippi; natrix; natural; necker; nee; new; north; northern; november; number; occurs; open; parentheses; pattern; plastron; prairie; present; rana; range; records; red; reptiles; rows; salamander; scale; schmidt; sci; series; sipedon; size; smith; snake; snout; southern; species; spots; state; stripe; study; subspecies; supralabials; survey; table; tail; tail length; total; turtle; type; union county; united; variation; vent; vent length; venter; ventrals; vol; water; western; white; yarrow; yellow; young", "summary": "Illinois Distribution.-\u2014-The Illinois mud turtle is known to occur in the sand area along the Illinois River from Morgan to Peoria counties and in Whiteside and Hen- derson counties, fig. Accordingly, it seems advisable to delete this species from the list of Illinois snakes.", "mime": "application/pdf"}, {"id": "inhs-168", "words": "34400", "extension": ".pdf", "flesch": "63", "author": "Larimore, R. Weldon; Smith, Philip Wayne", "title": "The Fishes of Champaign County, Illinois, as Affected by 60 Years of Stream Changes", "date": "1963", "keywords": "area; average; branch; champaign county; changes; circle; collecting; county; county fishes; creek; distribution; drainages; embarrass; etheostoma; fig; fish; fishes; forbes; fork; habitats; history; hunt; illinois; kaskaskia; larimore; middle; miles; natural; notropis; number; pollution; richardson; river; salt fork; sangamon; size; smith; species; station; stream; survey; table; thompson; water; west", "summary": "Much of the natural aquatic vegetation in Champaign County streams may have been eliminated early in this century through dredging, pollution, and other man-induced alterations. Champaign County streams are en- riched by minerals leached from the soils of the drainage area, by fertilizers added to soils for increased crop production, by wastes from livestock, and by domestic sewage.", "mime": "application/pdf"}, {"id": "inhs-169", "words": "75325", "extension": ".pdf", "flesch": "67", "author": "Graber, Richard R.; Graber, Jean W.", "title": "A Comparative Study of Bird Populations in Illinois, 1906-1909 and 1956-1958", "date": "1963", "keywords": "acreage; acres; areas; avifauna; bird populations; bird species; birds; breeding; census; census years; censuses; central; clover; common; corn; data; density; fallow; fallow fields; fields; forest; forest species; graber; habitat; hay; illinois; illinois birds; lark; northern; number; orchard; pasture; population; population densities; red; shrubs; small; southern; southern zone; sparrow; sparrow population; species; state population; strip; summer; summer bird; summer habitats; summer population; table; wheat; winter; winter bird; winter habitats; winter population; years; zone; zone population; zone species", "summary": "The high variability shown in our win- ter census data appeared to be more a characteristic of winter bird populations than a defect of the census method. In the various types of cornfields, in all census years, winter bird populations tended to be most dense and most varied in the southern zone of the state, least dense and least varied in the northern zone, tables 44 and 45.", "mime": "application/pdf"}, {"id": "inhs-170", "words": "38750", "extension": ".pdf", "flesch": "68", "author": "Larimore, R. Weldon", "title": "Ecological Life History of the Warmouth (Centrarchidae)", "date": "1957", "keywords": "assistant; august; average; bass; body; cent; eggs; female; fig; fish; food; groups; growth; history; illinois; inches; june; lake; largemouth; larimore; length; life; male; natural; nest; number; park pond; percentage; ph.d; pond; pond warmouths; population; season; size; spawning; species; stomachs; summer; survey; table; total; venard; volume; warmouth stomachs; warmouths; water; weight; year", "summary": "Ovaries for which estimates of num- bers of eggs were made\u201438 ovaries from Park Pond and 10 from Venard Lake \u2014 had been divided into four groups: those taken from Park Pond warmouths in ( 1 ) January and March, (2) April, May, and June, (3) July and August, and (4) those taken from Venard Lake warmouths. Gastropods (snails) and ostracods were found in higher percentages of Venard Lake warmouth stomachs in the fall than at other seasons.", "mime": "application/pdf"}, {"id": "inhs-171", "words": "96830", "extension": ".pdf", "flesch": "67", "author": "Mills, Harlow B.; Decker, George C.; Ross, Herbert H.; Carter, J. Cedric; Bennett, George William; Scott, Thomas G.; Ayars, James S.; Warrick, Ruth R.; East, Bessie B.", "title": "A Century of Biological Research", "date": "1958", "keywords": "american; aquatic; area; assistant; bass; biology; birds; botany; bui; bulletin; cent; charles; collection; control; corn; county; crops; december; development; diseases; education; entomology; faunistic; field; fish; following; food; forbes; forest; fruit; fungi; future; game; groups; history society; history survey; iii; illinois department; illinois fishes; illinois general; illinois natural; illinois plants; illinois river; illinois species; illinois state; illinois university; insects; interest; knowledge; lake; large; library; management; material; members; natural history; new; north; notes; number; oak; papers; period; pests; ph.d; plant; populations; prairie; present; problems; program; publications; report; research; science; scientific; season; section; southern; species; specimens; staff; state entomologist; state laboratory; states; studies; study; survey bulletin; tehon; thomas; time; trans; trees; united; university; urbana; use; vol; walsh; water; wildlife; william; work; years", "summary": "At the end of the Civil War, the Presi- dent of the young Illinois State Horticul- tural Society, John P. Reynolds, spoke \\igorously on the subject at the December 19, 1865, meeting of the Society at Nor- mal. Former Technical Employees Illinois Natural History Society, Illinois State Entomologist's Office, Illinois State Museum of Natural History, Illinois State Laboratory of Natural History, Illinois Natural History Survey BESSIE B. EAST POLLOWING is a partial list of for- -- mer employees of the Illinois Natural History Society (1858-1871), Illinois State Entomologist's Office (1867-1917), Illinois State Museum of Natural His- tory (1871-1877), Illinois State Labora- tory of Natural History (1877-1917), and Illinois Natural History Survey (since 1917).", "mime": "application/pdf"}, {"id": "inhs-172", "words": "25158", "extension": ".pdf", "flesch": "66", "author": "Bellrose, Frank C.", "title": "Lead Poisoning as a Mortality Factor in Waterfowl Populations", "date": "1959", "keywords": "areas; assistant; bellrose; birds; cent; data; die; ducks; flyway; gizzards; history; hunters; hunting; illinois; incidence; lake; lead; lead poisoning; lead shot; letter; losses; mallards; mortality; natural; north; number; offs; period; ph.d; shot pellets; species; survey; table; waterfowl; wildlife; winter", "summary": "3 ingested lead shot among waterfowl popu- lations in fall and early winter, and (3) appraisal of waterfowl losses resulting from the ingestion of various quantities of lead shot per bird. However, the sources of material and data related to the occurrence of lead shot in waterfowl gizzards have been so numerous as to make such acknowledgment cumbersome.", "mime": "application/pdf"}, {"id": "inhs-173", "words": "19776", "extension": ".pdf", "flesch": "63", "author": "Anderson, Harry G.", "title": "Food Habits of Migratory Ducks in Illinois", "date": "1959", "keywords": "animal; animal foods; assistant; beetles; cent; contents; duck gizzards; ducks; food; gizzards; grass; habits; history; illinois; illinois river; material; millet; natural; number; occurrence; ph.d; plant; plant contents; plant foods; pondweed; river; seeds; smartweed; species; study; survey; t t; table; teal; total; volume; water", "summary": "Plant material in the gizzards of ring-necked ducks increased from 64.10 per cent of organic contents in 1938 to 75.20 per cent in 1939, paralleling the in- crease in duck food plants in Illinois River valley lakes (Bellrose 1941:249-53). However, this shrub is less undesirable in a waterfowl habitat than lotus or river bulrush, which have lit- tle value as duck food plants.", "mime": "application/pdf"}, {"id": "inhs-174", "words": "19392", "extension": ".pdf", "flesch": "72", "author": "Hansen, Donald F.; Bennett, George W.; Webb, Robert J.; Lewis, John M.", "title": "Hook-and-Line Catch in Fertilized and Unfertilized Ponds", "date": "1960", "keywords": "acre; assistant; bass; bluegills; boaz; catch; control ponds; dixon; fertilization; fertilized; fish; fishing; history; hook; hooker; illinois; inches; lauderdale; line; natural; number; ph.d; phelps; ponds; rates; springs; survey; table; wells; years", "summary": "Little has been said in the literature of pond fertilization, however, concerning the extent of the benefits to pond fishing that may be derived from watershed treatment. The bass of 10 inches or longer taken by the test anglers from fertilized ponds, table 9, were smaller on an average than those from the control ponds, table 10; those from the three fertilized ponds averaged 11.5, 10.5, and 10.8 inches; those from the three control ponds averaged 11.6, 11.2, and 11.3 inches.", "mime": "application/pdf"}, {"id": "inhs-175", "words": "42735", "extension": ".pdf", "flesch": "66", "author": "Bellrose, Frank C.; Scott, Thomas G.; Hawkins, Arthur S.; Low, Jessop B.", "title": "Sex Ratios and Age Ratios in North American Ducks", "date": "1961", "keywords": "adult; adult drakes; age ratios; areas; art; assistant; august; bagged; bags; bellrose; birds; breeding; breeding grounds; bulletin; cent; conditions; data; differences; drakes; ducks; fig; fish; flyway; grounds; hens; history; hunters; hunting; illinois; juveniles; mallard; mallard drakes; manitoba; migration; mississippi; mortality; natural; nesting; north; number; period; ph.d; pintail; population; production; river; saskatchewan; season; serv; sex ratios; species; spring; study; survey; table; teal; waterfowl; wildlife; year", "summary": "An average annual mortality rate for adult drake mallards in the Mississippi Flvway of about 40 per cent has been derived from band recoverj'^ data for drake mallards banded as adults at Lake Chautauqua, Mason CountA% Illinois, 1939-1944 (Bellrose & Chase 1950:9). The hens of diving ducks engage in less renesting activity than do the hens of dabbling ducks, and some observers feel that diving duck drakes tend to be more persistent in remaining with nesting hens than do the drakes of dabbling ducks.", "mime": "application/pdf"}, {"id": "inhs-176", "words": "121692", "extension": ".pdf", "flesch": "72", "author": "Burks, B. D.", "title": "The Mayflies, or Ephemeroptera, of Illinois", "date": "1953", "keywords": "abdomen; abdomen brown; abdominal; adult; anterior; apex; apexes; area; articulations brown; baetis; basal; base; black; body; brown; brown shading; burks; caudal; caudal filaments; chestnut brown; color; compound; costal; crossveins; dark brown; dorsal; dorsum; dots; ephemerella; eyes; family; femur; fig; figs; filaments; forceps; fore femur; fore leg; fore tibia; fore wing; genitalia; genus; gills; gray; head; head brown; hind wing; history; hyaline; illinois; july; june; lateral; legs; light brown; lobes; long; male; male.\u2014length; margin; markings; mature; mayflies; mcdunnough; median; meson; middle; mohr; new; nymphs; outer; pair; pale; penis; posterior; present; red; river; rock; second; segment; shaded; single; slender; small; species; specimens; spines; spots; stenonema; sternites; tan; tarsal; tarsus; tergites; thorax brown; veins; ventral; walsh; white; wing base; wing brown; wing margin; wings; yellow", "summary": "Male.\u2014Length of body and of fore wing First abdominal segment tan, segments 2-6 6 mm. Thorax yellow, with dark brown, longitudinal stripe on each pleuron above coxae; legs light yellow, fore femur lightly shaded with tan ; wings with crossveins in costal and subcostal interspaces surrounded by dark brown clouds, other crossveins in fore wing dark brown, veins white or a faint yellow.", "mime": "application/pdf"}, {"id": "inhs-177", "words": "29575", "extension": ".pdf", "flesch": "69", "author": "Bennett, George W.", "title": "Largemouth Bass in Ridge Lake, Coles County, Illinois", "date": "1954", "keywords": "acre; assistant; bass; bass fishing; bass fry; bass population; bass spawn; bluegills; catch; census; draining; feet; fish; fishing; illinois; inches; june; lake basin; largemouth bass; length; natural; number; period; population; pounds; rate; ridge lake; season; table; time; water; year", "summary": "Table 9.\u2014Estimates of numbers of largemouth bass fry to reach schooling stage in years in which Ridge Lake fish population was culled of small yearling fish (fish spawned the previous year) in spring draining censuses, and similar estimates in years in which no draining censuses were made and many small yearling fish were present. Interesting points suggested by the up- per division of table 17 are that in most years the poorest weeks of bass fishing occurred during middle or late July or middle or late August.", "mime": "application/pdf"}, {"id": "inhs-178", "words": "19097", "extension": ".pdf", "flesch": "73", "author": "Curl, E. A.", "title": "Natural Availability of Oak Wilt Inocula", "date": "1955", "keywords": "1952; areas; assistant; bark; cent; class; conidia; degrees; endoconidiophora; fagacearum; fig; fungus; germination; growth; illinois; june; mats; mycelial; natural; number; oak; oak wilt; pad; ph.d; spores; study; time; trees; wilt; wilt fungus; wood", "summary": "B. Bark beetle (Scolytidae) and freshly made hole in fungus mat. C. and D. Holes made through perithecium- bearing mat and pad on wood and bark by adults of the Scolytidae. The time required for fungus mats on trees to progress from an immature stage to a deteriorated condition varied accord- ing to the season in which the mats first appeared.", "mime": "application/pdf"}, {"id": "inhs-1780", "words": "2537", "extension": ".pdf", "flesch": "53", "author": "Solomon, Levi Eric; James Lamer; David Weyers; Kristopher Maxson; Travis Kueter; Eric Hine; Andrew Glen; Eric Gittinger; Steve DeLain; Christopher Dawald; Andrew Bartels; Brian Ickes", "title": "Long Term Resource Monitoring (LTRM) electrofishing techniques:\u00a0 An addendum to the methods outlined in Ratcliff et al. (2014)", "date": "2025", "keywords": "boat; electrofishing; illinois; ltrm; pilot; wing", "summary": "The spectrum of habitats and environmental conditions under which LTRM conducts sampling operations requires that LTRM boat pilots use best professional judgement and common sense on a regular basis. Ear protection should be worn by the boat pilot due to their proximity to generators mounted in electrofishing boats, and polarized sunglasses are recommended for dippers to reduce any potential glare from the sun off the surface of the water.", "mime": "application/pdf"}, {"id": "inhs-179", "words": "17586", "extension": ".pdf", "flesch": "75", "author": "Starrett, William C.; Barnickol, Paul G.", "title": "Efficiency and Selectivity of Commercial Fishing Devices Used on the Mississippi River", "date": "1955", "keywords": "cent; commercial; fish; fishes; fishing; hoop nets; illinois; inch; inch mesh; mesh; mesh nets; mesh wing; mississippi; mississippi river; net; nets; number; river; section; sport; survey; table; trammel net; wing nets", "summary": "150, or 200 yards (mesh 1 inch), depth 10 feet Hoop nets (mesh 1 inch, hoop diam- eters 3V2 or 4 feet; mesh 21/4 inches, hoop diameters 4 or 41/2 feet ; mesh 3 inches, hoop diameters 4 or 41/2 feet) Wing nets with and without leads (mesh 1 inch, hoop diameters 2yo to 4^/2 feet ; mesh 1 V2 inches, hoop diameter 3 feet; mesh 2V^ inches, hoop diameters 31/^ and 4y2 feet) Trap nets (mesh lYi inches) The hoop diameters of wing nets and hoop nets were not con- sidered in this study, and catches made in these nets were not separated on the basis of hoop size.", "mime": "application/pdf"}, {"id": "inhs-180", "words": "35800", "extension": ".pdf", "flesch": "77", "author": "Evers, Robert A.", "title": "Hill Prairies of Illinois", "date": "1955", "keywords": "+ +; andropogon; area; art; august; bluff; bouteloua; bulletin; cave; common; county; coves; creek; creek prairie; dominant; evers; facing; fig; forest; fountain; grass; hill prairie; history; illinois; illinois hill; ledges; loess hill; loess prairie; loess slopes; milacre; mississippi; natural; north; number; pastured; ph.d; phegley; phegley hill; phegley prairie; plant; prairie slopes; prairies; ridge; river; rock prairie; sampson prairie; scoparius; section; sites; small; south; southwest; species; spurs; square; survey; vegetation; vol; woods", "summary": "Neither Steiger's procedure nor the one followed by Korstian & Coile seemed adequate for Illinois hill prairies. Presence, a synthetic character of vegetation, and seasonal aspect, also synthetic in that it was described from observations made on most of the stands of Illinois hill prairies, are here briefly presented.", "mime": "application/pdf"}, {"id": "inhs-181", "words": "18644", "extension": ".pdf", "flesch": "69", "author": "Forsberg, Junius L.", "title": "Fusarium Disease of Gladiolus: its Causal Agent", "date": "1955", "keywords": "agar; assistant; basal; basal rot; brown; corms; disease; form; fusarium; fusarium disease; gladiolus; growth; history; illinois; isolates; natural; new; ph.d; plants; rot; rot isolates; septate; species; survey; symptoms; table; tests; varieties; vascular", "summary": "Magie (1950) re- ferred to the causal agent of Fusarium yel- lows and Fusarium corm rot as /'. McClellan recog- nized, however, that there are differences of opinion among those who have worked with Fusarium disease of gladiolus as to whether the two types are distinct dis- eases or merely forms of the same disease.", "mime": "application/pdf"}, {"id": "inhs-182", "words": "10867", "extension": ".pdf", "flesch": "67", "author": "Bruce, Willis N.", "title": "Characteristics of Residual Insecticides Toxic to the House Fly", "date": "1949", "keywords": "assistant; cent; chlordan; crystals; ddt; deposits; experiment; exposure; flies; fly; glass; history; house; illinois; insecticides; natural; panels; ph.d; surfaces; survey; table; toxicity; wood", "summary": "Penetration of DDT into wood surfaces. Nuttal (1899) showed that Spirillum ch'tlerae and staphylococci could be transmitted by house flies.", "mime": "application/pdf"}, {"id": "inhs-183", "words": "11639", "extension": ".pdf", "flesch": "72", "author": "Yeager, Lee E.", "title": "Effect of Permanent Flooding in a River-Bottom Timber Area", "date": "1949", "keywords": "area; ash; assistant; calhoun; effect; feet; fig; figs; flooding; history; illinois; land; maple; mud; natural; oak; october; ph.d; point; river; species; survey; table; timber; trees; water; years", "summary": "o o o o o 3 O JO J3qtunj\\[ PESQ ;u33 jsj pE3a J3qLunj\\i S33JJ^ JO jsqiunivi PE3a }U33 J3J pE3a jsqmnfj S33JX JO jsqiunjsj PESQ JU33 J3J pE3a J3qiunf>j oooooooooo>nooooo oo o o o d o o o oo o o o o o o I 18 18", "mime": "application/pdf"}, {"id": "inhs-184", "words": "61832", "extension": ".pdf", "flesch": "68", "author": "Hanson, Harold C.; Smith, Robert H.", "title": "Canada Geese of the Mississippi Flyway with Special Reference to an Illinois Flock", "date": "1950", "keywords": "1946; age; area; art; atlantic geese; autumn; bag; banding; bay; bay area; birds; breeding; bulletin; canada geese; cent; coast; county; data; fig; flock; flyway geese; geese banded; goose; goose population; grounds; hanson; history; horseshoe lake; hudson; hunters; hunting; illinois; illinois river; indians; james bay; juveniles; kill; lake area; lake flock; lake game; lake geese; march; migration; miles; miner; mississippi; mississippi river; muskeg; natural; nesting; north; number; population; range; recoveries; refuge; region; river; sanctuary; season; shooting; smith; snow geese; south; spring; states; survey; table; total; valley canada; valley geese; vol; west; wildlife; winter; wintering; years", "summary": "A brief review of the distribution and taxonomy of Canada goose populations in eastern North America is relevant to an understanding of the data later pres- ented concerning the Mississippi flyway population. The duration of fertility is probably not a factor limiting the productivity of Canada goose populations, as captives have been known to raise young at ages that far e.xceed the length of life of most individuals in the wild, few of which live longer than about 5 years (see section on Population Survival).", "mime": "application/pdf"}, {"id": "inhs-185", "words": "23386", "extension": ".pdf", "flesch": "77", "author": "Hanson, Donald F.", "title": "Biology of the White Crappie in Illinois", "date": "1951", "keywords": "1938; age; assistant; august; brood; collections; condition; crappies; decatur white; eggs; females; fish; growth; hansen; history; hoop; illinois; inches; july; june; lake; lake decatur; late; length; males; nets; number; park; period; ph.d; sex; spawning; species; spring; summer; survey; table; water; white; white crappies; year", "summary": "4.\u2014Seasonal variation in the rate of capture of Lake Decatur white crappies in inch- mesh hoop nets in the years 1935-1939. Table 10.\u2014Ratios of males to females in Lake Decatur white crappies of different ages.", "mime": "application/pdf"}, {"id": "inhs-186", "words": "33079", "extension": ".pdf", "flesch": "74", "author": "Barnickol, Paul G.; Starrett, William G.", "title": "Commercial and Sport Fishes of the Mississippi River Between Caruthersville, Missouri, and Dubuque, Iowa", "date": "1951", "keywords": "1946; area; bass; black; bulletin; carp; caruthersville; catch; cent; collections; commercial; current; dam; dubuque; dubuque section; fishermen; fishery; fishes; fishing; history; illinois; illinois river; iowa; island; keokuk; length; miles; mississippi river; missouri river; mouth; mr section; natural; net; nets; netting; pounds; river channel; river fishes; section; september; species; sport; sport fishes; station; survey; table; test; upper; water; weight; white", "summary": "15 -Species composition of Mississippi River fishes taken above and helow the mouth .jAlf.souriR.ver between Caruthersville. The commercial catch of Mississippi River catfishes and bull- heads reported for Illinois and Iowa in 1946 amounted to a little more than 50 per cent of the comparable catch reported in 1899, table 7.", "mime": "application/pdf"}, {"id": "inhs-187", "words": "13706", "extension": ".pdf", "flesch": "66", "author": "Yeatter, Ralph E.; Thompson, David H.", "title": "Tularemia, Weather, and Rabbit Populations", "date": "1952", "keywords": "assistant; cases; central; cottontail; disease; fig; game; health; history; human; hunting; illinois; infection; natural; opening; ph.d; populations; rabbit; records; season; southern; states; survey; ticks; tularemia; tularemia cases; united; years", "summary": "This paper does not attempt to arrive at final conclusions as to whether Illinois cottontail rabbits have cyclic, and thus possibly predictable, fluctuations. Tapeworm cysts are found rather fre- quently in the muscles or attached to in- ternal organs of Illinois cottontail rabbits.", "mime": "application/pdf"}, {"id": "inhs-188", "words": "3040", "extension": ".pdf", "flesch": "77", "author": "Weed, Clarence M.", "title": "A Partial Bibliography of the Phalangiinae of North America", "date": "1890", "keywords": "description; page; phalangium; vol; weed; wood", "summary": "Communications of the Essex Institute, Vol. VI., pp. Essex Insti- tute, Vol. VI., pp. 18-19, 21, 39, figures la-lc.", "mime": "application/pdf"}, {"id": "inhs-189", "words": "4771", "extension": ".pdf", "flesch": "78", "author": "Forbes, Stephen A.", "title": "On an American Earthworm of the Family Phreoryctidae", "date": "1900", "keywords": "anterior; body; cells; dorsal; fig; henshaw; line; page; vessel; wall", "summary": "The setae (PI. VI., Figs. 1 & 2) be- gin with very small dorsal and ventral pairs in the first post-oral * Amer. The lateral branches of the dorsal vessel (PI. VI., Fig. 4) are given off immediately in front of the posterior dissepiment of each somite, and just behind the valves of the dorsal vessel.", "mime": "application/pdf"}, {"id": "inhs-190", "words": "3033", "extension": ".pdf", "flesch": "82", "author": "Forbes, Stephen A.", "title": "An American Terrestrial Leech", "date": "1890", "keywords": "henshaw; insert; line; list; mich; page; read; walk", "summary": "Page 403, line 21, for the interrogation point substitute a period; between lines 2 and 3 from bottom insert as follows: 1892. After the numbers 128, 129, and 130, for A. read E. * Page 441, line 17 from bottom, for V. read Ama&tris'\\; line 4 from bottom, insert (?) before V. Page 442, between lines 8 and 9 insert as follows : 1851.", "mime": "application/pdf"}, {"id": "inhs-191", "words": "3605", "extension": ".pdf", "flesch": "84", "author": "Garman, H. L.", "title": "Notes on Illinois Reptiles and Amphibians, Including Several Species Not Before Recorded from the Northern States", "date": "1890", "keywords": "examples; henshaw; illinois; insert; line; page; read; species; walk", "summary": "Page 403, line 21, for the interrogation point substitute a period; between lines 2 and 3 from bottom insert as follows: 1892. After the numbers 128, 129, and 130, for A. read E. * Page 441, line 17 from bottom, for V. read Ama&tris'\\; line 4 from bottom, insert (?) before V. Page 442, between lines 8 and 9 insert as follows : 1851.", "mime": "application/pdf"}, {"id": "inhs-192", "words": "20575", "extension": ".pdf", "flesch": "79", "author": "Garman, H.", "title": "A Preliminary Report on the Animals of the Mississippi Bottoms Near Quincy, Illinois, in August 1888. Part I", "date": "1890", "keywords": "animals; bay; bottoms; creek; dead; examples; family; fishes; food; harkness slough; illinois; inches; lake; larva; length; lily; localities; mississippi; pools; quincy; river; slough; species; state; water; willow slough; wood slough; young", "summary": "The larvae of this family are eaten by trout, and occur in the stomachs of other smaller fishes. The hellgrammites or crawlers are aquatic during the larva stage and feed upon other water insects, such as case-fly and May-fly larvffi.", "mime": "application/pdf"}, {"id": "inhs-193", "words": "5252", "extension": ".pdf", "flesch": "63", "author": "Gillette, C. P.", "title": "Descriptions of New Cynipidae in the Collection of the Illinois State Laboratory of Natural History", "date": "1891", "keywords": "abdomen; black; head; length; rufous; scutellum; segment; thorax", "summary": "The short grooves starting on the mesothorax at a point near the outer angles of the scutelhim and extending outside of the parap- sides to a point about opposite the bases of the wings, I sh;ill term lateral grooves in these descriptions to distinguish them from the other lines of the mesothorax. Descriptions of Xeiv Cynipidce 193 These galls are very common in the vicinity of Champaign, 111., on stems of Silphiiim integri/oliimi, and Mr. Hart had collected similar galls at Mormal, III, from S. perfoliatmn, from which flies were reared that were in every way identical with those from galls of the other species. Gall-fly.\u2014A robust, black species, with more or less rufous on face, mesonotum, scutellum, and sides of abdomen.", "mime": "application/pdf"}, {"id": "inhs-195", "words": "50547", "extension": ".pdf", "flesch": "74", "author": "Ross, Herbert H.", "title": "The Mosquitoes of Illinois (Diptera, Culicidae)", "date": "1947", "keywords": "abdomen; adults; aedes; anal; apex; area; aspect; band; basal; base; basistyle; black; brown; color; comb; dark; dorsal; dorsum; female; field; fig; figs; genitalia; hairs; half; head; head hairs; history; illinois; illinois species; lake; larvae; lobe; mesal; mesonotum; middle; mosquitoes; narrow; natural; palps; park; pecten; ross; scales; segment; setae; short; slender; southern; species; state; survey; teeth; tube; tuft; usphs; ventral; water; white; wing", "summary": "Eggs Eggs deposited by Illinois species of mos- quitoes fall into three fairly distinct cate- gories: (I) those laid singly on water; (2) those glued together in rafts that float on water; and (3) those laid singly in damp humus or other semidry material. Illinois species will breed in still water, and most of them only in still water, chiefly small ponds and pools of many types, the shallow edges of lakes, and the still water in shallow, dense weed beds along the edges of streams.", "mime": "application/pdf"}, {"id": "inhs-196", "words": "144830", "extension": ".pdf", "flesch": "76", "author": "DeLong, D. M.", "title": "The Leafhoppers, or Cicadellidae, of Illinois (Eurymelinae Balcluthinae)", "date": "1948", "keywords": "1936; 194s; aedeagus; alton; angles; anterior; apex; apexes; apical; appearance; apple; areas; art; aspect; aug; ball; band; basal; base; black; blunt; body; broad; brown; brownish; bulletin; canyon; cells; clavus; color; concave; convexly; costal; curved; dark; delong; disc; distance; distinct; dixon; dolson; dorsal; duzee; eastern; elongate; elytra; elytron; enlarged; eyes; face; female; fig; figs; form; fourth; frison; genera; genitalia; genus; grand; grasses; green; half; havana; head; herod; history; homoptera; illinois; illinois records; inner; july; june; lake; lateral; leafhoppers; length; light; line; male; margin; margined; markings; median; median length; middle; mohr; narrow; natural; near; nervures; new; north; northern; notch; oak; ocelli; orange; osborn; outer; pair; pale; parallel; park; plates; portion; posterior; prairie; processes; pronotum; pygofers; records.\u2014many; river; rock; ross; scaphoideus; scutellum; seventh; short; slender; sloping; smoky; species; spine; spots; springs; states; sternite; stripes; style; survey; tapered; thirds; tig; tooth; transverse; triangular; truncate; united; urbana; van; veins; ventral; vertex; vertex margin; vertex pale; vienna; view; west; white; width; yellow; yellowish", "summary": "Tettigoniellinae, p. 139 I'rontal sutures terminating below an- terior margin of front, as in figs. Idiocenis diizeei Provancher IJiocerus duzeei Provancher (1890, p. 292).", "mime": "application/pdf"}, {"id": "inhs-197", "words": "16987", "extension": ".pdf", "flesch": "73", "author": "Bennett, George W.", "title": "The Bass-Bluegill Combination in a Small Artificial Lake", "date": "1948", "keywords": "annuli; bass; bennett; bluegills; brood; brood bass; brood bluegills; cent; condition; fish; food; fork; fork lake; growth; history; illinois; inches; june; lake; length; natural; nets; period; pond; season; water; year", "summary": "Growth Rates The growing season for Fork Lake fish (water temperature abo\\e 55 degrees F. ) was determined to be about 6 months long in 1030 (Bennett. In order to determine the validity of the above classification and to answer other questions associated with reproduction in Fork Lake bass and bluegills.", "mime": "application/pdf"}, {"id": "inhs-198", "words": "52512", "extension": ".pdf", "flesch": "74", "author": "Hoff, C. Clayton", "title": "The Pseudoscorpions of Illinois", "date": "1949", "keywords": "abdomen; acuminate; adult; basalis; base; body; carapace; chamberlin; chelal; chelal finger; color; convex; depth; distal; dorsal; end; extensor; extensor margin; femur; fig; figs; finger; finger length; finger margin; flexor; fourth; genus; half; hand; history; hoff; illinois; leg; length; long; male; margin; movable; natural; near; new; palp; pars; pedicle; posterior; present; pseudoscorpions; segments; setae; slender; species; state; stout; surface; tactile; tarsus; teeth; tibia; tibialis; times; trochanter; view; weakly; width", "summary": "The general aim for all groups is now the one that has been developed for the insects: to build up as extensive and inclusive a col- lection of Illinois species as possible, and to supplement this with representatives of other North American genera and species in each group. 15D; body and palps no more than weakly granular; Illinois species with spines on coxa I, (ig. 15C, on coxa II, or on coxae II and III Chthoniidae, p. 431 TRIDENCHTHONIIDAE Pscudoscorpions belonging to this group can be recognized by the obliquely placed stigmata or respiratory spiracles, fig.", "mime": "application/pdf"}, {"id": "inhs-199", "words": "148556", "extension": ".pdf", "flesch": "75", "author": "Ross, Herbert H.", "title": "The Caddis Flies, or Trichoptera, of Illinois", "date": "1944", "keywords": "abdomen; adults; adults.\u2014length; aedeagus; anterior; apex; april; area; art; aspect; august; banks; basal; base; bearing; betten; black; body; brown; bulletin; burks; bursa; caddis; case; cerci; characters; claspers; color; copulatrix; creek; curved; dark; dorsal; female; fig; figs; flies; form; frison; frons; general; genitalia; genotype; genus; group; h. ross; hagen; head; hind; history; holotype; hydropsyche; hydroptila; illinois; illinois records; illinois species; indiana; july; june; kankakee; lake; larvae; legs; length; leptocerus; light; like; limnephilus; lobes; long; male; margin; mesal; michigan; middle; milne; mohr; narrow; natural; new; north; oklahoma; pair; park; pattern; plate; polycentropus; portion; posterior; processes; projection; pronotum; pupae; range; records; rhyacophila; river; rock; ross; sclerites; segment; setae; short; slender; species; spots; spring; state; sternite; stout; streams; structure; survey; tenth; tergite; ventral; vol; walker; wings; wisconsin; yellow; york", "summary": "In 1931, when this project was started, the only available listing of Illinois species was contained in Dr. Cornelius Betten's then unpublished manuscript of the Trichop- tera of New York. De- scriptions of some of the more pertinent new forms are presented here, partly to supple- ment identification of Illinois species and partly to supplement the check list.", "mime": "application/pdf"}, {"id": "inhs-200", "words": "16881", "extension": ".pdf", "flesch": "67", "author": "Bellrose, Frank C.", "title": "Duck Populations and Kill: an Evaluation of Some Waterfowl Regulations in Illinois", "date": "1944", "keywords": "bag; cent; day; duck; flight; hunters; hunting; illinois; illinois river; kill; limit; mallards; natural; november; ph.d; pressure; regulations; river; season; shooting; species; table; valley; waterfowl; year", "summary": "Of all kinds of Illinois ducks, mal- lards and black ducks, considered to- il gether, were found through this study , to be the least vulnerable to hunting, I table 2. As indicated by band returns, the shot- gun mortality, the first season, of 27,680 fall banded mallards was 2.9 per cent in 1939; 6.8 per cent in 1940; 2.6 per cent cent in 1941; 7.0 per cent in 1942; and Photo by Bob Becker Mallard and pintail blocks, or wooden decoys, being picked up in a marsh smartweed area that has yielded large kills of Illinois River valley ducks.", "mime": "application/pdf"}, {"id": "inhs-201", "words": "11880", "extension": ".pdf", "flesch": "73", "author": "Bennett, George W.", "title": "Overfishing in a Small Artificial Lake: Onized Lake Near Alton, Illinois", "date": "1945", "keywords": "age; average; bass; census; figs; fish; fishing; growth; illinois; june; lake; length; natural; number; ph.d; species; table; total; weight", "summary": "3 Table 9.\u2014Number of fish used in a study of the growth of Onized Lake fish. Lines representing a pyramid of num- bers of Onized Lake fish have been super- imposed upon lines representing a similar pyramid for a theoretical fish population (Bennett 1943), fig.", "mime": "application/pdf"}, {"id": "inhs-202", "words": "20774", "extension": ".pdf", "flesch": "71", "author": "Carter, J. Cedric", "title": "Wetwood of Elms", "date": "1945", "keywords": "air; august; branches; broth; brown; cut; degrees; elms; fig; flux; gas; heartwood; illinois; inches; materials; nutrient; organism; pressure; sap; temperature; tests; trees; trunk; trunk wood; water; wetwood; wetwood sap; wilt", "summary": "\u2014In this experiment, six 2-year-old potted seedlings of American elm were connected by rubber and glass tubing to six large wetwood-af\u00a5ected elms in Hinsdale to test the toxic effect, on seedlings, of sap from wetwood trees. The pH determinations showed the sap and discolored wood of wetwood trees to be alkaline, the wood of healthy trees to be acid.", "mime": "application/pdf"}, {"id": "inhs-203", "words": "32653", "extension": ".pdf", "flesch": "71", "author": "Brown, Louis G.; Yeager, Lee E.", "title": "Fox Squirrels and Gray Squirrels in Illinois", "date": "1945", "keywords": "animals; areas; art; august; breeding; brown; bulletin; cent; county; early; feeding; females; fig; figs; food; fox squirrels; gray; habitat; history; hunters; hunting; illinois; illinois squirrels; natural; number; oak; range; season; september; species; spring; state; study; summer; survey; table; time; trees; type; use; writers; yeager; young", "summary": "The earliest first-season birth date es- timated for Illinois gray squirrels (only four litters observed) was February 20 and the latest March 18. Of the hickories, the shagbark (Carya ovata) , both because of its statewide dis- tribution and tendency to fruit, is easily first in use among Illinois squirrels.", "mime": "application/pdf"}, {"id": "inhs-209", "words": "2833", "extension": ".pdf", "flesch": "78", "author": "Weed, Clarence M.", "title": "Sixth Contribution to a Knowledge of the Life History of Certain Little-known Aphididae", "date": "1891", "keywords": "corn; field; lice; root; young", "summary": "The first observations during 1887 were made in an oats field, on the University farm, that was last year planted to corn and abundantly infested with corn root lice. This second generation bring forth vivipa- rous young (mostly wingless); and generations of viviparous females continue to develop on corn roots throughout the summer.", "mime": "application/pdf"}, {"id": "inhs-210", "words": "58874", "extension": ".pdf", "flesch": "84", "author": "Garman, H. L.", "title": "A Synopsis of the Reptiles and Amphibians of Illinois", "date": "1892", "keywords": "acad; amphibians; anterior; beneath; black; body; brown; bull; carapace; cat; chicago; color; dark; davis; dorsal; elongate; eye; fig; head; hist; iii; illinois; inches; kept; lab; legs; length; long; median; mus; nat; pale; phila; plates; posterior; present; reptiles; rice; rows; scales; sci; series; sides; slender; small; smooth; snout; species; spots; state; stripe; surface; tail; teeth; transverse; wide; yellow; zool", "summary": "Hcotopliis Tdipiiids, Bd. and Gir., Cat. X. A. Kept., Pt. I., 1853, p. N. A.. Rept., Pt. I., 1853, p. 127.", "mime": "application/pdf"}, {"id": "inhs-211", "words": "23182", "extension": ".pdf", "flesch": "89", "author": "Goding, F. W.", "title": "Bibliographical and Synonymical Catalogue of the Described Membracidae of North America", "date": "1894", "keywords": "agr; apex; b. m.; base; bid; black; brown; butler; cat; ceresa; cist; duzee; emmons; ent; eyes; fabr; fairm; fig; fitch; hem; hom; horn; iii; ins; line; list; list horn; memb; membracis; mex; posterior; prothorax; rep; rev; smilia; smith; stal; telamona; thelia; uhler; van; walk; walker; yellow", "summary": "Vnihotiid spliios<i. StAl, Hem. Fa])r. ii, 37, 1. Umbonia spuiosa. Ins. ii, 317,11. 1787.", "mime": "application/pdf"}, {"id": "inhs-214", "words": "4016", "extension": ".pdf", "flesch": "89", "author": "Goding, F. W.", "title": "Synopsis of the Subfamilies and Genera of the North American Cercopidae, with a Bibliographical and Synonymical Catalogue of the Described Species of North America", "date": "1895", "keywords": "aphrophora; cercopis; clastoptera; fabr; fitch; horn; ins; list; uhler; walker", "summary": "Ins. ii, 330, 8. 1787. Ins. ii, 274, 13.", "mime": "application/pdf"}, {"id": "inhs-216", "words": "14072", "extension": ".pdf", "flesch": "61", "author": "Solomon, Levi Eric; Pendleton, Richard M; Maxson, Kristopher A; Gibson-Reinemer, Daniel K; Anderson, Cory A; Anderson, Rebekah L; Lampo, Eli G; Lamer, James T; Casper, Andrew F", "title": "Status, trends, and population demographics of selected sportfish species in the La Grange Reach of the Illinois River", "date": "2021", "keywords": "age; bass; bluegill; crappie; data; et al; fishes; grange; illinois; illinois river; la grange; reach; river; size; species; study; white; year; yellow", "summary": "Standardized LTRM SRS sampling be- gan in 1993, the same year as a historic flood event throughout the midwestern United States, includ- ing throughout the UMRS and lower Illinois River. Many environmental stressors are acting on the Illinois River that could be contributing to the lack of older and larger fishes, including but not limited to navigation efforts (impoundment by lock and dams, levee construction), altered hydrology, pollution, sedimentation, lack of overwintering habitat, and introduction of invasive species.", "mime": "application/pdf"}, {"id": "inhs-243", "words": "124120", "extension": ".pdf", "flesch": "70", "author": "Knight, Harry H.", "title": "The Plant Bugs, or Miridae, of Illinois", "date": "1941", "keywords": "antennae; anterior; apex; area; art; aug; basal; base; black; body; brown; brownish; bugs; bulletin; calli; claspers; clavus; color; color black; coloration; corium; coxae; cuneus; dark; disk; distribution; dorsal; dorsum; dozier; dusky; duzee; embolium; erect; female.\u2014length; females; femora; fig; food; form; fourth; green; greenish; hairs; half; head; hemelytra; hind; history; host; illinois; illinois species; iowa; july; june; knight; lateral; legs; length; light; line; male; male.\u2014length; margin; median; membrane; middle; minnesota; miridae; mohr; natural; neolygus; new; north; pale; pale yellowish; pallid; park; phytocoris; plagiognathus; plant; pronotum; pubescence; records; reddish; reuter; ross; rostrum; scutellum; segment; segment black; segment pale; september; slender; species; specimens; spots; state; survey; thickness; tibiae; tip; uhler; urbana; van; veins; vertex; white; width; yellowish; yellowish brown; york", "summary": "Illinois Records.\u2014Northern Illinois: July, 1^, 1$. Antioch: Illinois Records.\u2014Northern Illinois: 2 c5 .", "mime": "application/pdf"}, {"id": "inhs-245", "words": "64190", "extension": ".pdf", "flesch": "67", "author": "Frison, T. H. ", "title": "Studies of North American Plecoptera: with special reference to the fauna of Illinois", "date": "1942", "keywords": "abdomen; abdominal; acroneuria; adult; american; anal; april; banks; brown; burks; cerci; claassen; collection; color; compound; county; creek; dark; description; exuviae; female; fig; follows; frison frison; general; genus; gills; h. frison; h. h.; h. prison; h. ross; head; history; holotype; illinois; illinois species; isoperla; july; june; lobes; long; male; march; margin; material; median; mohr; natural; needham; new; north; nymphs; ocelli; park; plate; plecoptera; posterior; present; process; pronotum; records; ricker; river; segments; species; specimens; sternite; survey; synonymy; t. h.; tergites; tip; typic", "summary": "\u2014 Spearfish : Same data as for holotype, 45,^, 20$. British Columbia.\u2014Vancouver: July 25, 1936, H. H. Ross, 1$. California.\u2014Mono County, Convict Creek: July 3, 1938, H. J. Rayner, 2$. Colorado.\u2014Hartzel: July 22, 1938, H. H. & J. A. Ross, 1$, Iola: June 22, 1934, ele- vation 7,450 feet, H. Pratt, 2$. Eckert, Surface Creek: June 28, 1938, Lanham & Bauer, 29. MouNTAiNBURG, Clear Creek: May 1, 1939, H. H. & J. A. Ross, 1$. Mountain Pine: June 5, 1937, H. H. Ross, $$, 5$. Washington County: Mav 3, 1939, 1$. WiNSLOw: May 1, 1939, H. H. & J. A. Ross, 16, 2 $ .", "mime": "application/pdf"}, {"id": "inhs-248", "words": "10282", "extension": ".pdf", "flesch": "88", "author": "Bellrose, Frank C. ; Anderson, Harry G.", "title": "Preferential Rating of Duck Food Plants", "date": "2019", "keywords": "abundance; area; cent; duck; duck food; eed; fig; food; index; lake; low; martweed; millet; pecie; plant; pondweed; rating; river; seed; table; thi; valley; value; water; waterfowl; wild; year", "summary": "In ome in tance change in the rank ing of a plant from year to year are du Table 2.- umber of acre of duck food plant at variou lake in the Illinois RI valley and the number of duck stomachs examined from each area. Duck food plant of the Illinois River valley.", "mime": "application/pdf"}, {"id": "inhs-249", "words": "31334", "extension": ".pdf", "flesch": "70", "author": "Brown, Louis G.; Yeager, Lee E.", "title": "Survey of the Illinois Fur Resource", "date": "1943", "keywords": "animals; bluffs; catch; cent; county; fig; fox; foxes; fur; fur animals; fur catch; fur resource; fur survey; furs; history; hunters; illinois; illinois fur; lakes; low; mile; mink; muskrat; pelts; prairie; raccoon; red; region; river; season; species; state; survey; table; takers; total; trappers; trapping; value; water; yeager", "summary": "The erosional effects of the Mississippi River on the west, the Ohio and Wabash rivers on the south and east, and the Illinois River, extending south- westerly from Chicago nearly to St. Louis, lower the prairie status of the state and make for an appreciable area of river hot- Table 1.\u2014Fur survey regions and data on field samples used in Illinois fur animal survey, 1938-39 and 1939-40. All ex- cept Hahn, Necker & Hatfield and Mohr describe the habits of Illinois fur animals in more or less detail.", "mime": "application/pdf"}, {"id": "inhs-250", "words": "15267", "extension": ".pdf", "flesch": "73", "author": "Mohr, Carl O. ", "title": "Illinois Furbearer Distribution and Income", "date": "1943", "keywords": "average; catch; counties; county; data; distribution; figures; foxes; fur; furbearer; history; illinois; income; number; reports; seasons; state; survey; table; takers; trappers", "summary": "Bulletin STATE OF ILLINOIS DwiGHT H. Green, Governor DEPARTMENT OF REGISTRATION AND EDUCATION Frank G. Thompson, Director NATURAL HISTORY SURVEY DIVISION Theodore H. Prison, Chief Volume 22 BULLETIN Article 7 Illinois Furbearer Distribution and Income CARL O. MOHR Printed by Authority of the State of Illinois URBANA, ILLINOIS September 1943 CONTENTS Page Acknowledgments 506 Numbers of Fur-Takers 507 Comparison of Data 511 Trends in Furbearer Catch 511 Distribution Patterns of Furbearers 512 MUSKRAT 513 Distribution 513 Trappers, Catch and Income 513 Mink 514 Distribution 514 Trappers, Catch and Income 515 Raccoon 516 Distribution 516 Trappers, Catch and Income 516 Skunk 517 Distribution 517 Trappers, Catch and Income 518 Opossum 518 Distribution 518 Trappers, Catch and Income 519 Foxes 520 Distribution 520 Trappers, Catch and Income 521 Numbers of Red Foxes Caught 522 Income from Red Foxes 523 Numbers of Gray Foxes Caught 523 Income from Gray Foxes 523 Long-Tailed Weasel 523 Distribution 523 Trappers, Catch and Income 524 Least Weasel 524 Badger 525 Distribution 525 Catch 526 Bobcat 526 Domestic Cat 527 Otter 527 Coyote 528 Marten 532 Spotted Skunk 532 Beaver 533 Total Annual Catch 534 Total Annual Income 535 Future Possibilities 536 Literature Cited 536 Representative pelts of Illinois fur animals. Dr. Frison (1931) stated that for the 1929-30 season the total income of licensed Illinois trappers from the seven most important furbearers was estimated at $957,651 ; almost half of this amount from the sale of muskrat pelts and almost a third from the sale of mink pelts.", "mime": "application/pdf"}, {"id": "inhs-251", "words": "12958", "extension": ".pdf", "flesch": "78", "author": "Bennett, George W. ", "title": "Management of Small Artificial Lakes: a summary of fisheries investigations, 1938-1942", "date": "1943", "keywords": "artificial; bass; black; bluegills; brood; cent; crappies; fish; fishing; food; illinois; lakes; largemouth; management; numbers; ph.d; pond; population; pounds; size; species; sunfish; total; water; weight; years", "summary": "Angling records supplemented by hoopnet samples from several lakes provide a means of measuring the effects of underfishing and overfishing on fish populations. A cropping plan should include measures to control the numbers of fish of small size as \\\\'ell as the total poundage of large fish taken hy anglers.", "mime": "application/pdf"}, {"id": "inhs-253", "words": "24917", "extension": ".pdf", "flesch": "74", "author": "Yeatter, Ralph E. ", "title": "The Prairie Chicken in Illinois", "date": "2019", "keywords": "1939; area; birds; booming; census; cent; central; chickens; counties; county; cover; eggs; evidence; fall; farming; field; fig; food; game; grain; grass; ground; hawks; illinois; illinois prairie; jasper; land; low; males; management; nesting; nests; northern; number; period; ph.d; populations; prairie; prairie chicken; present; range; redtop; region; season; soil; species; spring; state; studies; study; survey; time; total; wildlife; winter; years; yeatter; young", "summary": "Although there can be little doubt that Illinois prairie chickens inhabited cleared woodland soils to a considerable extent during the period of crude agriculture, these birds are at present confined almost entirely to prairie soils. One explanation for the apparent pref\u00ad erence of Illinois prairie chickens for prai\u00ad rie soils may lie in the density and compo\u00ad sition of grass and herbaceous growth, as well as in the type of plant succession, found on the prairie.", "mime": "application/pdf"}, {"id": "inhs-257", "words": "15694", "extension": ".pdf", "flesch": "67", "author": "Farrar, M. D. ", "title": "The Effects of Petroleum-oil Sprays on Insects and Plants", "date": "1936", "keywords": "cent; codling; control; dormant; efficiency; emulsions; fig; foliage; fruit; illinois; injury; jour; moth; oil; oil emulsions; oil sprays; oils; petroleum; plant; properties; scale; sprays; stock; sulfur; table; tests; use; white", "summary": "Indicative of present knowledge concerning oil sprays are the following : The use of oil emulsions for codling moth control in late-brood sprays, particular- ly when mixed with nicotine sulfate, is very promising. Sprays of oil emulsions for late-biood codling moth larvae have given excellent results in the reduction of lead arsenate residues.", "mime": "application/pdf"}, {"id": "inhs-259", "words": "8057", "extension": ".pdf", "flesch": "71", "author": "Brown, Frank", "title": "Responses of the Large-mouth Black Bass to Colors", "date": "1937", "keywords": "bass; black; blue; color; fish; gray; green; lemon; light; pipettes; red; response; training; trials; vision; yellow", "summary": "Significance of determining color vision in black bass. 2 MAY 1937 Responses of the Large-mouth Black Bass* to Colors FRANK A. BROWN, JR.^ PROBLEM OF COLOR VISION IN FISHES ECAUSE an excellent review of havior is in response to wave length and not intensity, then the fish may be spoken ot as having color vision for that particular wave length of light.", "mime": "application/pdf"}, {"id": "inhs-260", "words": "25465", "extension": ".pdf", "flesch": "73", "author": "Ross, Herbert; Frison, Theodore", "title": "Studies of Nearctic Aquatic Insects: I. Nearctic Alder Flies of the Genus Sialis (Megaloptera, Sialidae); II. Descriptions of Plecoptera", "date": "1937", "keywords": "abdomen; apex; april; area; base; brown; cnm; county; creek; dark; eighth; female; fig; genitalia; genus; head; holotype; icf; illinois; inhs; july; june; lake; male; margin; mcz; new; ocelli; plate; prison; pronotum; river; ross; sialis; species; specimens; sternite; terminal", "summary": "Paratypes. \u2014 Illinois.\u2014Charleston: June 19, 1931, H. H. Ross, INHS. D., D.Sc, Chemistry John W. Alvord, C.E., Engineering Edson C. Bastin, Ph.D., Geology Arthur Cutts Willard, D.Eng., LL.D., President of the University of Illinois NATURAL HISTORY SURVEY DIVISION URBANA, ILLINOIS Scientific and Technical Staff Theodore H. Prison, Ph.D., Chief SECTION OF ECONOMIC ENTOMOLOGY W. P. Flint, B.S., Chief Entomologist C. C. CoMPTON, M.S., Associate Ento- mologist M. D. Farrar, Ph.D., Research Ento- mologist J. H. Bigger, B. S., Associate Ento- mologist S. C. Chandler, B.S., Southern Field Entomologist L. H. Shropshire, M.S., Northern Field Entomologist W. E. McCauley, M.S., Assistant Entomologist C. W. Kearns, Ph.D., Research Fellow in Entomology J. F. Alsterlund, M.S., Research Fellow in Entomology DwiGHT Powell, M.S., Research Fellow in Entomology L. R. Tehon, Ph.D., Botanist J. C. Carter, Ph.D., Assistant Botanist G. H. BoEWE, M.S., Field Botanist SECTION OF FORESTHY James E. Davis, M.F., Exteniion For- ester SECTION OF AQUATIC BIOLOGY David H. Thompson, Ph.D., Zoologist F. D. Hunt, Field Naturalist D. F. Hansen, A.M., Assistant Zoologist D. J. O'Donnell, M.S., Assistant Zo- ologist SECTION OF INSECT SURVEY H. H. Ross, Ph.D., Systematic Ento- mologist Carl O. Mohr, Ph.D., Associate Ento- mologist, Artist B. D. Burks, Ph.D., Assistant Ento- mologist R. E. Yeatter, Ph.D., Game Specialist W. H. Leigh, M.A., Assistant Zoologist SECTION OF PUBLICATIONS Carroll Chouinard, M.A., Editor TItis paper i tlrihulion/rnni the Sectio (31401\u20141200\u20146-37) of Insect Survey I CONTENTS i. nearctic alder flies of the genus sialis (megaloptera, sialidae) Biology and Ecology 57 Habitat preference.\u2014Distribution.\u2014", "mime": "application/pdf"}, {"id": "inhs-261", "words": "42278", "extension": ".pdf", "flesch": "71", "author": "Frison, T. H.", "title": "Descriptions of Nearctic Caddis Flies (Trichoptera): With special reference to the Illinois species", "date": "1938", "keywords": "apex; apical; basal; base; brown; claspers; color; data; dorsal; fig; genitalia; genus; h. h.; h. ross; holotype; illinois; july; june; lateral; light; long; male; margin; mesal; mohr; new; oedagus; pair; portion; process; river; ross; segment; setae; short; species; structure; tenth; tergite; ventral", "summary": "Since 1931, Dr. H. H. Ross, Systematic Entomologist of the Illinois Natural History Survey, has been responsible for the con- tinuation of this project. HowsoN, B.S.C.E., C.E., Engineering Edson C. Bastin, Ph.D., Geology Arthur Cutts Willard, D.Eng., LL.D., President of the University of Illinois William A. Noyes, Ph.D., LL.D., Chem.D., D.Sc, Chemistry NATURAL HISTORY SURVEY DIVISION URBANA, ILLINOIS Scientific and Technical Staff Theodore H. Frison, Ph.D., Chief SECTION OF ECONOMIC ENTOMOLOGY W. P. Flint, B.S., Chief Entomologist C. C. CoMPTON, M.S., Associate Ento- mologist M. D. Farrar, Ph.D., Research Ento- mologist J. H. Bigger, B.S., Associate Ento- mologist S. C. Chandler, B.S., Southern Field Entomologist L. H. Shropshire, M.S., Northern Field Entomologist W. E. McCaulev, M.S., Assistant Entomologist C. W. Kearns, Ph.D., Research Fellow in Entomology DwiGHT Powell, M.S., Research Fellow in Entomology Arthur E. Ritcher, B.A., Research Fellow in Entomology SECTION OF INSECT SURVEY H. H. Ross, Ph.D., Systematic Ento- mologist Carl O. Mohr, Ph.D., Associate Ento- mologist, Artist B. D. Burks, Ph.D., Assistant Ento- mologist This paper", "mime": "application/pdf"}, {"id": "inhs-263", "words": "17171", "extension": ".pdf", "flesch": "77", "author": "Carter, J. Cedric", "title": "Preliminary Investigation of Oak Diseases in Illinois", "date": "1941", "keywords": "agar; bark; black; branch; brown; canker; conidia; corn; culture; dark; diameter; dieback; diseases; dothiorella; fig; fungi; fungus; hyaline; illinois; living; meal; oak; oaks; pycnidia; red; specimens; spores; stromata; tissue; trees; twig; white; wood", "summary": "Two of the five isolations were ob- tained from black oak: one from discolored li\\ing wood of a twig and one from a blighted petiole. Cytospora canker and dieback on black oak.", "mime": "application/pdf"}, {"id": "inhs-264", "words": "3233", "extension": ".pdf", "flesch": "70", "author": "Hulbary, Robert", "title": "A Needle Blight of Austrian Pine", "date": "1941", "keywords": "blight; brown; fungus; hyphae; illinois; needle; pine; stroma; stromata", "summary": "At least two diseases, per- haps more, have been included under the term Septoria needle blight and attributed *After the manuscript of this article was submitted for publication, Paul V. Siggers defined the brown-spot dis- ease, confirming the binomial Lecanosticla acicola (Thijrn.) Syd. for the imperfect stage of the fungus associated with the disease and proposing the binomial Scirrhia acicola (Dearn.) The majority of fungi associated with needle blight in various parts of the coun- try have been placed in the genus Septoria.", "mime": "application/pdf"}, {"id": "inhs-265", "words": "18352", "extension": ".pdf", "flesch": "69", "author": "Bellrose, Frank", "title": "Duck Food Plants of the Illinois River Valley", "date": "1941", "keywords": "acres; august; beds; bulrush; chautauqua; coontail; duck; duck food; fig; food; food plants; grass; illinois; illinois river; inches; lake; levels; lotus; marsh; moist; plants; pondweed; river; seeds; smartweed; soil; species; survey; valley; water; water levels; waterfowl; wild", "summary": "Approximately 2,500 longleaf pondweed plants, 4,000 muskgrass tufts, 100 creeping water primrose plants and over 1,000 each of hardstem bulrush and giant bur-reed plants were used. Index of seasonal variation in Illinois River water levels over a 20-year periodi 1920-39, at Peoria and Beardstown.", "mime": "application/pdf"}, {"id": "inhs-266", "words": "19754", "extension": ".pdf", "flesch": "64", "author": "Harris, Hubert", "title": "Initial Studies of American Elm Diseases in Illinois", "date": "1932", "keywords": "agar; brown; bulletin; culture; discoloration; disease; elm; elm diseases; elms; figure; fungi; fungus; growth; harris; history; illinois; infection; mycelium; natural; nursery; spores; stem; studies; survey; trees; twigs; wood", "summary": "In the summer of 1930 Dr. Buisman, who was then making a tour of the United States to study elm diseases, examined a number of diseased elms in Illinois. HARRIS: INITIAL STUDIES OF ELM DISEASES 3 SCOPE OF PRESENT REPORT A PLANT disease epidemic is difficult enough to combat when the cause of the disease is known, but when it is unknown, as in the case of this elm malady, the problem is even more serious.", "mime": "application/pdf"}, {"id": "inhs-267", "words": "17854", "extension": ".pdf", "flesch": "75", "author": "Luce, Wilbur", "title": "A Survey of the Fishery of the Kaskaskia River", "date": "1933", "keywords": "bulletin; carp; cat; channel; colls; fishery; fishes; food; history; illinois; inches; kaskaskia; kaskaskia river; kinds; length; miles; minnow; mouth; natural; near; numbers; rafinesque; river fishery; specimens; spms; state; stream; survey; water", "summary": "The high percentage of catfishes may be due to Table V. \u2014 Fishes Taken by Hoop Nets, Kaskaskia River, 1929-1930. Enemies.\u2014All game fishes feed for the most part upon minnows and other small fishes.", "mime": "application/pdf"}, {"id": "inhs-268", "words": "59841", "extension": ".pdf", "flesch": "67", "author": "Hebard, Morgan", "title": "The Dermaptera and Orthoptera of Illinois", "date": "1934", "keywords": "apex; aspect; aug; brown; bulletin; carina; caudal; cerci; ceuthophilus; chicago; city; county; dermaptera; disk; dorsal; dubois; elongate; females; femora; femur; fig; forest; form; green; hart; havana; hebard; history; icf; iii; illinois; insect; july; june; key; lake; length; long; male; margin; material; median; melanoplus; mohr; natural; northern; oct; orthoptera; ovipositor; pale; plate; portion; present; prison; pronotum; race; ross; sand; scudder; sept; series; small; southern; species; specimens; state; surface; survey; tegmina; tibiae; urbana; ventral; volume", "summary": "Larger species 6 2. Larger species, males more than 25 mm., females more than 35 mm. in length.", "mime": "application/pdf"}, {"id": "inhs-269", "words": "59359", "extension": ".pdf", "flesch": "70", "author": "Frison, Theodore", "title": "The Stoneflies, or Plecoptera, of Illinois", "date": "1935", "keywords": "abdomen; acroneuria; adults; allocapnia; anterior; apr; area; bulletin; claassen; dark; description; dorsal; feb; female; fig; figs; general; genus; gills; head; history; icf; illinois; illinois species; island; isoperla; jan; july; june; long; mar; margin; middle; natural; near; needham; new; north; nymphal; nymphs; ocelli; plate; plecoptera; posterior; prison; rock; segments; species; specimens; state; sternite; stoneflies; streams; survey; ventral; walsh; wing", "summary": "The same also applies to Illinois species of the genera Hydroperla, Perlinella and certain species of Isoperla. Species often with gill remnants in cervical region, known Illinois species always NEMOURIDAE, p. 349 Apical marginal space beyond tip of subcosta without an oblique crossvein, fig.", "mime": "application/pdf"}, {"id": "inhs-271", "words": "28550", "extension": ".pdf", "flesch": "71", "author": "Thompson, David; Hunt, Francis", "title": "The Fishes of Champaign County: A Study of the Distribution and Abundance of Fishes in Small Streams", "date": "1930", "keywords": "abundance; adults; area; average; black; body; branch; bulletin; champaign; champaign county; collections; colls; county; distribution; dorsal; feet; fin; fishes; fork; habitats; head; history; hybopsis; illinois; kinds; length; line; map; middle; miles; minnow; mouth; natural; notropis; numbers; river; salt; salt fork; sangamon; size; species; specimens; spms; square; streams; sucker; vegetation; water; young", "summary": "In Champaign County streams, however, there is no evidence that the difference in size is due to slower growth ; it seems somewhat more probable that the larger fishes are eliminated by low oxygen concentrations, since they have a smaller ratio of respiratory surface lo liody size than do small fishes. Fishes of Champaign County 63 Among families of small fishes, ichth^'ologists have found local races and varieties to be the rule.", "mime": "application/pdf"}, {"id": "inhs-272", "words": "4050", "extension": ".pdf", "flesch": "64", "author": "Smith, Frank", "title": "Records of Spring Migration of Birds at Urbana, Illinois, 1903-1922", "date": "1931", "keywords": "birds; illinois; kinds; migration; records; region; sparrow; species; spring; winter; years", "summary": "In the latter of these two papers (Illinois Birds as Travellers) there are also memoranda on winter homes of certain kinds of Illinois birds and on the routes followed in the journeys to and from them. In a study of the bird fauna of a region like the one under con- sideration, one must expect to deal with some species of which speci- mens are rarely seen, and not infreiiuently there will be but one or two records in a season and for some s]iecies but one or two records for the entire ]ieriod, Such records may be of but little use in an at- tem])t tt) determine the earliest and latest limits of a normal migration ])eriod for the species.", "mime": "application/pdf"}, {"id": "inhs-273", "words": "145689", "extension": ".pdf", "flesch": "68", "author": "Hottes, Frederick; Frison, Theodore", "title": "The Plant Lice, or Aphiidae, of Illinois", "date": "1931", "keywords": ".16; .17; abdomen; agricultural; alate; anal; antennal; anterior; apex; aphididae; aphis; apices; april; apterous; area; aug; august; average; averaging; baker; basal; base; beak; black; body; brown; brownish; bulletin; capitophorus; carbondale; cauda; champaign; collection; color; color.\u2014average; concolorous; cornicles; coxae; dark; dark brown; data; davis; decatur; descriptions; dorsum; dusky; elizabethtown; entomologist; eyes; female; femora; fifth; fig; figs; filament; fitch; following; follows; forbes; fore; fork; forms; fourth; frison; galena; general; genus; gillette; green; hairs; half; head; herod; hind; history; host; hottes; iii; illinois; illinois state; insects; island; july; june; kaltenbach; key; koch; leaves; legs; length; lice; life; light; like; linnaeus; louse; macrosiphum; margin; material; media; middle; monell; myzocallis; myzus; natural; near; new; nov; number; numbering; nymphs; oakwood; oct; october; oestlund; oregon; pair; pale; park; patch; pemphigus; persicae; pig; plant; plus; portion; posterior; present; records; report; rhopalosiphum; rock; roots; ross; secondary; segment; sensoria; sensorium; sept; september; setae; sixth; size; slide; society; species; species fig; specimens; state; stigma; summer; survey; tarsi; terminal; theobald; thomas; thorax; tibiae; times; tip; tubercles; urbana; var; veins; vertex; vol; walsh; white; width; wilson; wings; yellowish; yellowish brown", "summary": "The bright golden yellow abdomen and the black head, antennae, cornicles, and cauda make this one of the mo.st con- spicuous of Illinois aphids. and Assistant Entomologist, Illinois State Nalnral History Survey, sum- mers of 1928-in.'i0.", "mime": "application/pdf"}, {"id": "inhs-274", "words": "4487", "extension": ".pdf", "flesch": "70", "author": "Eddy, Samuel", "title": "The Plankton of Some Sink Hole Ponds in Southern Illinois", "date": "1931", "keywords": "collections; ehr; forms; hole; illinois; organisms; plankton; ponds; sink; southern; species; water", "summary": "OF Sink Holk Poxds 465 <0 C' O Ci o o o o '>*' o o o m m o CO CO CD^ ^ =; -J5 m O to to o o o oo o o -(J. o o C3 O Ci o oO O O iH (M CO Tt* O CO CO ooooo<=>oooooOOOOOOOC'lO'OO o = \u2022 Plaxktox of Sink Hulk Ponds 467 ooooooooooocooooo to J^ Tf CO CD O O li^ 51* CT> CD O lO M o o \u2014 O' o o O' o o", "mime": "application/pdf"}, {"id": "inhs-275", "words": "4699", "extension": ".pdf", "flesch": "69", "author": "Eddy, Samuel", "title": "The Plankton of the Sangamon River in the Summer of 1929", "date": "1931", "keywords": "collections; decatur; downstream; feet; lake; miles; plankton; river; species; water", "summary": "a'_ 1-4 c-^ .-I e 5 QIC m o a o J i 3 o a s O CD <=> o o (M O U3 O O Oi ^\u00a3> Oi ^** O O O to tH OS O o o o o oO C) ^s o <=> oo o u^ o o^ o o o ir: o th CO u= -I o ^ooo oooo1*0000 fOOO>CO QOCDl^Ci (MCCIOOO oo la o o o o o o o o in> u^ ITS in lo ii3 M cq M cq IM N W tH a -. station Plankton of the Saxoamox Rivkr 479 < 480 iLLixoiis Natural Histoky Si'rvey Bulletin o Plankton ok thic Sanoa.moiN Rnnu 481 1-5 Z; <: CO fc m a a 55 CJ 01 3 > 5 CS O <u2 ~ o o <u 13 a DC ;i o ^ 482 Illinois Natlkal History Sihvey Bllletix o < ~ .i O Eh M >5 < 1-1 o ^ 0) a S |i< 13 2 o o a s c CO Oil t- o o oo o CC CO o o o oO M O u^ ooo ooomoo o o c>O", "mime": "application/pdf"}, {"id": "inhs-276", "words": "10431", "extension": ".pdf", "flesch": "71", "author": "Shelford, V. E.", "title": "An Experimental and Observational Study of the Chinch Bug in Relation to Climate and Weather", "date": "1932", "keywords": "474; bug; bugs; chinch; chinch bug; conditions; county; cultures; damage; days; experiments; fig; history; humidity; illinois; length; rate; records; state; study; table; temperature; time; years", "summary": "The effect of moisture on the length of chinch bug stages is relatively great. After the codling niolh work was conipleled, chinch bugs were run through the few additional summers to check on the preceding work, but in no case was it possible to improve very greatly the ])re- liminar\\- work, 'i'be author gave three-fourths of his lime to instruc- [4S7] 488 Illinois Naivral History Survey Bulletix tion or other duties ; his assistants were devoting most of their time to the engineering curricuhim.", "mime": "application/pdf"}, {"id": "inhs-277", "words": "76767", "extension": ".pdf", "flesch": "77", "author": "Miller, Robert; Tehon, L. R.", "title": "The Native and Naturalized Trees of Illinois", "date": "1929", "keywords": "america; ash; attains; bark; base; bear; beneath; black; branches; brown; buds; catkins; counties; county; cut; dark; diameter; distribution; elm; feet; fig; florida; flowers; forest; form; fruit; gray; green; growth; gum; hairy; height; hickory; history; illinois; inches; leaf; leaflets; leaves; light; like; linnaeus; locust; lumber; maple; narrow; new; north; northern; oak; oaks; orange; oval; pale; petioles; pine; pistillate; pith; plate; quercus; ranges; red; river; round; scales; scars; seeds; size; slender; smooth; southern; southward; species; staminate; stand; state; stout; terminal; thin; tree; trunk; twigs; uses; wabash; white; wood; years; yellow", "summary": "In accordance with this plan there have been added to the 7.) kinds of trees growing there naturally S!\u00bb species of Illinois trees; to the 22 shrubs, 51 species; and to the IT woody climbers 1-1 species, making a total of 1G2 species and varieties of Illinois trees, To Illinois shrubs, and ol Illinois woody climbers\u2014a total of 2G() species and varieties of woody plants native to or naturalized in Illinois\u2014that are now established on Bird Haven. The Oaks Family Fagaceae Small to large trees with alternate, variously lolled or entire, usually deciduous leaves, which are disposed in 5 vertical ranks along the branch- lets.", "mime": "application/pdf"}, {"id": "inhs-278", "words": "28824", "extension": ".pdf", "flesch": "61", "author": "Frison, Theodore", "title": "Fall and Winter Stoneflies, or Plecoptera, of Illinois", "date": "1929", "keywords": "abdomen; adults; allocapnia; anal; apex; area; base; claassen; dorsal; extending; fall; fasciata; females; figure; genus; hind; illinois; length; like; lobe; march; margin; middle; new; nivalis; november; nymphs; oakwood; recta; river; segment; species; specimens; state; stoneflies; time; vivipara; water; wing; winter", "summary": "Ventral views of adult females: 29, Tarninptcri/x nivalis (Fitch), showing scars on coxae where tracheal appendages were attached to nymph; 30, titrophoptcnjx fasciata (Burmeister) show- ing lack of scars on coxae (no tracheal appendages in nymph). Ventral views of seventh and eighth abdominal segments of adult females: 70, A. recta (Claassen) ; 71, A. granulata (Claas- sen); 72. A. mystica Frison; 73, A. forbesi Frison; 74, A. viviijara (Claassen): 75, A. pygmaea (Burmeister) ; 76, Taeniopteryx ni- valis (Fitch) showing genital opening; 77, T. parvula Banks, show- ing genital opening.", "mime": "application/pdf"}, {"id": "inhs-279", "words": "31357", "extension": ".pdf", "flesch": "65", "author": "Tehon, L. R.; Stout, Gilbert", "title": "Epidemic Diseases of Fruit Trees in Illinois 1922-1928", "date": "1930", "keywords": "apple; attack; average; blight; cent; data; disease; disease attack; disease intensity; fruit; fruit disease; fruit intensity; fruit trees; index; indexes; intensity; intensity index; leaf; leaf disease; leaf intensity; number; peach; prevalence; records; rot; scab; table; twig; year", "summary": "tree diseases attain annually. In 1925, a year known among commercial growers for the very small amount of apple tree disease, there appears actually to have been a total manifestation of disease large enough to rank third among the years covered by our observations ; ])ut it will be seen that this is due entirely to an increase in twig disease to nearly three times its amount in the preceding year, and that the intensities of leaf and fruit attack, the latter especially noticed by the orchardist, decreased to approxi- mately one-half and one-third, respectively, of their preceding amounts.", "mime": "application/pdf"}, {"id": "inhs-280", "words": "27111", "extension": ".pdf", "flesch": "63", "author": "Tehon, L. R.", "title": "Epidemic Diseases of Grain Crops in Illinois, 1922-1926: The Measurement of Their Prevalence and Destructiveness and An Interpretation of Weather Relations Based on Wheat Leaf Rust Data", "date": "1927", "keywords": "acreage; acres; attack; average; barley; cent; counties; county; crops; data; destructiveness; disease; field data; fields; figure; grain; illinois; indexes; infection; leaf rust; number; oats; prevalence; rust; rust data; state; stem rust; survey; temperature; total; wheat; year", "summary": "A standard was devised by N. A. Cobb in 1892, which he used extensively and successfully while studying rust diseases of grains in Australia. The same grouping is utilized conveniently in the analyzing of plant disease data in connection with agricultural statistics.", "mime": "application/pdf"}, {"id": "inhs-281", "words": "30398", "extension": ".pdf", "flesch": "71", "author": "Telford, C. J.", "title": "A Manual of Woodlot Management", "date": "1927", "keywords": "acre; average; black; bulletin; chicago; co.; coal; coal co.; conditions; cordwood; cottonwood; county; cut; diameter; farm; feet; foot; forest; growing; growth; history; illinois; inches; land; logs; lumber; management; natural; oak; planting; posts; production; products; returns; seed; seedlings; soil; species; stand; stock; survey; table; ties; timber; trees; woodlot; years", "summary": "show the relative values of the commoner soil types for tree growth and the relative growth rates of the species commonly found on each soil type. Although from 60 to 80 per cent of the trees which start will not be carried to maturity, these trees perform the useful service of shading the forest floor and preserving moisture conditions decidedly beneficial to soil enrichment as well as to tree growth ; and, in addition, by lateral crowding of the select trees during their immaturity, these others force them to rapid height growth and development into trees of good form.", "mime": "application/pdf"}, {"id": "inhs-282", "words": "3087", "extension": ".pdf", "flesch": "68", "author": "Thompson, David", "title": "An Epidemic of Leeches on Fishes in Rock River", "date": "1927", "keywords": "buffalo; epidemic; fishes; leeches; mouth; numbers; river", "summary": "196 Illinois Natural History Survey Bulletin Thin fishes usually bore more leeches than fat ones. An Epidemic of Leeches on Fishes in Rock River BY DAVID H. THOMPSON PRINTED BY AUTHORITY OF THE STATE OF ILLINOIS URBANA.", "mime": "application/pdf"}, {"id": "inhs-283", "words": "11803", "extension": ".pdf", "flesch": "75", "author": "Eddy, Samuel", "title": "The Plankton of Lake Michigan", "date": "1927", "keywords": "bay; c. m.; chicago; clair; collections; dunes; genus; july; lake; lake erie; lake michigan; lake st; o o; oct; park; plankton; snow; species; traverse; water", "summary": "=\u00bb 1/3O O 00o o o o oo o oo o o o o oo o o o_ o o o o cTO lO oO (M O o oo oo o o oo o o oo oo o o o o oo o o oO =; LS O o o o o o <^ o oo oO CM o o oo o o ITS O O o o o i^ o o US CO li3 o o o Ci o oO CO (X ^\u2022s J3 m Cfi I ~ M IS 3 O S fe ^", "mime": "application/pdf"}, {"id": "inhs-284", "words": "7681", "extension": ".pdf", "flesch": "70", "author": "English, L. L.", "title": "Some Properties of Oil Emulsions Influencing Insecticidal Efficiency", "date": "1928", "keywords": "ability; angle; aphids; cent; contact; emulsion; illinois; liquid; oil; scale; soap; spray; stability; water; wetting", "summary": "The properties of oil emulsions which have been found to be import- ant and which will be discussed are: Some Properties of Oil Eiivlsions 255 Conclusions Emulsifying agents used in making oil emulsions for spray purposes vary in wetting ability, as measured by Stellwaag's angle-of-contact method, and consequently cause variations in the effectiveness of the emul- sions.", "mime": "application/pdf"}, {"id": "inhs-285", "words": "4840", "extension": ".pdf", "flesch": "72", "author": "Porter, B. A.; Chandler, S. C.; Sazama, R. F.", "title": "Some Causes of Cat-facing in Peaches", "date": "1928", "keywords": "bugs; cat; curculio; facing; feeding; illinois; injury; insects; peaches; plant; stink", "summary": "Peaches injured in cages by Tarnished Plant Bug. Illinois. Graphs showing numbers of Tarnished Plant Bug and Plum Curculio caught on sheets by early-morning jarring of 10 unsprayed peach trees, Carbondale, Illinois.", "mime": "application/pdf"}, {"id": "inhs-286", "words": "4210", "extension": ".pdf", "flesch": "49", "author": "Forbes, Stephen", "title": "The Biological Survey of a River System--- Its Objects, Methods and Results", "date": "1928", "keywords": "feet; fishes; illinois; miles; plankton; river; rock; state; stream; survey; water", "summary": "This proposal being imanimously apjiroved bv our board of control, it thus became the j)ermanent charter of our aquatic operations in Illinois, and in accordance with it we transferred our principal activities as a new- project to the Rock River system, to which area I have now to ask yoiu' attention. Rock River, which enters Illinois from Wisconsin somewhat east of the middle point of the common Ijoundary and swings thence in a fairly even curve to the south and west to em])tv into the Mississip])i at Rock Island, is one of the most beautiful, interesting, and popular streams in Illinois, quite unlike any other important river in the state, excepting [jerha])s the Fox, which flows through a similar territory.", "mime": "application/pdf"}, {"id": "inhs-287", "words": "10686", "extension": ".pdf", "flesch": "63", "author": "Thompson, David", "title": "The \"Knothead\" Carp of the Illinois River", "date": "1928", "keywords": "bones; carp; fishes; food; growth; illinois river; knothead carp; knotheads; malformation; middle; natural; normals; numbers; opercles; oxygen; peoria; survey; vitamin; water", "summary": "The spines of knothead carp are often thicker laterally than those from normal carp of the same size, especially in the more distal portions. The Knothead Carp of the Illinois River 307 Calculated from the data in Table \\T, the average individual growth rate of normal carp is about 11 ounces a year^ and that of knothead carp is only about 6 ounces a year.", "mime": "application/pdf"}, {"id": "inhs-288", "words": "8240", "extension": ".pdf", "flesch": "55", "author": "Tehon, L. R.", "title": "Methods and Principles for Interpreting the Phenology of Crop Pests", "date": "1928", "keywords": "climate; conditions; data; disease; figure; illinois; leafhopper; line; rainfall; range; region; temperature; thermohyets; weather; wilt; year", "summary": "IXTERPRETIXG THE PheNOLOGT OF CROP PeSTS 425 data which would be even more apparent if the points plotted from the data to delineate the regions A and B had been retained : yet for this ap- parently serious discrepancy the only explanation that needs to be made is that the type of disease data, and the sources drawn upon for them, rendered it exceedingly difficult for ^lartin to make unfailingly correct classifications of his yearly records. There is need, therefore, of more extensive and complete knowledge of distribution, of the extent and intensity of plant disease and insect in- vasions, and especially of suitable means to express these things exactly in their relation to climate and to weather.", "mime": "application/pdf"}, {"id": "inhs-289", "words": "6920", "extension": ".pdf", "flesch": "63", "author": "Smith, Frank", "title": "An Account of Changes in the Earthworm Fauna of Illinois and a Description of One New Species", "date": "1928", "keywords": "anterior; collections; illinois; location; new; numbers; pores; species; specimens; state; stream; urbana; writer; years", "summary": "Some kinds found infrequently or not at all in the earlier years have become abundant in some areas in which there has been a corresponding decrease in other species. Like variability has been noted by certain other writers and myself in the location of these pores in other species of Lumbricidae.", "mime": "application/pdf"}, {"id": "inhs-290", "words": "6249", "extension": ".pdf", "flesch": "66", "author": "Flint, W. P.; Larrimer, W. H.", "title": "The Hessian Fly and the Illinois Wheat Crop", "date": "1928", "keywords": "average; date; fly; hessian; infestation; infestation november; oct; sept; wheat; yield", "summary": "The direct relationship of fly infestation and wheat yield ap- pears very clearly in the graphs of Figure 5, which are made from aver- ages for the six years. 4. aiap of Illinois showing normal relatively fly-free dates for wheat seeding.", "mime": "application/pdf"}, {"id": "inhs-291", "words": "33558", "extension": ".pdf", "flesch": "59", "author": "Richardson, R. E.", "title": "The Bottom Fauna of the Middle Illinois River, 1913-1925: Its Distribution, Abundance, Valuation, and Index Value in the Study of Stream Pollution", "date": "1928", "keywords": "average; beardstown; cent; channel; chillicothe; conditions; copperas; creek; current; dam; fauna; fishes; food; foot; groups; havana; history; illinois river; increase; kinds; leeches; liverpool; lower; middle lake; middle peoria; miles; numbers; oxygen; pekin; peoria lake; pollutional; reaches; section; species; summer; survey; total; upper; upper peoria; vol; water; years", "summary": "In the summer of 1914, when the small bottom fauna and the fish fauna of the central portion of the Illinois River, between the head of Upper Peoria Lake and the Lagrange Dam, were both in all their larger features for practical purposes normal, the population of the City of Chicago, more than l4o miles above the head of Peoria Lake, was estimated as 2,437,526, and the population equivalent of the wastes from animals slaughtered at the Chicago Stock Yards was approximately 869,000 persons additional. In 1915, Spltacriidac occurred in numbers large enough to atfect valu- ations importantly in only three of the eight sections here recognized ; viz., in Upper Peoria Lake, where they made up 43 per cent of the total on the average; in the first section below Peoria Lake (Peoria and Pekin Union Railwav bridge to Pekin) where they contributed 31 per cent; and in the rich Liver]iool-to-Havana section, where the percentage was also 31.", "mime": "application/pdf"}, {"id": "inhs-292", "words": "25755", "extension": ".pdf", "flesch": "70", "author": "Telford, Clarence", "title": "Third Report on a Forest Survey of Illinois", "date": "1926", "keywords": "acre; area; average; bottomland; cent; counties; county; feet; forests; growth; hickory; illinois; loam; maple; oak; oak type; region; river; soils; species; stands; state; timber; trees; type; upland; white; wood; years; yellow", "summary": "The lower yield per acre in Illinois forests is due to their predominantly hardwood character\u2014hard- woods averaging less than half the yield of conifers under similar con- ditions. Per- haps 22,000 acres of virgin forest, about one township, remain of the original 15,310,205 acres of Illinois forests.", "mime": "application/pdf"}, {"id": "inhs-293", "words": "5785", "extension": ".pdf", "flesch": "68", "author": "Chandler, S. C.; Flint, W. P. ; Huber, L.L.", "title": "Recent Insecticide Experiments in Illinois with Lubricating Oil Emulsions", "date": "1926", "keywords": "bordeaux; cold; emulsions; lime; oil; scale; soap; sulfur; water", "summary": "The theory of emulsion lOS The use of a solid as an emulsifier 106 The use of soap as an emul.sifier 106 Increa.se in volume of boiled emulsions 108 De-emulsiflcation 109 Combination of oil emulsion witli other materials Ill Comparison of boiled emulsions with lime sulfur and various miscible oils 112 Experiments in Hartline orchards, Anna, 111., winter of 1923-24. . . , 113 A comparison of oils for oil emulsion 119 A comparison of boiled fish-oil-soap emulsions and cold-mixed emulsions..", "mime": "application/pdf"}, {"id": "inhs-294", "words": "4473", "extension": ".pdf", "flesch": "80", "author": "McAtee, W. L.", "title": "Notes on Homoptera from Illinois, with Descriptions of New Forms, chiefly Eupteryginae", "date": "1926", "keywords": "april; aug; heath; july; red; sept; urbana; var; white", "summary": "E. maculata var. E. maculata var.", "mime": "application/pdf"}, {"id": "inhs-295", "words": "73220", "extension": ".pdf", "flesch": "75", "author": "Frison, Theodore", "title": "A List of the Insect Types in the Collections of the Illinois State Natural History Survey and the University of Illinois", "date": "1927", "keywords": "a. a.; a. girault; a. hart; a. p.; ace; algonquin; amer; april; ashmead; august; balsam; c. a.; c. p.; chironomus; collection; condition; corvallis; county; creek; december; der; description; designation; dolerus; empria; ent; family; forbes; garrett; genitalia; genotype; genus; gillette; girault; hart; havana; hist; hood; illinois; illinois state; ithaca; j. r.; january; johnson; july; june; lab; lake; lectoallotype; lectotype; light; macgillivray; macgillivray bull; macgillivray ent; macgillivray journ; macgillivray univ; male; malloch; malloch bull; malloch ent; malloch proc; malloch trans; march; mcatee; mexico; nason; nat; new; nos; november; october; oregon; page; paratypes; proc; r. malloch; river; rohwer; september; slide; soc; species; state; state ent; surv; tenthredo; texas; type; urbana; van; var; vol; washington; weed; wulp; xiii; xlvi; york", "summary": "208 minuscula Van der Wulp, Leu- comelina 203 minusculus MacGillivray, Do- lerus 241 minuta MacGillivray, Acordule- cera 236 minuta MacGillivray, Euura. . . . The Department of Entomology of the University acquired the A. D. MacGillivray collection of Tenthredinoidea in 1924.", "mime": "application/pdf"}, {"id": "inhs-296", "words": "38578", "extension": ".pdf", "flesch": "62", "author": "Shelford, Victor", "title": "An Experimental Investigation of the Relations of the Codling Moth to Weather and Climate", "date": "1927", "keywords": "average; cent; codling; conditions; constant; curve; data; days; development; experiments; fig; generation; glenn; hour; humidity; larvae; line; mean; moth; number; period; pupae; pupation; rate; results; stage; table; temperature; temperature experiments; time; total; units; values; velocity; weather; \u00b0 f.", "summary": "Introduction, by Stephen A. Forbes 311 PART ONE: PREDICTION PROCEDURE The problem of predicting the appearance of the codling moth...... 315 Measurement of development 317 Definition of the unit of development 318 Procedure for predicting the time of emergence of moths 319 The use of temperature data alone 324 An example of estimation of seasonal progress 325 Abundance of late-pupating larvae in spring 326 Abundance of hibernated larvae as affected by weather of preceding autumn and winter 327 PART TWO: A BASIS FOR THE MEASUREMENT OF DEVELOPMENT Former methods of estimating progress in lite-history stages 328 Conditions affecting the rate of development 329 Methods of measurement of factors 330 Definitions of terms 330 Graphic representation of velocity 333 Order of experimentation 337 Interpretation of experimental data 337 Calculation of standard time 338 Effects of conditions other than temperature and humidity 350 Modification of normal developmental totals 356 PART THREE: METHODS OF EXPERIMENTATION AND CALCULA- TION Theory of thresholds and rates of development 357 Velocity curves 358 Evidences of the nature of the velocity curve 359 Evidences of a constant total in metabolism . This differ- ence is not surprising, for under treatment which did not differ, larvae in one case pupated when put at 85\u00b0 F. or other temperatures suitable for pupation, as early as December 19, but in other cases did not pupate until March.", "mime": "application/pdf"}, {"id": "inhs-297", "words": "881", "extension": ".pdf", "flesch": "71", "author": "Spooner, C. S.", "title": "A Study of the Catalase Content of Codling Moth Larvae", "date": "1927", "keywords": "catalase; larvae", "summary": "It seems reasonable to suppose that there is a gradual increase in catalase content up to the time of pupation. Catalase content is directly correlated with the health and continued life of larvae.", "mime": "application/pdf"}, {"id": "inhs-298", "words": "5513", "extension": ".pdf", "flesch": "46", "author": "Forbes, Stephen", "title": "The General Entomological Ecology of the Indian Corn Plant", "date": "1927", "keywords": "adaptations; corn; corn plant; food; insect; life; plant; species; strawberry", "summary": "Such adaptations to corn as we get glimpses of are almost without exception adaptations to considerable groups of food plants, in which corn is included\u2014some of these groups select and definite, like the families of the grasses and the sedges to which the chinch-bug is strictly limited, and others large and vague, like the almost unlimited food resources of the larvje of Lachnosterna and Cyclocephala under ground. Those fixed peculiarities of habit or behavior which adapt an insect to one food plant or class of food plants rather than to another we may call synethic adaptations, in the absence of any existing word applicable in this sense; local adaptations are those in which the usual haunts and places of resort of an insect species, how- ever determined, bring it into common contact with an available food ])lant, the frequency of this contact being quite independent of the de- gree of the fitness of such plant for its food ; biographical adaptations are those based on a correspondence between the life history of the in- sect and its organic food supply, such that the latter shall always be ac- cessible in sufficient quantity to meet the varying needs of the dependent insect at the various stages of its growth ; and numerical adaptations are the consequence of such an adjustment of the rate of insect multiplica- tion to the plants or animals of its food that only the unessential surplus of this food shall be appropriated, its maxinuini essential product being left undiminished.", "mime": "application/pdf"}, {"id": "inhs-299", "words": "10908", "extension": ".pdf", "flesch": "67", "author": "Flint, W. P.; Chandler, S. C.; Glenn, P. A.", "title": "The Apple Flea-weevil, Orchestes pallicornis Say (Order Coleoptera; Family Curculionidae)", "date": "1924", "keywords": "apple; beetles; burning; cent; flea; hibernation; illinois; leaf; leaves; orchard; read; spraying; summer; trees; weevils", "summary": "On unsprayed trees 236 weevils were counted on 1650 leaves and on sprayed trees 40 weevils on 2300 leaves ; or .143 and .018 weevils per leaf respectively\u2014a decrease of about 90 per cent, in the number of weevils. Adult weevils inclosed in cages attached to branches of apple trees the foliage of which had been sprayed on both sides with arsenate of lead usually all died within a week.", "mime": "application/pdf"}, {"id": "inhs-300", "words": "2581", "extension": ".pdf", "flesch": "84", "author": "McAtee, W. L.", "title": "Notes on a Collection of Erythroneura and Hymetta (Eupterygidae) chiefly from Illinois, with Descriptions of New Forms", "date": "1924", "keywords": "aug; heath; nov; read; red; var; yellow", "summary": "E. abolla var. varia, McAtee, red form.\u2014White Heath. E. morgani De Long, red form.\u2014White Heath, April 28, 1916.", "mime": "application/pdf"}, {"id": "inhs-301", "words": "44138", "extension": ".pdf", "flesch": "64", "author": "Chapman, Herman; Miller, Robert", "title": "Second Report on a Forest Survey of Illinois. The Economics of Forestry in the State", "date": "1924", "keywords": "acre; area; average; board feet; cent; coal; consumption; cost; crop; farm wood; farms; feet; forest; fuel; fuel wood; illinois; industries; land; lumber; oak; posts; prices; production; products; soil; southern; species; state; supply; ties; timber; total; trees; use; value; white; wood; wood crops; woodland; years", "summary": "In theory, land devoted to wood crops should remain in woodlands. This great reduction of cash outlay and labor costs permits the use for wood crops of practically every acre of 128 land which is too poor to yield profits in food production, and this use for forest crops promises to yield a profit or large return over and above the actual outlay in cash or labor, a return running into hundreds, even thousands per cent.", "mime": "application/pdf"}, {"id": "inhs-302", "words": "40141", "extension": ".pdf", "flesch": "73", "author": "Tehon, L. R.", "title": "A Preliminary Report on the Occurrence and Distribution of the Common Bacterial and Fungous Diseases of Crop Plants in Illinois", "date": "1924", "keywords": "acres; anthracnose; average; black; blight; brown; bushels; cent; control; counties; county; crop; disease; distribution; fields; fruit; illinois; infection; leaf; leaf rust; leaf spot; leaves; loss; losses; map; mildew; northern; occurrence; plants; present; production; rot; rust; seed; smut; spot; state; stem; table; trees; varieties; wheat; year; yield", "summary": "The next important step in the study of plant diseases is concerned with epidemiology\u2014the fluctuation in severity and abundance from year to year exhibited by all diseases. 237 Mycosphaerella leaf-spot 237 Dendrophoma leaf-spot 238 Leaf scorch 238 Control of fruit diseases 238 Diseases of vegetable crops 239 Potato 239 Early blight 239 Late blight 240 Scab 240 Black leg 240 Black scurf 241 Wilt 241 Curly dwarf, or mosaic 241 Tomato 241 Early blight 241 Wilt 242 Leaf spot 242 Sweet potato 243 Black rot 243 Wilt 244 Cantaloupe 244 Wilt 244 Anthracnose 245 Mosaic 245 Watermelon 245 Wilt 245 Anthracnose 247 Cucumber 247 Wilt ^ .", "mime": "application/pdf"}, {"id": "inhs-303", "words": "7658", "extension": ".pdf", "flesch": "58", "author": "Forbes, Stephen", "title": "The Lake as a Microcosm", "date": "1925", "keywords": "animal; entomostraca; fathoms; fishes; food; illinois; lakes; life; michigan; number; species; state; water", "summary": "Many FaJvata tri-carinata lacked the middle carina, as in Long Lake and other isolated lakes of this region. The amount and variety of animal life contained in them as well as in the streams related to them is extremely variable, depending chiefly on the frequency, extent, and duration of the spring and summer overflows.", "mime": "application/pdf"}, {"id": "inhs-304", "words": "7617", "extension": ".pdf", "flesch": "61", "author": "Richardson, Robert", "title": "Illinois River Bottom Fauna in 1923", "date": "1925", "keywords": "channel; collections; current; group; havana; illinois; kinds; lake; middle; miles; number; peoria; peoria lake; river; shore; species; upper; zones", "summary": "The principal increases in number of group II species in lower lake cross-sections over 1922 were not in the extra-channel zones, as in the * Includeti as an upper lake station for bettor comparison will) 1922 records. The number of group II species taken below- Havana was, however, only half as many in 1923 as in 1920, in a mileage considerablv greater, though with the number of collections less, run- ning to a total of only six species in thirteen collections covering thirty miles of river length in 1923, compared with twelve kinds in twenty-two collections from about 19 miles of river in the summer three years before.", "mime": "application/pdf"}, {"id": "inhs-305", "words": "4001", "extension": ".pdf", "flesch": "72", "author": "Thompson, David", "title": "Some Observations on the Oxygen Requirements of Fishes in the Illinois River", "date": "1925", "keywords": "fishes; ice; illinois; oxygen; parts; read; river; water", "summary": "In midsummer, down as far as Peoria and .sometimes below, except during high water, lack of dissolved oxygen excludes fishes from large feeding grounds and destroys large amounts of fish food. Some valuable determinations of dissolved oxygen in the channel were made by the State Water Survey on January 23 and 24 and on Feb- bruary (i and 7, 1925, which are published here for the first time.", "mime": "application/pdf"}, {"id": "inhs-306", "words": "28913", "extension": ".pdf", "flesch": "81", "author": "Alexander, Charles", "title": "An Entomological Survey of the Salt Fork of the Vermilion River in 1921, with a Bibliography of Aquatic Insects", "date": "1925", "keywords": "1903; 1905; 1909; 1911; 1912; 1913; 1917; 1919; 1921; abundant; adults; american; ann; aquatic; biol; bui; coleoptera; conditions; der; die; diptera; ent; fauna; figs; fly; fork; general; genus; habits; hemiptera; history; idem; illinois; insects; journ; kenntnis; larvae; life; mag; metamorphose; mus; naiades; nat; new; news; north; notes; nymphs; odonata; pis; proc; read; river; salt; soc; species; stages; state; station; stream; sur; trans; und; von; water; y. ent; zeitsch; zool; zur", "summary": "Idem, 3: 93-113, fig., pi. 1. 1911. Veliidae: R'liai/oz'cUci obcsa Uhl., adults and nymphs abundant.", "mime": "application/pdf"}, {"id": "inhs-308", "words": "19120", "extension": ".pdf", "flesch": "62", "author": "Richardson, Robert", "title": "Changes in the Small Bottom Fauna of Peoria Lake, 1920-1922", "date": "1925", "keywords": "channel; chillicothe; chironomus; cross; feet; group; illinois; kinds; lake; lake stations; lower; middle lake; opposite; oxygen; p. p.; peoria lake; read; river; section; snails; species; spring; stations; summer; tolerant; total; upper; var; waters", "summary": "The west littoral of the lower lake receives the discharge from most of the main sewers and industrial drains of a city of nearly 100,000 people, but although this is true, during the summer season 366 the prevailing direction of the winds and the current together seem to keep this soiHng material largely confined between the channel and the bank as far as the foot of the lake, where the first extensive mix- ing of lake water and local sewage appears ordinarily to take place. Erpobdella punctata was found only in the mixture of local sewage and lake water at the P. P. U. Bridge, below the foot of the lake, that and the occurrence in mid-channel at Chillicothe being the only records obtained anywhere in the summer of 1922.", "mime": "application/pdf"}, {"id": "inhs-309", "words": "4482", "extension": ".pdf", "flesch": "63", "author": "Forbes, Stephen; Gross, Alfred", "title": "The Orchard Birds of an Illinois Summer", "date": "1921", "keywords": "area; average; birds; illinois; mile; orchards; species", "summary": "The distances traveled on all these several journeys were 7.8 miles through farm orchards and 129 miles through commercial orchards, and in both cases all the birds on a strip sixty feet wide were deter- mined and counted. Orchards were much less numerous, especially in northern Illinois, than in the southern part of the state, the area of farm orchards covered aggregating only 3.69 acres for the northern and 14.14 for the central part of the state, the former .07 of 1 per cent, and the latter .3 of 1 per cent, of the whole area on which the birds were determined and counted.", "mime": "application/pdf"}, {"id": "inhs-310", "words": "5644", "extension": ".pdf", "flesch": "75", "author": "Smith, Frank", "title": "Distribution of the Fresh-water Sponges of North America", "date": "1921", "keywords": "collection; idem; lake; nat; new; species; spicules; sponges; spongilla; state; water; water sponges", "summary": "Some modifications observed in the form of sponge spicules. Serial arrangement of birotulate spicules in statoblasts of American sponges.", "mime": "application/pdf"}, {"id": "inhs-311", "words": "2275", "extension": ".pdf", "flesch": "67", "author": "Chandler, Stewart", "title": "A Study of the Malarial Mosquitoes of Southern Illinois: II. Operations of 1920", "date": "1921", "keywords": "breeding; herrin; mosquitoes; places; species; water", "summary": "The first two are distinctly salt-marsh species, very rarely found more than fifty miles from salt water. Low, swampy, wooded areas are fairly common in the mining sections of ^^'illiamson and Franklin comities ; and in this case the water in the swamp is kept replenished by waste water from the mines.", "mime": "application/pdf"}, {"id": "inhs-312", "words": "15633", "extension": ".pdf", "flesch": "76", "author": "Richardson, Robert", "title": "Changes in the Bottom and Shore Fauna of the Middle Illinois River and its Connecting Lakes since 1913-1915 as a Result of the Increase, Southward, of Sewage Pollution", "date": "1921", "keywords": "1913; acre; average; cent; channel; chillicothe; common; fauna; havana; illinois; lake; liverpool; lower; middle; mud; peoria; peoria lake; pounds; present; quiver; river; species; thompson; total; upper; weight; zone", "summary": "Composition, by weight, of the uranrl total.<i, an mud bottorns, 2 to U feet, pottnrls per acre -- -- Liverpool Lake Thompson Lake Dogfish Lake Quiver Lake 1915 1920 1915 1920 1914 1920 1914 1920 Viviparidae and Pleuro- ceridae 117.0 0 437.9 0 336.0 0 329.7 0 Sphaeriidae 3.7 0 15.6 4.0 10.1 0 16.7 0 Amnicolidae, Valvatidae, etc. 0.5 0 5.3 0 9.0 0 16.7 0 Cbironoroidae 25.6 2.2 8.3 3.6 29.6 8.6 5.5 12.3 Oligochaeta 0 13.6 0 4.5 0 4.4 0.4 1.6 Other insects, worms. Pleurocera sp .................. Channel of lower lake only.", "mime": "application/pdf"}, {"id": "inhs-313", "words": "58554", "extension": ".pdf", "flesch": "97", "author": "Stevens, F. L.", "title": "The Helminthosporium Foot-rot of Wheat, with Observations on the Occurrence of Saltation in the Genus", "date": "1922", "keywords": "agar; al o; altant; ar r; c d; c ii; chara t; cliff r; colony; conidia; d agar; d b; d ii; d m; d n; di h; diff r; e d; e f; e r; e t; f c; f d; f h; f ii; f m; f r; f rm; f th; f w; fig; fir t; fr m; fungi; g r; graph; graph f; grown; growth; h d; h lmintho; h n; h w; h. o.; ho t; ii t; ing; int r; l r; l t; length; lium; m c; m r; mo t; mu h; n b; n e; n f; n t; n th; n w; o r; o. t; oth r; p t; pap r; plate; porium; r al; r b; r c; r d; r di; r gion; r h; r ii; r n; r nc; r nd; r p; r port; r pr; r r; r ti; r u; r wa; rial; rot; t b; t c; t d; t f; t h; t m; t r; t t; t w; t wa; te t; ter; th c; th h; th m; th r; th t; thi; ti n; tion; tran; u d; u h; und r; v r; w r; wer; wh r; wheat; whi h; y r; y t; ~ t", "summary": "ignat d by dditional numb r. 1 hu _, 19 -7 r f r \u00b7 to rn lt ' nt ~o. 9 , trc n fer 7 . \u2022 HARA T ER . 90 Th tran fer t diff r nt t mp ratur mad no p re ptibl diff r nc m olon - haract r oth r than diff r nces d", "mime": "application/pdf"}, {"id": "inhs-314", "words": "22236", "extension": ".pdf", "flesch": "90", "author": "Forbes, Stephen; Gross, Alfred", "title": "On the Numbers and Local Distribution of Illinois Land Birds of the Open Country in Winter, Spring, and Fall", "date": "1923", "keywords": "abundant; acre; area; average; bird; blackbird; bluebird; cent; central; corn; crow; data; een; english; f r; fall; field; habitat; half; ident; illinois; ing; junco; lapland; lark; list; lllinoi; meadowlark; migrant; migration; mile; northern; number; outhern; p p; p r; pasture; prairie; quail; ratio; sparrow; species; square; state; thi; time; total; tree; trip; ummer; wheat; winter", "summary": "a;pa rrow X X X La plancl long pur V e. per \u2022 pu.1Tow X Tl':lsshopper parr w X Lark pa rrow Tree parrow X X X ' 272.", "mime": "application/pdf"}, {"id": "inhs-315", "words": "14375", "extension": ".pdf", "flesch": "79", "author": "Forbes, Stephen; Gross, Alfred", "title": "The Numbers and Local Distribution in Summer of Illinois Land Birds of the Open Country", "date": "1922", "keywords": "birds; blackbird; cent; central; dove; english; illinois; mile; mourning; northern; numbers; plate; red; southern; sparrow; species; state", "summary": "There was thus no small dis\u00ad tinctive group of pasture birds, such as were found in some other habi\u00ad tats, but the pasture was merely one of the preferred resorts of a rather long list of species, every one of which was, in fact, found in one or more other situations more frequently than there. The group of pasture birds thus gives the same indication of increased numbers in 1909 as do the combined data from all situa\u00ad tions.", "mime": "application/pdf"}, {"id": "inhs-316", "words": "59881", "extension": ".pdf", "flesch": "99", "author": "Glenn, P. A.", "title": "Codling-moth Investigations of the State Entomologist's Office: 1915, 1916, 1917", "date": "1922", "keywords": "a11cl; a11d; adults; ancl; apples; april; aug; august; ave1\u00b7age; average; brood; cage; cent; codling; collections; daily; data; date; days; degrees; develop111ent; development; eggs; emergence; f f; female; fi1\u00b7st; fron1; fruit; generation; hibernating; history; i11; individuals; july; june; l l; l t; larva; larvre; left; length; life; males; maximum; moth; number; observations; olney; ozark; period; points; pupa; pupre; rate; relation; season; sept; springfield; stages; t t; table; temperature; time; tl1at; tl1e; tl1is; total; tree; variations; vas; vere", "summary": "I \u2022 \u2022 \u2022 \u2022 \u2022 \u2022 \u2022\u2022 I \u2022\u2022 ' \u2022 \u2022 \u2022\u2022 , \u2022 \u2022 r-< t . t , 1 \u2022 ' .. ' ., r \u2022 \u2022 t t \u2022 t , t.. 1 \u2022\u00b7 t ' , I t \u2022 \u00b7 4 ' \u2022 +H+l+tttt+ttlHtttttttl+lttl Wt ... \u00b7 ,-\u00b7\u2022j'\u00b7' -\u00b7\u00b7\u00b7\u00b7 4j \u00b7\u00b7\u00b7r\u2022\u2022\u00b7t: \u2022 'T:-\u00b7\u00b7.=1 \u00b7\u00b7~\u00b7\u00b7\u00b7\u00b7\u00b7 \u2022111\u2022\u2022 - \u2022 :1-r 'LIi :!\u2022 ~ J\u00b7 \u2022\u2022 I I \u00b7'I \u2022", "mime": "application/pdf"}, {"id": "inhs-319", "words": "34567", "extension": ".pdf", "flesch": "88", "author": "Miller, Robert", "title": "First Report on a Forestry Survey of Illinois", "date": "1923", "keywords": "acres; alto; area; average; bark; beech; black; board; bottomland; coal; county; cut; cypress; diameter; feet; fire; forest; good; growth; gum; hickory; high; illinois; inches; land; length; log; logs; lumber; maple; mill; oak; plate; railroad; red; region; river; rule; soil; species; state; table; ties; timber; time; total; trees; type; upland; veneer; volume; white; wood; years; yellow", "summary": "I 3o section years bark bark bark wood sap- length length length height high feet inches inches inches years wood feet feet feet feet inches --,---,---1---1-- -1---\u2022---\u2022---1 - - - 1---1----1----1----l----l----i----l----l----l----l----.J---- 1 . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Another fact empha ized by one of our field party is the injury to other tree by a reduction in the density of stocking.", "mime": "application/pdf"}, {"id": "inhs-322", "words": "7454", "extension": ".pdf", "flesch": "76", "author": "Shelford, Victor", "title": "The Determination of Hydrogen Ion Concentration in Connection With Fresh-Water Biological Studies", "date": "1923", "keywords": "alkalinity; co2; concentration; fish; fishes; hydrogen; hydrogen ion; ion; ion concentration; ions; oxygen; pond; river; table; water", "summary": "The influence of Hydrogen ion concentration on fertilization, development, growth, and survival in water deficient in dissolved oxygen . . . . . . . . . 381 Reactions of fish to differences in hydrogen ion concentrations.......... 385 An examination of certain Illinois waters with special reference to hydro- gen ion concentration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .", "mime": "application/pdf"}, {"id": "inhs-323", "words": "10213", "extension": ".pdf", "flesch": "55", "author": "Malloch, J. R.", "title": "The North American Species of the Genus Tiphia (Hymenoptera, Aculeata) in the Collection of the Illinois State Natural History Survey", "date": "1918", "keywords": "apex; basal; broad; clypeus; dorsal; half; margin; portion; punctate; punctures; segment; species", "summary": "Apex of third cubital cell much distad of apex of marginal; occiput densely punctate, so that there are behind eyes no glossy spaces between the punctures; basal dorsal abdominal segment with a broad shallow post- marginal depression occiclentata, Punctures on pygidium ceasing at, or slightly beyond, middle of exposed surface; ventral surface of pronotum doubly punctate only on margins.. 6 Declivitous portion of basal dorsal abdominal segment doubly punctate on its entire surface, the minute punctures very closely placed, the large ones widely placed", "mime": "application/pdf"}, {"id": "inhs-324", "words": "6487", "extension": ".pdf", "flesch": "75", "author": "Shelford, Victor", "title": "Ways and Means of Measuring the Dangers of Pollution to Fisheries", "date": "1918", "keywords": "acid; animals; biol; bull; fish; fishes; jour; resistance; shelford; state; water; wells", "summary": "Utilization of fish waste. Fish waste, past and present.", "mime": "application/pdf"}, {"id": "inhs-325", "words": "2780", "extension": ".pdf", "flesch": "69", "author": "Smith, Frank", "title": "A New North American Oligochaete of the Genus Haplotaxis", "date": "1918", "keywords": "anterior; fig; somites; species; specimens", "summary": "The vascular system much resembles that already described for other species. Ordinary nephridia like those described in other species of the genus are found in 12-14 and 4G in 18 and the following somites (PI.", "mime": "application/pdf"}, {"id": "inhs-328", "words": "1954", "extension": ".pdf", "flesch": "74", "author": "Kindred, James", "title": "A Representative of the Genus Trichodrilus from Illinois", "date": "1918", "keywords": "diameter; pair; pores; setae", "summary": "Nephridia in 8, 14, 22, etc., irregularly distributed, and extending into other somites. on pair of genital papillae, posterior to ventral setae.", "mime": "application/pdf"}, {"id": "inhs-330", "words": "7251", "extension": ".pdf", "flesch": "57", "author": "Forbes, Stephen; Richardons, Robert", "title": "Some Recent Changes in Illinois River Biology", "date": "1919", "keywords": "average; canal; cent; illinois; illinois river; lake; river; stream; water; years", "summary": "After calling attention to the fact that the fishery of the Illinois River is more valuable than that of any other fresh-water river fishery in the United States, and is exceeded only by the Great Lakes and the salmon industry of the Pacific coast, and that, owing mainly to reclamation oper- ations, the yield of the river has lately been reduced to about a third that previously reported, they say : It would seem, however, that there is prospect of a good profit by intelligent fish culture in the ponds and water courses remaining within the levee districts, provided that the industry is carried on as an adjunct to farming in much the same way that poultry is ordinarily raised upon the farm. Such conditions occurred in their earlier f^hases between Lockport and Morris before 1900 at low water; but in 1911 not until somewhere between Marseilles and Spring Valley ; while optimum conditions for green plankton apparently occurred at or above LaSalle before 1900, but in 1911 not much if any above Chillicothe, and in 1918 not much above Peoria.", "mime": "application/pdf"}, {"id": "inhs-331", "words": "27981", "extension": ".pdf", "flesch": "71", "author": "Hart, Charles", "title": "The Pentatomoidea of Illinois with Keys to the Nearctic Genera", "date": "1919", "keywords": "angles; anterior; apex; base; black; collection; color; distinct; female; fig; head; hind; illinois; june; key; lateral; line; male; margin; median; middle; near; nymphs; pale; plate; pronotum; punctures; scutellum; second; segment; species; specimens; ventral; vol; wing", "summary": "Vol. 4, p. 100. 1794. Vol. 3, p. 207. 1883.", "mime": "application/pdf"}, {"id": "inhs-332", "words": "13036", "extension": ".pdf", "flesch": "66", "author": "Van Cleave, H. J.", "title": "Acanthocephala from the Illinois River, with Descriptions of Species and a Synopsis of the Family Neoechinorhynchidae", "date": "1919", "keywords": "acanthocephala; body; circle; diameter; embryos; female; fig; fish; genus; gravid; hooks; host; intestine; middle; nuclei; proboscis; species; specimens; type; writer", "summary": "It has been found that while a given species of parasite occurs in large num- bers in certain host species it has been found occasionally in small num- bers, frequently singly, in the intestine of different host species. Type species, Octospinifcr luacilcntus.", "mime": "application/pdf"}, {"id": "inhs-333", "words": "9924", "extension": ".pdf", "flesch": "86", "author": "Stevens, F. L.", "title": "Foot-rot Disease of Wheat- Historical and Bibliographic", "date": "1919", "keywords": "abs; agr; austral; cause; des; die; disease; e. s.; foot; fungus; jour; leptosphaeria; mycelium; ophiobolus; rot; s. r.; stem; takeall; wheat", "summary": "Field experiments with wheat diseases. Wheat diseases.", "mime": "application/pdf"}, {"id": "inhs-334", "words": "5764", "extension": ".pdf", "flesch": "71", "author": "Flint, Wesley; Malloch, John", "title": "The European Corn-borer and Some Similar Native Insects", "date": "1920", "keywords": "borer; corn; ear; fig; nubilalis; plants; pyrausta; species; stems", "summary": "Careful examinations have already been made in the vicinity of all canning factories where such corn was known to have -been re- ceived, but so far no trace of the insect has been found in Illinois. Moths of the third generation appear about the time that the late and medium-late com is in the fresh silk stage, and deposit their eggs in large numbers on the silks of such corn.", "mime": "application/pdf"}, {"id": "inhs-335", "words": "6887", "extension": ".pdf", "flesch": "71", "author": "Chandler, Stewart", "title": "A Study of the Malarial Mosquitoes of Southern Illinois: I. Operations of 1918 and 1919", "date": "1920", "keywords": "anopheles; breeding; carbondale; class; fig; illinois; larvae; malaria; mosquitoes; places; town; water", "summary": "However, if it is desired to control other mosquitoes than the malaria carriers, an applica- tion once a week is necessary. This place (Fig. 3) produced many malarial mosquitoes.", "mime": "application/pdf"}, {"id": "inhs-336", "words": "3968", "extension": ".pdf", "flesch": "71", "author": "Davis, John", "title": "New Species and Varieties of Phyllophaga", "date": "1920", "keywords": "fig; genitalia; punctate; punctures; segment; species; view", "summary": "It has been designated in the writer's de- terminations as new species a. It has been designated in the writer's determinations as new species c.", "mime": "application/pdf"}, {"id": "inhs-337", "words": "1524", "extension": ".pdf", "flesch": "71", "author": "Flint, Wesley", "title": "Further Tests of Dry Sulfur Compounds for the Control of the San Jose Scale", "date": "1920", "keywords": "gallons; sulfur; trees; water", "summary": "[ Good Niagara soluble sulfur, 12 1^ pounds to 50 gallons water Excellent B. T. S., 14 pounds to 50 gallons water Pair Sherwin-Williams dry lime-sulfur, 15 pounds to 50 gallons water Dow dry lime-sulfur, 15 pounds to 50 gallons water ( * ) Scalecide, 1 gallon to 15 gallons water Excellent Check: unsprayed Material failed to arrive in time for application Excellent Good Excellent Excellent Excellent Excellent In the above table the terms tised indicate that a plot graded as Fair showed a considerable number of live scales present on all parts of the tree and fruit ; Good indicates scattered living scales fairly easy to find, but not numerous enough to cause marked blemishes on the fruit or injury to the trees ; and Excellent indicates living scales difficult to find and no blemishes on the fruit. In this way, a very thorough appli- cation was made to all parts of the trees, about eleven gallons of solution being used per tree.", "mime": "application/pdf"}, {"id": "inhs-338", "words": "5381", "extension": ".pdf", "flesch": "67", "author": "Malloch, J. R.", "title": "Forest Insects in Illinois: I. The Subfamily Ochthiphilinae (Diptera, Family Agromyzidae)", "date": "1921", "keywords": "black; fig; gray; leucopis; male; section; species; thorax; vein", "summary": "Small species, barely over 1 mm. in length; thorax and abdomen lead-gray pruinescent; fore tarsi entirely, mid and hind pairs except base of metatarsi, black minor, sp. n. \u2014 Larger species, averaging 2 mm. in length, thorax and abdomen whitish gray pruinescent; fore metatarsus yellow at extreme base, the other tarsi with at least the basal two segments yellowish americana, sp. n. Descriptions and Records of Illinois Species Leucopis pemphigae, sp. n. Male and Female.\u2014Black, opaque, densely whitish gray pruinescent, Frons slightly rufous anteriorly, but only noticeably so when the surface has been wet, in well-preserved specimens densely whitish gray pruines- cent ; basal two antennal segments yellow, third deep black, slightly gray pruinescent; palpi black. or over in length; thorax with two faint brown vittae; basal abdominal tergite black except along posterior margin, second with two small round black spots, third and and fourth each with a central black spot on anterior margin liella Loew \u2014 Smaller species, less than 2 mm. in length; thorax without distinct vittae; basal abdominal tergite bronzy fuscous except laterally, second with two large poorly defined bronzy fuscous submedian spots on anterior margin simplex Loew 10.", "mime": "application/pdf"}, {"id": "inhs-339", "words": "23214", "extension": ".pdf", "flesch": "62", "author": "Richardson, Robert", "title": "The Small Bottom and Shore Fauna of the Middle and Lower Illinois River and its Connecting Lakes, Chillicothe to Grafton: its Valuation; its Sources of Food Supply; and its Relation to the Fishery", "date": "1921", "keywords": "acre; average; channel; chillicothe; collections; copperas; creek; dam; fauna; feet; foot; havana; illinois; illinois river; lagrange; lakes; lbs; miles; peoria; pounds; river; total; water; weight; zone", "summary": "Thanks are also due Dr. Edward Bartow, Chief of the State Water Survey, for his interested cooperation in obtaining the san- itary chemical analyses of river waters in 1914; and to Prof. S. W. Parr for supervising the analysis of the bottom mud samples taken that year and the year preceding. Comparison of such data as we have for the season of 1913 with the more complete results obtained in 1915 indicates generally a quite satisfactory correspondence both in average composition and size of the bottom-fauna stocks in the longer reaches of river channel between Chillicothe and the Kampsville dam, both series of collections bringing out clearly the contrast between the more productive reaches of channel above Havana and the decidedly poorer stretches below.", "mime": "application/pdf"}, {"id": "inhs-340", "words": "18561", "extension": ".pdf", "flesch": "60", "author": "Sampson, Homer", "title": "An Ecological Survey of the Prairie Vegetation of Illinois", "date": "1921", "keywords": "andropogon; andropogon furcatus; areas; associations; chicago; conditions; drainage; factors; flood; forest; furcatus; grass; grasses; illinois; panicum; plain; plants; prairie; prairie associations; prairie plants; prairie soils; present; region; sand; soil; species; state; succession; vegetation; water", "summary": "Indeed the dynamic and genetic relationship of plant associations was not fully appreciated until Cowles (4) pointed out its significance in 1890. While the origin of this prairie dates back to the changes in climate following the uplift of the Rocky Mountains and subsequent changes during and following the glacial period, the factors limiting its present distribution are to be found in the present climatic and edaphic conditions together with the biotic factors which affect succession from prairie to forest associations.", "mime": "application/pdf"}, {"id": "inhs-341", "words": "7042", "extension": ".pdf", "flesch": "62", "author": "Ullrich, Fred", "title": "The Relation of Evaporation and Soil Moisture to Plant Succession in a Ravine", "date": "1915", "keywords": "c.c; evaporation; fig; moisture; page; ravine; slope; soil; stations", "summary": "Since all of these stations are located near the floor and represent successional stages in ravine development, the data suggest a movement from moderate moisture conditions in the em- bryonic ravine to greater moisture in the narrow portion, with a reversion to slightly drier conditions as the ravine changes from the V-shaped to the U-shaped type. for broad ravine, narrow ra- vine, and gully slope were, in the order named, 28.3, 24.1, and 17.7.", "mime": "application/pdf"}, {"id": "inhs-348", "words": "57009", "extension": ".pdf", "flesch": "62", "author": "Mosher, Edna", "title": "A Classification of the Lepidoptera Based on Characters of the Pupa", "date": "1917", "keywords": "abdomen; abdominal; abdominal segments; antennae; appendages; body; body segments; body setae; body surface; caudal; caudal end; caudal margin; caudal segments; caudal setae; cephalic; cremaster; distinct; dorsal; dorsum; extending; families; family; fig; genera; group; half; head; hiibner; labial; lateral; legs; length; long; male; maxillae; maxillary; meson; mesothoracic; palpi; present; prothoracic; pupae; ridge; row; segments; setae; species; spines; surface; suture; tenth; tubercles; ventral; view; wings", "summary": "Abdominal segments 3-6 movable in the- female and 3-7 in the male; dorsirm of abdominal segments armed with a toothed ridge along each margin ; sexes similar Cossidae. Abdominal segments 2-7 movable ; dorsum of abdominal segments with a covering of spines on the caudal part ; maxillae more than twice as long as the labial palpi. .", "mime": "application/pdf"}, {"id": "inhs-352", "words": "95172", "extension": ".pdf", "flesch": "64", "author": "Malloch, John", "title": "A Preliminary Classification of Diptera, Exclusive of Pupipara, Based Upon Larval and Pupal Characters, with Keys to Imagines in Certain Families: Part I.", "date": "1917", "keywords": "abdomen; antennae; anterior; apex; apical; apices; armature; basal; base; black; body; bristles; brown; characters; consisting; distinct; dorsal; dorsal segment; dorsal view; dorsum; extending; families; family; fig; figure; form; genera; genus; habits; hairs; head; illinois; imagines; key; larvae; lateral; legs; length; like; line; mandibles; margin; middle; north; number; organs; pair; palpi; paper; plate; portion; posterior; present; processes; protuberances; pupa; respiratory; second; segment; series; slender; small; species; spines; spiracles; state; stout; surface; thoracic; thoracic segments; thorax; thorns; transverse; upper; vein; ventral; view; vol; wings; yellow", "summary": "Apical abdominal segment with 6 radiating protuberances, which are rarely poorly developed but frequently unequally so; body segments with regularly placed bristles, as shown in Figure 1, Plate XXVIII ; head heavily chitinized, dorsally slightl.y arcuate and with 2 longitudinal slits, veutrally slightly rounded and with a central slit; antennae longer than maxillary palpi ; labium pointed, not divided into 2 plates, the anterior margin dentate; mandibles very stout, with only 2 teeth (at apex) in species with- out apical processes Tipulidae (p. 191). Apical abdominal segment with long, slender respiratory tube .... Ptychopteridae (p. 238).", "mime": "application/pdf"}, {"id": "inhs-353", "words": "70022", "extension": ".pdf", "flesch": "65", "author": "Garman, Philip", "title": "The Zygoptera, or Damsel-flies, of Illinois", "date": "1917", "keywords": "abdomen; adult; apex; appendages; base; black; blue; broad; brown; buff; caudal; cephalic; color; cross; dark; dorsal; dorsum; extending; femora; fig; figs; gills; green; half; head; hind; hind wings; labium; lateral; length; line; lobe; male; margins; median; median lobe; narrow; nymphs; pale; second; segment; setae; species; spots; stripe; suture; terga; tergum; thorax; veins; ventral; width; wings; yellow; zygoptera", "summary": "Abdomen : first tergum similar to that of the male ; second, blue, with a dorsal black spot near the caudal margin and the lateral mar- gins pale; terga 3-6 black with pale lateral margins; terga 7-10 pale blue with black lateral margins; anal appendages of the usual type; ovipositor with broad lateral styles. Abdomen blue and black; first tergum with small basal and smaller lateral black spots; second tergum blue with a subelliptical apical spot and an apical ring; terga three, four, and five with apical spots connected with the apical rings; apical half of the sixth and about four-fifths of the dorsum of the seventh with broad black stripes expanded caudad but not reaching the margins of the terga ; terga eight and nine pale; dorsum of ten black, the caudal margin distinctly- incised on the meson, the lateral surfaces of the segment pale yellow; first sternum pale, 3-8, inclusive, black; anal appendages (Figs. 201, 208) black and brown, the superiors short, bent ventrad and some- what acute at the apex ; inferiors much longer than the superiors and black at the tips.", "mime": "application/pdf"}, {"id": "inhs-354", "words": "13357", "extension": ".pdf", "flesch": "54", "author": "Adams, Charles", "title": "An Outline of the Relations of Animals to their Inland Environments", "date": "1915", "keywords": "activity; air; animal; association; changes; chemical; conditions; development; energy; environment; influence; land; page; processes; responses; study; water", "summary": "It will be of much impor- tance to test the application of this idea to animal responses. 7. KCOLOGICAL UNITS FOR STUDY In the study of animal responses many different units are avail- able, and a brief consideration of these will aid in an understanding of 15 the methods which are useful.", "mime": "application/pdf"}, {"id": "inhs-355", "words": "96770", "extension": ".pdf", "flesch": "78", "author": "Adams, Charles", "title": "An Ecological Study of Prairie and Forest Invertebrates", "date": "1915", "keywords": "account; adult; agr; animals; ants; area; association; aug; august; bark; bates; beetle; black; bloomington; bug; bull; bur; cent; charleston; colony; community; conditions; decay; dept; eggs; enlarged; ent; evaporation; fabr; feed; feet; female; fig; flies; flowers; fly; following; food; forest; fungi; gall; general; glade; grasses; grasshopper; ground; growth; habitat; habits; hankinson; hickory; history; illinois; inches; influence; insects; july; june; kinds; large; larva; layer; leaf; leaves; life; living; log; lowland; maple; milkweed; moisture; mus; nat; near; new; north; number; oak; observations; open; places; plant; plate; prairie; present; proc; ravine; region; relative; rep; riley; sci; slope; soil; south; species; specimen; spider; sta; state; station; study; surface; swamp; temperature; time; trees; upland; upland forest; vegetation; view; vol; wasp; water; white; wood; young", "summary": "I, e) Aug. 12 (No. 40) ; and on the Loxa prairie (Sta. II) Aug. 13 (No. 49), Aug. 27 (No. 178), and Aug. 28 (No. 179); in an open area in the upland Bates woods (Sta. Aug. 13 at Loxa (Sta. II, a) from the flowers of Silphium integrifolinm.", "mime": "application/pdf"}, {"id": "inhs-356", "words": "9331", "extension": ".pdf", "flesch": "78", "author": "Hankinson, T. L. ", "title": "The Vertebrate Life of Certain Prairie and Forest Regions Near Charleston, Illinois", "date": "1915", "keywords": "august; bates; birds; charleston; east; field; fig; ground; linn; page; piece; plate; prairie; region; south; species; station; trees; upland; vertebrates; woods", "summary": "Mus muscnlus Linn. Common along the Embarras River near Bates woods ; also fre- quently seen about some small ponds in a piece of woods continuous with Bates woods.", "mime": "application/pdf"}, {"id": "inhs-357", "words": "25864", "extension": ".pdf", "flesch": "67", "author": "Malloch, J. R.", "title": "Some Additional Records of Chironomidae for Illinois and Notes on Other Illinois Diptera", "date": "1915", "keywords": "abdomen; apex; apices; base; black; brown; fig; hairs; head; illinois; joint; larva; legs; length; line; margin; median; middle; pair; posterior; pupa; segments; series; species; surface; thorax; thorns; transverse; vein; vol; white; wing; yellow", "summary": "First abdominal segment with about 6 widely placed weak hairs in a transverse row near anterior margin ; segments 2 to 8 each with a transverse series of short stout bristles with alternating slender and, in comparison with other species, short hairs, the bristles on all segments turned upward at apices, most distinctly so on seg- ments 3 to 5 ; spiracles small but very distinct, similar to that of protho- rax, present on segments i to 7 ; posterior to the spiracle on each seg- ment there are 3 moderately long hairs; apical segment as in Figure 5, Plate LXXXIII ;ventral segmentseach with a transverse pair of rather long slender hairs on each side near middle, the one farthest from lateral margin about midway between that point and median line, the other midway between it and the lateral margin. I expect to deal with this and other species of the family in a subsequent paper.", "mime": "application/pdf"}, {"id": "inhs-362", "words": "5468", "extension": ".pdf", "flesch": "78", "author": "Glasgow, Robert", "title": "Phyllophaga Harris (Lachnosterna Hope): A Revision of the Synonymy, and One New Name", "date": "1916", "keywords": "burmeister; characters; conte; horn; le conte; line; page; smith; species; vol; writer", "summary": "\\\\ glabripennis Le Conte, 1856, p. 260. 31. submucida Le Conte 48.", "mime": "application/pdf"}, {"id": "inhs-363", "words": "14691", "extension": ".pdf", "flesch": "74", "author": "Shelford, Victor", "title": "An Experimental Study of the Effects of Gas Waste Upon Fishes, with Especial Reference to Stream Pollution", "date": "1917", "keywords": "case; chart; concentrations; experiments; fishes; gas; graph; liter; orange; positive; reaction; solution; sunfish; tank; tar; time; toxicity; waste; water", "summary": "In .025 cc. per liter of water fish usually turn on their sides in 10-15 minutes and continue to move their fins and gills for many hours. In .05 cc. per liter of water fishes were intoxicated but recovered after an hour and a half.", "mime": "application/pdf"}, {"id": "inhs-365", "words": "4757", "extension": ".pdf", "flesch": "65", "author": "Wells, Morris", "title": "The Reactions nd resistance of Fishes to Carbon Dioxide and Carbon Monoxide", "date": "1918", "keywords": "carbon; dioxide; fishes; gas; resistance; species; water", "summary": "The extremely toxic effect of very small concentrations of the gas, together with the fact that water once poisoned with it is slow to resume its normal condition, makes this gas a source of grave danger to aquatic life wherever introduced into natural waters. The introduction of either carbon dioxide or carbon monoxide into fish waters is certain to prove detrimental to the aquatic organ- isms, and especially to the fishes present in the water.", "mime": "application/pdf"}, {"id": "inhs-366", "words": "1178", "extension": ".pdf", "flesch": "75", "author": "Shelford, Victor", "title": "Equipment for Maintaining a Flow of Oxygen-free Water, and for Controlling Gas Content", "date": "1918", "keywords": "line; page; read; water", "summary": "In Article VI of this volume a piece of apparatus for controlling gas content and adding gases and fluids to water is described l)y the present writer. The new piece of apparatus delivers a liter of water per minute and could probably deliver a maximum of four or five liters per minute.", "mime": "application/pdf"}, {"id": "inhs-367", "words": "790", "extension": ".pdf", "flesch": "70", "author": "Powers, Edwin", "title": "A Collecting Bottle Especially Adapted for the Quantitative and Qualitative Determination of Dissolved Gasses, Particularly Very Small Quantities of Oxygen", "date": "1918", "keywords": "line; page; read", "summary": "Page 50, second column, line 13 from bottom, for Danais archippus read Anosia vlexi]Jpus; line 8 from bottom, for mellifica read rnellifera. Page 51, line 11 from bottom, for Danais read Anosia.", "mime": "application/pdf"}, {"id": "inhs-371", "words": "35630", "extension": ".pdf", "flesch": "72", "author": "Vestal, Arthur", "title": "An Associational Study of Illinois Sand Prairie", "date": "1913", "keywords": "animals; april; area; association; beetles; black; blowout; blowsand; bunch; conditions; det; devil; distribution; dune; eastern; fab; family; field; flowers; food; forest; formation; genus; grass; grass association; grass species; ground; growth; hart; havana; hole; illinois; illinois sand; insects; july; june; lake; larvae; lee; linn; neck; number; october; parts; plants; records; regions; river; sand; sand areas; sand prairie; sand region; sand species; soil; species; specimen; stage; summer; surface; vegetation; wind", "summary": "Similar adaptations must be present in the burrows of other small sand animals ; at any rate they do not often cave in, though perfectly dry at the opening. The termites are very abundant in sand regions, where they are found under boards.", "mime": "application/pdf"}, {"id": "inhs-375", "words": "8325", "extension": ".pdf", "flesch": "67", "author": "Whitten, John", "title": "The Effects of Kerosene and Other Petroleum Oils on the Viability and Growth of Zea Mais", "date": "1914", "keywords": "content; corn; germination; grains; immersion; kerosene; membranes; moisture; seedlings; soil; water", "summary": "Acetone was also tried for the same purpose, but it proved to be injurious to control grains and its use was discontinued. 247 2. SOAKING IN WATe:r Grains which had been immersed in kerosene were soaked in water for from one to forty-eight hours and then placed, together with a check, under the usual conditions for germination.", "mime": "application/pdf"}, {"id": "inhs-376", "words": "106173", "extension": ".pdf", "flesch": "72", "author": "Malloch, John", "title": "The Chironomidae, or Midges, of Illinois, With Particular Reference to the Species Occurring in the Illinois River", "date": "1915", "keywords": "abdomen; antennae; anterior; apex; apical; apices; basal; basal joint; base; black; brown; brownish; chironomus; color; coquillett; cross; cross vein; cubitus; distinct; dorsal; female; femora; fig; figure; fore; fore femora; fore legs; fore tarsi; fore tibiae; fourth; genus; hairs; half; halteres; hart; head; hind; hind legs; hypopygium; illinois; johannsen; joint; lateral; legs; length; locality; long; male; malloch; mesonotum; middle; pale; plate; portion; posterior; second; segments; slender; species; specimens; surface; surface hairs; tarsal; thorax; type; vein; vol; wing; yellow; yellowish", "summary": "Yellow species 1. rufa. \u2014 Black species 3 3. Basal joint of fore tarsi about one seventh longer than fore tibite (40: 35) ; black species, legs fuscous; hypopygium as in Figure 2, Plate XXXVI .'....", "mime": "application/pdf"}, {"id": "inhs-377", "words": "2615", "extension": ".pdf", "flesch": "69", "author": "Smith, Frank; Gittins, Elizabeth", "title": "Two New Species of Lumbricidae from Illinois", "date": "1915", "keywords": "clitellum; line; page; species; xiv", "summary": "INTERNAL CHARACTERS The alimentary tract is similar in its parts and relations to those of other species of Helodrilus. The calciferous gland of H. zeteki is very similar to that of a considerable number of other species of Helodrilus which have been examined by the writers.", "mime": "application/pdf"}, {"id": "inhs-378", "words": "3401", "extension": ".pdf", "flesch": "74", "author": "Smith, Frank", "title": "Two New Varieties of Earthworms with a Key to Described Species in Illinois", "date": "1915", "keywords": "clitellum; dorsal; fig; illinois; line; page; species; specimens", "summary": "['15 : 545].\u2014Common in and under decaying logs in central Illinois and northern Michigan, and probably has a quite extensive range east of the Mississippi River. The alimentary tract is similar in parts and relations to those of other species of Hclodrilus.", "mime": "application/pdf"}, {"id": "inhs-379", "words": "4911", "extension": ".pdf", "flesch": "76", "author": "Wood, Frank", "title": "On the Common Shrew-mole in Illinois", "date": "1910", "keywords": "burrows; corn; field; illinois; line; mole; page; read; runs; specimens; state", "summary": "* There are two species of moles in Illinois : one, the starnose mole, Coiidylura cristata (Linnteus), is found sparingly in the northern part of the state ; the other, known as the common or shrew-mole, Scalofyus aqualictis (Linnjeus), is the one with which this paper deals. Moles require a soil easily penetrated by their burrows and containing an abundance of worms or insects for their food.", "mime": "application/pdf"}, {"id": "inhs-380", "words": "2782", "extension": ".pdf", "flesch": "76", "author": "West, James", "title": "A Study of the Food of Moles in Illinois", "date": "1910", "keywords": "cent; corn; food; line; mole; page; read; stomachs", "summary": "Mr. Rowe reported that moles had been very abundant in that locality for sev- eral seasons, and that they had been seriously destructive to seed-corn in recently planted fields. Such kinds of their food as are ciuite generally distributed \u2014 earthv^rorms, some insect lan-as, and adult insects, for example\u2014are ver}' frequentl}' and freely eaten by moles.", "mime": "application/pdf"}, {"id": "inhs-381", "words": "58120", "extension": ".pdf", "flesch": "63", "author": "Gleason, Henry", "title": "The Vegetation of the Inland Sand Deposits of Illinois", "date": "1910", "keywords": "amboy area; areas; associations; aster; basin association; black; blowout; blowsand association; bunch; bunches; bunchgrass association; bur oak; canadensis; common; conditions; consocies; county; dead; deposit association; deposits; development; dixon area; dominant; dune; environment; feet; fig; forest association; formation; general; grass association; grasses; ground; growth; hanover area; havana area; illinois; inches; interstitial; l. hanover; leaves; lee; level; line; mats; mixed; mixed forest; monarda; movement; north; number; oak association; oak forest; oenothera; oquawka area; page; panicum; perennials; place; plants; polytrichum association; prairie; present; read; relic; rhus; river; sand; sand areas; sand deposits; size; slope association; soil; solidago association; south; species; succession; surface; swamp association; thicket association; thickets; trees; type; var; vegetation; water; windward; winnebago area", "summary": "Thirdly, sand areas are usually infertile in comparison with their surroundings. Morus rubra L. Havana area, in the mixed forest association.", "mime": "application/pdf"}, {"id": "inhs-382", "words": "30403", "extension": ".pdf", "flesch": "72", "author": "Hall, R.; Ingall, O. D.", "title": "Forest Conditions in Illinois", "date": "1911", "keywords": "areas; ash; black; board; bottoms; cent; conditions; counties; county; cut; elm; feet; fire; forest; forest land; forestry; form; general; good; growth; gum; hickory; illinois; land; line; linn; maple; northern; oak; oaks; page; read; red; river; section; soil; southern; species; stand; state; timber; trees; type; white", "summary": "Additional studies of insect injury to forest trees and products throughout the state, made in this connection by one of the assistants of the State Entomologist's Office, will be separately published in the report of that office. These, as well as the intentional fires, may be greatly reduced by a strong public sentiment against forest fires, which would be aroused by a better understanding of their results.", "mime": "application/pdf"}, {"id": "inhs-383", "words": "41121", "extension": ".pdf", "flesch": "63", "author": "Gates, Frank", "title": "The Vegetation of the Beach Area in Northeastern Illinois and Southeastern Wisconsin", "date": "1912", "keywords": "andropogon; area; association; association dominant; aster; beach; beach area; blowing; blowouts; bunch; calamovilfa; canadensis; canadensis association; carex; cent; conditions; dead; development; dominant species; dune association; dunes; euphorbia; family; fig; figure; forest; form; formation; general; grass; grass association; ground; growth; heath; heath association; illinois; juncus; juniperus; kenosha; lake; lake michigan; leaves; level; liatris; line; list; lobelia; longifolia; low; meters; michigan; middle; near; north; oak; oaks; page; panicum; parts; pines; places; plants; plate; poa; populus; potentilla; prairie; prairie association; present; quercus; read; region; relic species; ridge; salix; sand; scariosa; scirpus; scoparius; season; secondary; shore; small; soil; solidago; southern; species; spicata; succession; surface; syrticola; thicket; thicket association; time; tlie; trees; vegetation; water; waves; wind; winter", "summary": "In each case the plants are more typical of other associations, but they grow within the range of blowing sand and consequently dunes may be formed around them. Occurring with Nyiiiphaca in some of these artificial situations, as well as in natural ones, were Polygonum amphibktm liartzvrightii and Sparganinm eurycarpnm, which more properly belong to other associations.", "mime": "application/pdf"}, {"id": "inhs-384", "words": "4142", "extension": ".pdf", "flesch": "65", "author": "Forbes, Stephen", "title": "The Midsummer Bird Life of Illinois: A Statistical Study", "date": "1913", "keywords": "birds; cent; illinois; line; mile; page; read; state", "summary": "The acreage in these crops was such that 15 per cent, of all the birds of the season were found in corn fields and 22 per cent, were in small *That is, taking an average density of the bird population for the whole area of the state as r, the density in pastures and meadows only is 1.39. 380 CROP AREAS AND BIRDS 381 of the more pronounced results for one species of bird throughout its range in summer, and for one kind of crop area as visited or inhabited by midsummer birds. It is a period of breeding and steady habitation for our most permanent and characteristic bird population, and will best help us to an understanding of the main normal ecological significance of Illinois birds.", "mime": "application/pdf"}, {"id": "inhs-385", "words": "8825", "extension": ".pdf", "flesch": "81", "author": "Richardson, R. E.", "title": "Observations on the Breeding of the European Carp in the Vicinity of Havana, Illinois", "date": "1913", "keywords": "carp; danhole; eggs; feet; field; fry; inches; lake; line; page; read; river; spawning; water", "summary": "Carp fry in Danhole's field have been hatched a week. Jitiie 23-30. Tried repeatedly to get carp fry in waters adjacent to Danhole's field,\u2014Lynch Slough, Crabtree dredge ditch, Thomp- son's Lake, west shore, between dredge ditch and club house, etc.", "mime": "application/pdf"}, {"id": "inhs-386", "words": "9579", "extension": ".pdf", "flesch": "71", "author": "Smith, Frank; Welch, Paul", "title": "Some New Illinois Enchytraeidae", "date": "1913", "keywords": "ampulla; body; brain; bulb; cells; duct; fig; length; line; lumen; page; posterior; read; species; specimens", "summary": "Chylus cell, greatly enlarged. Chylns Cells.\u2014The chylus cell region is that part of the intestine included in XIII-5<3 XVIII.", "mime": "application/pdf"}, {"id": "inhs-388", "words": "28235", "extension": ".pdf", "flesch": "62", "author": "Forbes, Stephen; Richardson, R. E.", "title": "Studies on the Biology of the Upper Illinois River", "date": "1913", "keywords": "august; canal; cent; chillicothe; collections; conditions; dam; des; feet; fig; fishes; illinois; illinois river; july; lake; line; marseilles; morris; mouth; november; organisms; oxygen; page; parts; plaines; plankton; plate; ratios; read; river; river water; september; shore; species; stream; time; water", "summary": "A cross- section of the latter river at Grafton, below the junction, gave 4.85 parts per million on the Illinois shore below the mouth of the Illi- nois River, of 7.15 at the middle of the Mississippi, and of 7.65 on the Missouri side beyond the reach of Illinois River water. Even the Illinois and Michigan Canal at Morris, considerably contaminated with Chicago sewage as it is, contained at this time 6.8 parts per million of oxygen when the waters of the Illinois River gave 2.03 for the south or Kankakee side, and .88 for the north bank, or Des Plaines water.", "mime": "application/pdf"}, {"id": "inhs-389", "words": "13788", "extension": ".pdf", "flesch": "73", "author": "Sherff, Earl", "title": "Vegetation of Skokie Marsh", "date": "1913", "keywords": "depth; evaporation; fig; forest; glencoe; growth; line; marsh; page; parts; places; plants; plate; read; reed swamp; rhizomes; sagittaria; skokie; soil; species; stream; surface; swamp meadow; thickets; typha; water; west", "summary": "Phalaris anindinacea L. In the outer reed swamp, also in swamp meadow ; abundant. This mav be designated swamp meadow (PI. LXXXVII, Fig. 3; PI. XCIV, Fig. 18; PI. XCV, Fig. 19).", "mime": "application/pdf"}, {"id": "inhs-390", "words": "5865", "extension": ".pdf", "flesch": "79", "author": "Richardson, R. E.", "title": "Observations on the Breeding Habits of Fishes at Havana, Illinois, 1910 and 1911", "date": "1913", "keywords": "eggs; feet; fry; inches; june; line; nests; page; read; spawning; water", "summary": "Page 138, last line, for Zi::a read Zizia. Page 369, last line, for Tanecelum read Tanaceium.", "mime": "application/pdf"}, {"id": "inhs-391", "words": "114424", "extension": ".pdf", "flesch": "65", "author": "Kofoid, C. A.", "title": "The Plankton of the Illinois River, 1894-1899, with Introductory Notes Upon the Hydrography of the Illinois River and its Basin: Part II. Constituent Organisms and their Seasonal Distribution", "date": "1908", "keywords": "adventitious; appears; april; august; autumnal; average; backwaters; bearing; brachionus; cent; channel plankton; collections; conditions; data; december; decline; development; distribution; eggs; ehrbg; fact; february; females; flood; fluctuations; following; forms; genus; illinois; increase; individuals; intervals; january; july; june; lake; m.^; march; maximum; minimum; months; november; numbers; occurrences; occurs; october; organisms; paper; period; plankton; plankton collections; plankton organisms; plankton pulses; present; pulses; range; records; reports; rise; river; river plankton; season; september; silk; species; spring; summer plankton; table; table i.; temperatures; times; total; var; varieties; variety; vernal; water plankton; waters; winter; year", "summary": "Confined principally to the low water of mid- summer, appearing when the water reaches a temperature of 70\u00b0, and reaching its maximum development in temperatures above this point, declining at once to small numbers (less than 1,000) when the temperature falls below 60\u00b0, but lingering till the water approaches the freezing point late in November. Thirty-three forms of ChlorophycecB were recorded, and closer inspection of the collections will undoubtedly yield a considerable additional number either of closely related, and therefore included, species, or of those which occur but occasionally or in small numbers in the plankton.", "mime": "application/pdf"}, {"id": "inhs-392", "words": "7229", "extension": ".pdf", "flesch": "72", "author": "Hood, J. Douglas", "title": "New Genera and Species of Illinois Thysanoptera", "date": "1908", "keywords": "abdomen; base; head; length; prothorax; segments; tube; width", "summary": "13 mm., width at base .082 mm., at apex .041 mm. Measurements:\u2014Length 1.84 mm.; head, length .25 mm., width .24 mm.; prothorax, length .16 mm., width (including coxae) .40 mm.; pterothorax, width .44 mm.; abdomen, width .46 mm.; tube, length .26 mm., width at base .", "mime": "application/pdf"}, {"id": "inhs-393", "words": "12224", "extension": ".pdf", "flesch": "65", "author": "Forbes, S. A.", "title": "On the General and Interior Distribution of Illinois Fishes", "date": "1910", "keywords": "canal; canal .iii; collections; county; county seat; distribution; district; drainage canal; fishes; general; illinois; mich; miss; notropis; number; river; seat; southern; species; state", "summary": "phenacobius N. pilshryi Great Lake catfish Muskallunge Brook stickleback Nine-spined stickleback Hadropterus evides Coitus ricei Uranidea kumlienii Species Pecuharto Southern Illinois Harelipped sucker Long-nosed dace Flat-headed chub Chologaster papilliferus Pigmy sun fish Round sunfish Eupomotis heros Hadropterus ouachitcB Etheostoma oheyense General Distribution Great Lakes II X << II Northern Southern Northern Rather general Great Lakes Southern General; rare in Illinois Western Local; cave Southern 413 Fishes of Limited Distribution in Illinois\u2014concluded Illinois Distribution 414 Fishes of Limited Distribution in Illinois\u2014concluded 415 Especially Northern Species in Illinois (16) : Whitefish Lake herring Lake trout Long-nosed sucker Lake carp Notropis anogenus Great Lake catfish Mooneve Pike Muskallunge Menona top-minnow Brook stickleback Nine-spined stickleback Trout-perch Cottiis ricei Uranidea kumlienii Especially Southern Species in Illinois (14) : Horned dace (Semotilus) OpsopCEodtis emilicB Golden shiner (Abramis) + + + -f- + + + + + + + + -f- + + -I- + + + + -I- + + -1- + + + + + + + + + + + + -I- + + + + + -t- + + + + + + + + + + + + + + + -I- -t- + -I- + + + + + -f- + + + + + + + + + + + + + + + + + + + 386 Table OF the General Distribution of 387 Table of the General Distribution of 388 Table of the General Distribution 389 Table of the General Distribution 390 Table of the General Distribution of ] 391 Arranged according to the number of Illinois species in each, these districts succeed each other in the following order.", "mime": "application/pdf"}, {"id": "inhs-394", "words": "14425", "extension": ".pdf", "flesch": "80", "author": "Baker, Frank", "title": "The Ecology of the Skokie Marsh Area, With Special Reference to the Mollusca", "date": "1910", "keywords": "abundant; american; area; branch; chicago; east; feet; fig; ground; gyrina; marsh; mollusks; north; physa; plate; pond; river; skokie; small; species; spring; station; succinea; summer; trees; water", "summary": "In several places small areas of cattail islands occur, and the ditches and streams are lined with Typha. Small ponds and pools.", "mime": "application/pdf"}, {"id": "inhs-395", "words": "41040", "extension": ".pdf", "flesch": "80", "author": "Wood, Frank", "title": "A Study of the Mammals of Champaign County, Illinois", "date": "1910", "keywords": "animals; bat; brown; burrows; color; county; feet; fields; food; gopher; grain; gray; hairs; illinois; kennicott; length; long; mammals; mice; mouse; nat; north; northern; number; plains; prairie; present; range; south; species; specimens; squirrel; state; tail; vicinity; vol; water; white; winter; woods; year; young", "summary": "Zoe, Vol. I., pp. Vol. I., No. 10. 32 pp. '01.", "mime": "application/pdf"}, {"id": "inhs-399", "words": "5435", "extension": ".pdf", "flesch": "72", "author": "Webster, F. M.", "title": "Studies of the Life History, Habits, and Taxonomic Relations of a New Species of Oberea (Oberea Ulmicola Chittenden) ", "date": "1904", "keywords": "egg; elm; larva; line; page; read; species; trees; twig", "summary": "The production of bunches of short twigs which are annu- ally killed and replaced by others, these suffering in turn in the same manner, has been already described, and the inevitable effect on the general appearance of the trees will be clear to any one at all familiar with the growth of young elms. Sometimes the larvae working in spring pass be- yond into lateral twigs which had escaped attack and cause their death.", "mime": "application/pdf"}, {"id": "inhs-400", "words": "4665", "extension": ".pdf", "flesch": "70", "author": "Webster, F. M.", "title": "Studies of the Habits and Development of Neocerata Rhodophaga Coquillett", "date": "1904", "keywords": "buds; female; joints; larvae; line; page; read; rose; species", "summary": "Page 65, first line above foot-note, for ventricosa read ligamentina. On May 16, 1903, a firm located in the vicinity of Chica- go, engaged in growing roses extensively under glass, advised the State Entomologist of serious trouble among their Meteors, evidently due to a minute white worm which attacked the buds and destroyed them.", "mime": "application/pdf"}, {"id": "inhs-401", "words": "3478", "extension": ".pdf", "flesch": "74", "author": "Richardson, R. E.", "title": "A Review of the Sunfishes of the Current Genera Apomotis, Lepomis, and Eupomotis, with Particular Reference to the Species Found in Illinois", "date": "1904", "keywords": "illinois; jordan; lepomis; line; page; read; species; specimens", "summary": "h. Scales moderate or small, 42 to 50 in lateral line ; oper- culum produced backward and rather sharply rounded behind, triangular. 31 c. Soft dorsal dusky, with a more or less distinct blotch of darker color near base of last rays ; dark colora- tion on scales regular, with no appearance of mot- tling due to darker color on scattered groups of scales. bh Scales large, 35 to 41 in lateral line ; operculum not pro- longed much backward, but more or less broadly rounded behind, not triangular.", "mime": "application/pdf"}, {"id": "inhs-402", "words": "2293", "extension": ".pdf", "flesch": "84", "author": "Forbes, S. A.; Richardson, R. E.", "title": "On a New Shovelnose Sturgeon from the Mississippi River", "date": "1905", "keywords": "body; head; length; species", "summary": "London, Vol. II., pp. Anz., XXVII., 22, 1904, p. 667; also Kessler's fiugres of P. kaiifmanni and hermamti, AraloCaspian Exped., IV., 1877, Fig. 25 and 26.", "mime": "application/pdf"}, {"id": "inhs-404", "words": "2962", "extension": ".pdf", "flesch": "76", "author": "Smith, Frank", "title": "Notes on Species of North American Oligochaeta.: V. The Systematic Relationships of Lumbriculus (Thinodrilus) Inconstans (Smith).", "date": "1905", "keywords": "line; page; pairs; pores; read; species; trichodrilus", "summary": "Page 35, line 15, for 1854- read 1855. Page 72, line 9, for imhecilis read imbecillis.", "mime": "application/pdf"}, {"id": "inhs-405", "words": "20877", "extension": ".pdf", "flesch": "81", "author": "Baker, Frank", "title": "A Catalogue of the Mollusca of Illinois", "date": "1906", "keywords": "adams co.; baker; calkins; carroll co.; champaign co.; co.; cook co.; ferriss; fulton co.; gallatin co.; hancock co.; handwerk; hardin co.; hinkley; illinois river; island co.; jackson co.; johnson co.; kane co.; laboratory; lake co.; marsh; mason co.; mchenry co.; mclean co.; menard co.; mercer co.; mississippi river; morgan co.; nason; northern; ogle co.; page co.; peoria co.; pope co.; river; salle co.; state; tazewell co.; union co.; vol; wabash co.; washington co.; white co.; winnebago co.; wolf; woodford co.", "summary": "Cook Co. (Baker, Nason) ; Northern Illinois (Calkins) ; Fox River, Dundee, Kane Co. (Engleholm) ; Illinois River (Ferriss, Strode) ; Quincy, Adams Co. (Garman, Hart, Nason) ; Du Page River (Gault) ; Desplaines River (Handwerk) ; Mackinaw Riv- er, Kappa, Woodford Co. (Hart) ; Winnebago Co. ; Little Wa- bash, Kaskaskia, Big Muddy, and Little Muddy rivers (Hink- ley) ; La Salle Co. (Huett) ; Thompson's Lake and Spoon River, Fulton Co. (Kelly, Strode) ; Union Co. (Lyon) ; Lake Co. (Marcy) ; Rock River, Mercer Co. ; Washington Co. ; Winnebago Co. (Marsh) ; Algonquin, McHenry Co. ; Athens, Menard Co. (Nason) ; Southern Illinois (Ulffers) ; Fulton Co. (Wolf) ; Grass Lake, Lake Co. (Woodruff) ; Havana, Mason Co. ; Crystal 73 Lake, Urbana, Champaign Co. ; Fox Lake, Lake ('o. ; Thompson's Lake, Fulton Co.; Hamilton Co. (State Laboratory). Cook Co. (Baker, Calkins, Jensen) ; Hickory Creek, Will Co. ; Kankakee Feeder (Ferriss) ; Du Page Co. (Gault) ; Lilycash Creek, Will Co. (Handwerk); Quincy, Adams Co.; Kappa, Woodford Co. (Hart) ; Winnebago Co. ; Big Muddy, Little Wa- bash, Ohio, and Saline rivers (Hinkley); McLean Co. (Marsh); Elgin, Kane Co. ; Algonquin, McHenry Co, ; Canton, Fulton Co. (Nason) ; Matanzas and Quiver lakes, Havana, Mason Co. ; Quin- cy, Adams Co. ; Clay Co. ; Homer and Urbana, Champaign Co. ; Thompson's Lake, Fulton Co. ; Peoria, Peoria Co. ; Cedar, Fox, *Sphserium iriangulare Say is reported from Fulton Co. by Wolf, but this is an error of identification, as triangulare is a Mexican species. and Pistakee lakes, Lake Co. ; Lake Michigan, Chicago, Cook Co.; Milan, Rock Island Co.", "mime": "application/pdf"}, {"id": "inhs-406", "words": "43562", "extension": ".pdf", "flesch": "76", "author": "Hart, Charles; Gleason, Henry", "title": "On the Biology of the Sand Areas of Illinois", "date": "1907", "keywords": "action; areas; association; black; blow; blowouts; bunch; color; county; det; devil; distribution; dunes; eastern; examples; fabr; feet; fig; flora; forest; general; grass; ground; h.2; h.4; h.6; h.l; h.m; havana; illinois; illinois sand; jack; july; lake; land; leaves; line; linn; list; melanoplus; mer; michigan; miles; mol; near; nebraska; new; note; page; peoria; percent; plants; prairie; present; range; read; record; red; region; ridges; river; rock; sand; sand region; soil; species; specimens; state; surface; teheran; tex; tibiae; valley; valley sand; vegetation; vol; water; western; wind; yellow", "summary": "For the sake of brevity, Je., Au., and S. are used respectively for June, August, and September. Fla., N. J., Kan., Utah, N. M., Tex., and intervening states.", "mime": "application/pdf"}, {"id": "inhs-407", "words": "10197", "extension": ".pdf", "flesch": "55", "author": "Forbes, S. A.", "title": "On the Local Distribution of Certain Illinois Fishes: : An Essay in Statistical Ecology", "date": "1907", "keywords": "average; canal; cent; coefficients; collections; distribution; illinois; line; page; read; rivers; species; table", "summary": "For this pur- pose maps of species distribution, and tables showing the local- ity preferences of species (like my Table VI.) must be studied in connection with tables of associative coefficients. And if certain of the species are associated with the other darters in an average ratio of five to one, while other species are associated with the other darters in an aver- age ratio of only two to one, then the former species will typify the ecological group more definitely and correctly than the latter.", "mime": "application/pdf"}, {"id": "inhs-408", "words": "7327", "extension": ".pdf", "flesch": "68", "author": "Forbes, S. A.", "title": "An Ornithological Cross-section of Illinois in Autumn", "date": "1907", "keywords": "birds; cent; corn; fields; line; mile; number; page; read; species; table", "summary": "The one table shows us how each kind of bird is related to the various crops; and the other, how each crop is related to the various kinds of birds. To substitute iron for cot- ton at this point is the object of the studies now in progress in Illinois on the local distribution, average numbers, and ecolog- ical preferences of the various species of Illinois birds.", "mime": "application/pdf"}, {"id": "inhs-409", "words": "15674", "extension": ".pdf", "flesch": "80", "author": "Ewing, Henry", "title": "The Oribatoidea of Illinois", "date": "1909", "keywords": "abdomen; amer; anal; anterior; banks; broad; cephalothorax; covers; ent; fig; hairs; half; integument; legs; length; margin; organ; page; pair; pectinate; posterior; soc; species; vol", "summary": "Orihata octopundata, n. sp. (PI. XXXIV., Fig. Oribata artilamellata, n. sp. (PI. XXXIII., Fig.", "mime": "application/pdf"}, {"id": "inhs-410", "words": "31400", "extension": ".pdf", "flesch": "73", "author": "Needham, James ; Hart, Charles", "title": "The Dragonflies (Odomata) of Illinois, with Descriptions of the Immature Stages: Part I. Petaluridae, Aeschnidae, and Gomphidae", "date": "1901", "keywords": "abdomen; abdominal; anal; appendages; dorsal; flies; hagen; half; head; hind; hooks; illinois; imago; june; labial; labium; lake; lateral; length; like; lobes; margin; median; middle; needham; number; nymphs; odonata; river; segment; species; spines; superior; teeth; tip; vol; water; width; wing", "summary": "A number of small nymphs from Yellowstone Park and Montana, 15 mm. The oviposition of the groups with broader nymphs, Gomphidw, ConJiiJegaster'nhv, and Lib(dlii/i(la', is exophytic.", "mime": "application/pdf"}, {"id": "inhs-411", "words": "166397", "extension": ".pdf", "flesch": "63", "author": "Kofoid, C. A.", "title": "The Plankton of the Illinois River. 1894-1899, with Introductory Notes upon the Hydrography of the Illinois River and Its Basin.: Part I. Quantitative Investigations and General Results.", "date": "1903", "keywords": "april; area; august; average; backwaters; catches; cent; changes; channel plankton; channel production; channel waters; chemical; comparison; conditions; creek; current; days; december; decline; dogfish lake; effect; environment; extent; factors; feet; flag lake; flood conditions; flood water; floods; great; havana; illinois river; impounding; increase; july; june; lake plankton; lake production; lake st; lake waters; lakes; localities; main; maximum; mean; miles; minimum; months; movement; nitrates; nitrogen; phelps lake; plankton collections; plankton content; plankton data; plankton development; plankton maximum; plankton method; plankton organisms; plankton production; plankton pulse; plankton pump; plankton station; present; pulses; quiver lake; records; relative; rise; river channel; river flood; river levels; river plankton; river production; river stages; river water; run; season; sewage; silt; slight; spoon river; spring water; stream; summer; table; temperature; thompson; time; total; tributary water; vegetation; volume; water conditions; water levels; water period; water stages; winter; year", "summary": "They enter stream and lake waters in various ways : in the debris of veg- etable and animal origin washed into the stream, especially by flood waters ; in leachings from such matters drawn from the soil in seepage and spring waters ; and, especially (in the Illi- nois River) in the sewage and industrial wastes of Chicago, Peoria, and other cities within the drainage basin. It is also present in organic matter in the early stages of decay, and is accordingly found in organic debris and sewage of stream and lake waters.", "mime": "application/pdf"}, {"id": "inhs-412", "words": "9282", "extension": ".pdf", "flesch": "77", "author": "Kofoid, C. A.", "title": "Plankton Studies: I. Methods and Apparatus in Use In Plankton Investigations at the Biological Experiment Station of the University of Illinois", "date": "1897", "keywords": "bucket; carriage; fig; illinois; line; method; net; plankton; plankton net; plate; pump; silk; water; work", "summary": "A series of field experiments (to be described in a later paper) upon the progressive clogging of the net and the coefficient of various plankton nets, in a wide range of season and situation, have abundantly justified our abandonment of the system of collection in which the net is drawn through the water for one in which a known quantity of zvater is put through the net. II. 2. Seam in silk net.", "mime": "application/pdf"}, {"id": "inhs-413", "words": "19238", "extension": ".pdf", "flesch": "81", "author": "Forbes, Ernest", "title": "A Contribution to a Knowledge of North American Fresh-Water Cyclopidae", "date": "1897", "keywords": "american; anz; cyclops; der; des; die; end; fauna; feet; fig; foot; form; herrick; history; illinois; inner; jahrg; laboratory; lake; length; middle; natural; north; outer; pair; pis; plate; ramus; schmeil; segment; setae; species; specimens; spine; state; und; vol; zool; zur", "summary": "Assoc, frane, pour I'avanc. des Sci., Congres de Pau, seance du 19 sept. 3 pp. '93. Mem, Denison Sci, Assn, Vol. I., No. I., pp. 1-5G, Pis.", "mime": "application/pdf"}, {"id": "inhs-414", "words": "38639", "extension": ".pdf", "flesch": "79", "author": "Schacht, Frederick", "title": "The North American Species of Diaptomus", "date": "1897", "keywords": "abdomen; angle; antenna; apex; article; basal segment; der; des; description; diaptomus; end; extending; feet; female; fifth; fig; foot; forbes; furcal; hairy; half; herrick; history; hook; illinois; inner; left; leg; length; male; margin; middle; outer; pair; process; rami; ramus; right; second; segment; short; slender; species; spine; state; terminal; thoracic segment; tip; zool", "summary": "Diaptomus castor (?), Herrick, '82, p. 221, Pi. I., Fig. 1-7; PI. II., Fig. 12,16. Diaptomus leptopus, Herrick and Turner, '95, p. 64, PI. II.; PL IX., Fig. 9. Body long and slender, widest a little before the middle.", "mime": "application/pdf"}, {"id": "inhs-415", "words": "16921", "extension": ".pdf", "flesch": "70", "author": "Schacht, Frederick", "title": "The North American Centropagidae Belonging to the Genera Osphranticum, Limnocalanus, and Epischura", "date": "1897", "keywords": "angle; apical; female; fifth; forbes; herrick; inner; leg; legs; margin; outer; pair; plumose; process; ramus; right; second; segment; seta; species; spine", "summary": "Second segment slightly wider than the pre- ceding, barrel-shaped, and slightly longer than wide ; pro- vided on the inner margin with a few fine hairs, and at the 232 Illinois State Lalioraforji of Ni(tiir((l Hiatorfi. Second segment somewhat shorter and narrower than the preceding ; armed at the outer distal angle like the first seg- ment, except that the inner of the small spines is wanting ; inner apical angle produced into a long, moderately stout lamellate hook, shaped about like the blade of a pruning knife; both margins provided with a few fine hairs.", "mime": "application/pdf"}, {"id": "inhs-416", "words": "7195", "extension": ".pdf", "flesch": "66", "author": "Kofoid, C. A.", "title": "Plankton Studies.: II. On Pleodorina Illinoisensis, a New Species from the Plankton of the Illinois River", "date": "1898", "keywords": "axis; cells; colonies; colony; end; fig; genus; illinois; pleodorina; rotation; species; stage; young", "summary": "They usually number 28, rarely 12 or 60, and occupy the parts behind the anterior polar circle of vegetative cells. Gonidial cells 2-3 times diameter of vegetative cells.", "mime": "application/pdf"}, {"id": "inhs-417", "words": "25861", "extension": ".pdf", "flesch": "72", "author": "Hempel, Adolph", "title": "A List of the Protozoa and Rotifera Found in the Illinois River and Adjacent Lakes at Havana, Ill.", "date": "1898", "keywords": "anterior; august; body; cilia; ehrbg; end; family; food; foot; form; gosse; havana; history; iii; illinois; july; june; laboratory; lake; like; lorica; mouth; number; october; phelps; present; protozoa; quiver; quiver lake; river; rotifers; september; species; state; surface; towings; vegetation; water", "summary": "Many kinds were ob- tained by squeezing out the water from vegetation ; while large forms, such as Megalotrocha and Conochilus, were picked out with forceps and pipette. Several examples of I), urceolata appeared in these aquaria, as well as other forms which will be mentioned in their proper place.", "mime": "application/pdf"}, {"id": "inhs-418", "words": "3066", "extension": ".pdf", "flesch": "81", "author": "Cockerell, T. D. A.", "title": "First Supplement to the Check-list of the Coccidae", "date": "1899", "keywords": "3iask; ckll; comst; cooley; green; leon; mask; newst; sign; targ; tinsl; towns", "summary": "V. gossypii, Towns, ik Ckll. 1121. '^ ' 800. mexicanorum, Ckll. 801.", "mime": "application/pdf"}, {"id": "inhs-419", "words": "5185", "extension": ".pdf", "flesch": "52", "author": "Kelly, H. M.", "title": "A Statistical Study of the Parasites of the Unionidae", "date": "1899", "keywords": "host; host species; illinois; individuals; infestation; lampsilis; number; parasites; species; state; table", "summary": "In this table and in the succeeding one the data regarding host species in which less than fourteen individuals were examined are not included. Some attempt was made to discover whether purely local conditions in the habitat, such as the character of the bottom and association with other species of Vnioii\\d<r, bear any relation to the character and degree of infestation.", "mime": "application/pdf"}, {"id": "inhs-420", "words": "7422", "extension": ".pdf", "flesch": "63", "author": "Kofoid, C. A.", "title": "Plankton Studies.: III. On Platydorina, a New Genus of the Family Volvocidae, from the Plankton of the Illinois River", "date": "1899", "keywords": "cells; colonies; colony; fig; form; illinois; left; plate; platydorina; pleodorina; posterior; species", "summary": "The gelatinous matrix and sheath conform to the horse-shoe- shaped plate of cells, and even the caudal appendages bear a fixed relation to the plan of cell arrangement. The size of the colony varies with the age, with the number of cells present, and also, perhaps, with the locality and the season.", "mime": "application/pdf"}, {"id": "inhs-421", "words": "6316", "extension": ".pdf", "flesch": "73", "author": "Smith, Frank", "title": "Notes on Species of North American Oligochaeta.: III. List of Species found in Illinois, and Descriptions of Illinois Tubificidae", "date": "1900", "keywords": "abundant; anterior; diameter; dorsal; havana; illinois; setae; somites; species; ventral", "summary": "The prostomium and anterior somite are very sensitive and thin-walled, and at the slightest irritation are so retracted that the first setigerous somite seems to form the end of the worm. Ventral bundles with four or five uncinate setae in anterior part and fewer posteriorly.", "mime": "application/pdf"}, {"id": "inhs-422", "words": "6546", "extension": ".pdf", "flesch": "63", "author": "Smith, Frank", "title": "Notes on Species of North American Oligochaeta.: IV. On a New Lumbriculid Genus from Florida, with Additional Notes on the Nephridial and Circulatory Systems of Mesoporodrilus Asymmetricus Smith.", "date": "1900", "keywords": "anterior; duct; pair; posterior; somites; sperm; ventral; vessels", "summary": "In somite X there are two pairs of lateral vessels, the anterior pair connecting the dorsal vessel with the ventral part of an extensive plexus of vessels in the intestinal wall, and each vessel of the posterior pair extend- ing posteriorly, through several somites, between the corre- sponding sperm-sac and its inclosing membrane, and con- necting the dorsal and ventral vessels. There is in E. frigidus but one pair of lateral vessels in each of somites I-IX, and they are perigastric, connecting the dorsal and ventral vessels, those of IX and X extending posteriorly through several somites in connection with the spermiducal organs.", "mime": "application/pdf"}, {"id": "inhs-423", "words": "24096", "extension": ".pdf", "flesch": "68", "author": "Moore, J. Percy", "title": "The Hirudinea of Illinois", "date": "1901", "keywords": "annuli; annulus; anterior; body; dorsal; dorso; fig; furrow; illinois; male; median; pair; pore; posterior; series; size; somites; species; specimens; sucker; surface; ventral; xii", "summary": "Diagnosis.\u2014Somites I to III included in preocular region ; single pair of eyes on anterior annulus of IV, which is obscurely biannulate ; V biannulate ; VI to XXIV triannu- late ; XXV and XXVI biannulate, the latter somewhat united to XXVII; genital orifices as in G. lineata; a dorsal chitinoid glandular bursa situated at VIII a 1/a 2 ; gastric caeca small, simple, variable, never more than six pairs, of which any or all of the first three may be absent ; size small and form con- 498 Illinois State Laboratory of Natural History. The genital pores are separated by but a single annulus, the neural annulus of somite XII ; they consequently both lie within the limits of that somite.", "mime": "application/pdf"}, {"id": "inhs-424", "words": "2403", "extension": ".pdf", "flesch": "60", "author": "Forbes, S. A.", "title": "Bacteria Normal to Digestive Organs of Hemiptera", "date": "1892", "keywords": "bacteria; hemiptera; line; page; read", "summary": "In every case where they have occurred in our dissec- tions, we have made exhaustive search for bacteria in other parts of the alimentary canal also, and in the sal- ivary glands, the fatty bodies, etc., and in all these Hemiptera with only negative results. I made some dissections of that insect, isolating the alimentary canal and searching dif- ferent parts of it for the source of a bacterial infection discovered in the fluids of chinch bugs when crushed under the microscope.", "mime": "application/pdf"}, {"id": "inhs-425", "words": "736", "extension": ".pdf", "flesch": "75", "author": "French, G. H.", "title": "Descriptions of two New Deltoid Moths", "date": "1894", "keywords": "line; page", "summary": "Page 17, line 2, dele first letter in the line. Page 168, line 12, page 177, lines 13 and 14, and page 271, line 10, for Lemna tnsulca read Spirodela polyrMza.", "mime": "application/pdf"}, {"id": "inhs-426", "words": "9505", "extension": ".pdf", "flesch": "72", "author": "Loucks, W. E.", "title": "The Life History and Distribution of the Prothonotary Warbler in Illinois", "date": "1894", "keywords": "bird; cavity; eggs; history; illinois; line; nest; page; prothonotary; river; state; vol; warbler; water", "summary": "Mr. O. C. Poling, who found double nests and sets of the prothonotary warbler near Quincy, 111., says:* It is also characteristic of this warbler to remain- close about the nest at all times to avoid being deprived of its home by some neighboring pair, for there are more birds than nesting places in the localities searched. The object in view was to ob- tain by means of cooperative labor the present range of certain species of birds in Illinois, and to issue monthly ^reports, based on the contributors' notes and such in- iormation as could be obtained from lists and catalogues, both state and local.", "mime": "application/pdf"}, {"id": "inhs-427", "words": "19775", "extension": ".pdf", "flesch": "79", "author": "Rolfe, C. W.", "title": "List of Altitudes in the State of Illinois", "date": "1894", "keywords": "a. r.; altitudes; b. m.; bridge; c. r.; corner; county; creek; e. corner; e. i.; e. r.; east; grove; history; i. c.; i. r.; illinois; j. s.; l. e.; l. r.; laboratory; line; list; m. n.; m. r.; m. s.; n. e.; n. r.; n. w.; north; p. b.; p. r.; q. r.; r. r; river; s. e.; s. p.; s. r.; sec; south; state; stone; t. h.; u. s.; w. r.; wabash r.; west", "summary": "R. R. R 708' Marley T. H. & P. R. R 620 Mav's 684 Mefwood T., St. L. & K Cy. R. R... 662 Metcalf ... 665 Mortimer ... 702 Neeley T. H. & P. R. R 734 Nevins 674 Oliver ., C. C, C. & St. L. R. R 642: List of Altitudes in Illinois, 63 Paris C. Payne C. Raven I., Redmon T. C, C. & St. L. R. R 707 & 0. R. R. R 687 Sanford C, C, C. & St. L. R.R. D. & W. R. R 631 H. & P. R. R 680 627 Scotland I., D. & W. R. R 631 Swano-o C, C, C. & St. L. R.R..", "mime": "application/pdf"}, {"id": "inhs-428", "words": "3695", "extension": ".pdf", "flesch": "73", "author": "Smith, Frank", "title": "A Preliminary Account of two New Oligochaeta from Illinois", "date": "1895", "keywords": "dorsal; line; page; somite; species; ventral", "summary": "The following are some of the differences which dis- tinguish D. riparia from D. eiseni: (1) The sperma- thecal pores are in the posterior part of the somite in the latter species, while in the former they are near the anterior margin; (2) the ventral setae of somites VIII and IX are modified in D. eiseni and not in D. riparia; (3) a glandular thickening of the ventral sur- face of somites VIII and IX is present in D. eiseni and not in D. riparia; (4) setae 2, or b, are present in somite XIX in D. eiseni and not in D. riparia; (5) the first pair of nephridia in D. eiseni is found in somite III, while in D. riparia a pair is present in somite II; and (6) the first dorsal pore seen in D. eiseni is in the first clitellar somite, while in D. riparia it occurs in the an- terior part of somite XI. male pore is also upon somite XIX, in a longitudinal groove, but is near the anterior margin of that somite.", "mime": "application/pdf"}, {"id": "inhs-429", "words": "36054", "extension": ".pdf", "flesch": "67", "author": "Hart, C. A.", "title": "On the Entomology of the Illinois River and Adjacent Waters", "date": "1895", "keywords": "abdomen; abdominal; anterior; apex; areas; base; beneath; black; brown; dark; dorsal; fig; head; history; illinois; july; laboratory; lake; larvae; lateral; line; margin; middle; pair; pale; posterior; pupa; river; segment; small; species; state; station; surface; teeth; transverse; ventral; water", "summary": "Last segment [Fig. 40] with smaller lateral teeth, four larger dorsal ones about equal in size, terminal cone of female short, scarcely or not at all projecting behind the tips of the posterior pair of dorsal teeth; male with corresponding area protuberant, median line strongly impressed, ter- minal surface broader below, with a sharp recurved spine at the outer inferior angles. 195 tions, each with a small tooth at outer side of apex; in the male [Fig;. 22] with a thicker rounded apex, bearing small lateral teeth and another pair behind the dorsal fleshy projection.", "mime": "application/pdf"}, {"id": "inhs-430", "words": "3470", "extension": ".pdf", "flesch": "85", "author": "Ashmead, William H. ", "title": "Descriptions of three New Parasitic Hymenoptera from the Illinois River", "date": "1895", "keywords": "black; dorsal; fig; flies; larva; line; page; plate; pupa; segment; view", "summary": "Plate 111. 13. Plate VII.", "mime": "application/pdf"}, {"id": "inhs-432", "words": "4562", "extension": ".pdf", "flesch": "76", "author": "Smith, Frank", "title": "Notes on Species of North American Oligochaeta.", "date": "1895", "keywords": "anterior; length; line; page; setae; species; specimens", "summary": "Sparganophilus has several species and at least as wide a distribution. The average number of somites in several specimens taken at random is 59, the minimum and maximum numbers noticed be- ing respectively 53 and 69.", "mime": "application/pdf"}, {"id": "inhs-433", "words": "4049", "extension": ".pdf", "flesch": "72", "author": "Garman, H.", "title": "Some Notes on the Brain and Pineal Structures of Polyodon folium", "date": "1896", "keywords": "brain; end; line; nerve; organ; polyodon", "summary": "Dorsal view of brain of Polyodon, with the connective tissue and fat removed from the fore- and mid-brains and the cerebellum, but with membrane roof of 4th ventricle left in place. B, end organ; C, cut end of stalk.", "mime": "application/pdf"}, {"id": "inhs-434", "words": "2490", "extension": ".pdf", "flesch": "88", "author": "Hempel, Adolph", "title": "Descriptions of New Species of Rotifera and Protozoa from the Illinois River and Adjacent Waters", "date": "1896", "keywords": "fig; foot; lorica; plate; posterior; shape; species; spines; surface; tl1e", "summary": "1. B ,\u00b7achion,tf;8 va,, icto il is n. sp. E'ig\u00b7. 2 . '' p. C'eratiuni b1\u00b7evicorne n. RTJ. '' brevic01\u00b711e n. sp. PLATE XXVI.", "mime": "application/pdf"}, {"id": "inhs-435", "words": "5525", "extension": ".pdf", "flesch": "83", "author": "Cockerell, T. D. A.", "title": "A Check-list of the Coccidae", "date": "1896", "keywords": "australia; boisd; bouche; ckll; comst; dougl; frog; green; line; list; mask; newst; page; sign; targ; zealand", "summary": "rossi, Crawf. MS., Mask. 10. fuscus, Mask.", "mime": "application/pdf"}, {"id": "inhs-436", "words": "10580", "extension": ".pdf", "flesch": "68", "author": "Duggar, B. M. ", "title": "On a Bacterial Disease of the Squash-bug (Anasa tristis DeG.).", "date": "1896", "keywords": "agar; bacillus; bacteria; bugs; cage; cultures; days; death; der; disease; experiments; growth; infection; insects; laboratory; line; organism; page; squash", "summary": "Evidently the old cultures were not as effective as the infusions from dead bugs, and the difference is even greater than is apparent from the summaries, for there were more insects in Experiment 17 than in No. 16, and fewer bugs escaped towards the later periods of observation. It is probable that dead bugs placed on a wet surface might absorb moisture and show an appearance somewhat similar to the disease effect, but this is only a surmise.", "mime": "application/pdf"}, {"id": "inhs-437", "words": "5040", "extension": ".pdf", "flesch": "79", "author": "Johnson, Willis ", "title": "Descriptions of five New Species of Scale Insects, with Notes", "date": "1896", "keywords": "body; female; fig; lobes; plate; scale; second; species", "summary": "Scale offemale.\u2014The scale of the female is fawn-color at first, but becomes more or less bleached during the fall and winter months, presenting a dirty whitish ap- pearance in the spring. I therefore propose for it the popular name, cherry scale.", "mime": "application/pdf"}, {"id": "inhs-438", "words": "5822", "extension": ".pdf", "flesch": "77", "author": "Smith, Frank", "title": "Notes on Species of North American Oligochaeta.: II.", "date": "1896", "keywords": "anterior; fig; line; setae; somite; species; specimens; ventral", "summary": "pair of these connecting vessels from somite X extends back- ward through several somites, being closely associated with the reproductive organs contained therein. Those of III are about .7 mm. in length, while those of other somites are .3-.35 mm.", "mime": "application/pdf"}, {"id": "inhs-439", "words": "19977", "extension": ".pdf", "flesch": "81", "author": "Sharpe, Richard", "title": "Contribution to a Knowledge of the North American Fresh-water Ostracoda Included in the Families Cytheridae and Cyprididae", "date": "1897", "keywords": "brady; caudal; claw; cypris; dorsal; fig; fig fig; foot; half; length; long; male; ostracoda; pair; rami; ramus; segment; seta; shell; species; state; terminal; terminal seta; times; width", "summary": "Limnicythere reticulata n. sp. (PI. XXXIX., Fig. 1-7.) Limnicytliere illmoisensis n. sp. (PI.XXXIX., Fig.", "mime": "application/pdf"}, {"id": "inhs-446", "words": "6115", "extension": ".pdf", "flesch": "48", "author": "Forbes, Stephen A.", "title": "On Some Interactions of Organisms", "date": "1903", "keywords": "animal; food; general; interactions; man; nature; numbers; organisms; species", "summary": "vantage in the search for food, and in all its other activi- ties, as compared with other species more exactly adjust- ed, or, as compared with members of its own species which tend to a better adjustment. In the pas~ ture and meadow, it answers our purpose to substitute other species for the grasses growing there spontanebus- ly, and these adapt themselves easily to the circum- stances which have proved favorable to their native pre- decessors.", "mime": "application/pdf"}, {"id": "inhs-447", "words": "19110", "extension": ".pdf", "flesch": "71", "author": "Davis, N. S., Jr.; Rice, Frank L.", "title": "Descriptive Catalogue of North American Batrachia and Reptilia, Found East of Mississippi River", "date": "1883", "keywords": "american; beneath; black; blotches; body; brown; color; cope; dark; dorsal; eastern; genus; head; lines; north; plates; present; region; rows; scales; series; sides; small; smooth; spots; tail; teeth; toes; upper; white; yellow; yellowish", "summary": "C lindheimeri^ B. and G. Vertical as broad as long; a series of black dorsal and lateral blotches ; intermediate spaces lighter; scales edged with white; beneath greenish- white; bluish slate color on centers of scutellse, especially pos- teriorly; dorsal scales obsoletely carinated; outer ten rows smooth; G. 225-235. Texas, Arkansas, and Southern Illinois. C. All or part of dorsal scales carinate; anal entire.", "mime": "application/pdf"}, {"id": "inhs-448", "words": "4930", "extension": ".pdf", "flesch": "78", "author": "Thomas, Cyrus", "title": "A List of the Species of the Tribe Aphidini, family Aphidae, found in the United States, which have been heretofore named, with descriptions of some New Species", "date": "1877", "keywords": "abdomen; antennae; aphis; black; green; honey; pale; tip; tubes; wings", "summary": "Aphis polygoni, Walk., Zool., vi, 2249. Senate, No. 30, 05, 1851.", "mime": "application/pdf"}, {"id": "inhs-449", "words": "297", "extension": ".pdf", "flesch": "77", "author": "Middleton, Nettie", "title": "A New Species of Aphis, of the Genus Colopha", "date": "1878", "keywords": "base", "summary": "Length of the body .06 of an inch; to tip of wings .10 of an inch. ST. ENT., ILL.", "mime": "application/pdf"}, {"id": "inhs-450", "words": "2610", "extension": ".pdf", "flesch": "83", "author": "Hall, John; Hall, Elihu", "title": "A List of the Mosses, Liverworts, and Lichens of Illinois", "date": "1878", "keywords": "ach; fulton; hedw; johnson; menard; tuck; var", "summary": "sarcopis, Wahl., L. elatina, Ach., var. ochrophaea, Tuck., L. cinerea, L. L. cervina, Fers., var. Fr. E. miniatum, (L.,) Schaer., var manitense, Thick., E. arboreum, Schwein., E. cinereum, Nees., E. rufescens, Ach., E. hepaticum, Ach., E. pusillum, Hedw., Union.", "mime": "application/pdf"}, {"id": "inhs-451", "words": "10830", "extension": ".pdf", "flesch": "81", "author": "Jordan, David S.", "title": "A Catalogue of the Fishes of Illinois", "date": "1878", "keywords": "co.; common; cope; dorsal; fish; genus; head; illinois; jordan; lake; length; michigan; nelson; river; rock; species; specimens; state; streams; union; wabash", "summary": "[The specimens upon which Mr. Nelson based this statement were labeled nehulosus in the collection (given as a synonym of albidus in M. V., first edi- tion,) but have been identified with catus by Dr. Jordan. Sand Darter, (M. V. 219., Nel- son, 35).", "mime": "application/pdf"}, {"id": "inhs-453", "words": "1100", "extension": ".pdf", "flesch": "73", "author": "Forbes, Stephen A.", "title": "On the Crustacea Eaten by Fishes", "date": "1878", "keywords": "fishes; illinois; species", "summary": "I have recognized the following genera and species of Crustacea in the stomachs of the fishes of the preceding list, several of them being new to the state. The material afforded has been by no means exhaustively studied, and the list of species could probably be quadrupled.", "mime": "application/pdf"}, {"id": "inhs-454", "words": "1291", "extension": ".pdf", "flesch": "70", "author": "Hay, O. P.", "title": "Description of a New Species of Asellus", "date": "1878", "keywords": "margin; segments", "summary": "Second segment very slightly notched in front. Anterior segments of thorax concave in front, convex behind ; becoming less so to fifth segment, whose anterior and posterior margins are nearly straight.", "mime": "application/pdf"}, {"id": "inhs-455", "words": "19748", "extension": ".pdf", "flesch": "91", "author": "Forbes, Stephen A.", "title": "The Food of Fishes", "date": "1903", "keywords": "011e; a11cl; a11d; adult; ancl; bass; black; ce11; cent; chironomus; cladocera; corixa; crustacea; cyclops; entomostraca; fact; family; fishes; flies; food; group; half; i11; illinois; inches; insects; la1; lake; larvre; length; minute; number; oocl; pe1; perch; river; size; species; specimens; state; streams; t t; table; time; tl1at; tl1c; tl1e; tl1e food; tl1ese; tl1is; tlie; water; young", "summary": "The gill-rakers of this species are nur11e1ol1s, long and slender-a fact reflected in tl1e food. Fo1 tbe pu1pose of a comparati,Te 1\u00b7ecapit11lation of tl1e above clata respec.ti11g tl1e food of tl1e Sl1nfishes,.", "mime": "application/pdf"}, {"id": "inhs-456", "words": "5896", "extension": ".pdf", "flesch": "85", "author": "Forbes, Stephen A. ", "title": "On the Food of Young Fishes", "date": "1903", "keywords": "011e; 11ot; a11; a11cl; a11d; ancl; ce11; cent; fishes; foocl; food; i11; i11cl1; inch; incl1; pe1; species; specimens; tl1at; tl1c; tl1e; tl1ese; tl1is; witl1", "summary": "Jro11ng\u00b7 suckers_, ,ve see tl1at tl1e,r cliffe1 f1\u00b7om tl1e otl1er fa111ilies studied in the \u2022 large1\u00b7 foocl-1\u00b7eso111\u00b7ces ope11 to tl1e111; fo1, ,vhile the st1t1c- tu1\u00b7e of tl1ei1-- moutl1s cloes 11ot l)lO]Jil)it t]1eir tal{ing\u00b7 E11to\u00ad :rnost1\u00b7aca, it e11ables tl1en1 to c11 .. F1om the lack of all 111ention of tl1e 11se of Enton1ostraca as the food of you11g fis]1e s i11 tl1e g\u00b7eneral revie,\\7 of t]1e relatio11s of tl1ese C1\u00b7t1stac\u00b7ea to 01\u00b7\u00ad ganic nat111e gi,re11 by Gerstaeclce1 in B1\u00b7011n 's Tl1ie1\u00ad Reicht I infe1-- that ,,,.l1atever systematic in,Testig\u00b7atio11 tl1e subject may }1avTe recci,red, the results l1ave riot att1\u00b7acted any general atte11tion.", "mime": "application/pdf"}, {"id": "inhs-459", "words": "2160", "extension": ".pdf", "flesch": "81", "author": "Webster, F. M.", "title": "Notes Upon the Food of Predaceous Beetles", "date": "1903", "keywords": "a11d; beetles; i11; seeds; species; tl1e; tl1is; vol", "summary": "A 11un1ber of years ag'o tl1e w1,.ite1\u00b7 comme11ced tl1e stl1d3r of tl1e f oocl of l1eetles. Pliny tho11gl1t it nothing to the credit of the philoso- 11l1ers of his day, that while tl1ey were disputing abo11t the numl)er of heroes by the 11ame of Hercules, and tl1e site of tl1e sepulcher of Baccl111s, tl1ey s11oulc1 11ot l1ave been a\u00b7ble to decide w hetl1er or 11ot the q11een bee pos\u00ad sessed a sting.1 While tl1e problem of tl1e l1ee sting\u00b7 l1as long been de\u00ad ci (l ecl, and heroes by the name of H ercules have ceased to t1\u00b7011l)le tl1e mi11ds of men, tl1ere are }Jroblems of vital im\u00ad l)or\u00b7t ance r egarding tl1e l1abits of tl1e i11sects ,vl1ich, du1--\u00ad i11g tl1e gr\u00b7eater 11ortion of tl1e }7 ear, re meet dail)r i11 n bun dance, tl1a t still 1--emai11 u11sol,Ted.", "mime": "application/pdf"}, {"id": "inhs-460", "words": "3788", "extension": ".pdf", "flesch": "76", "author": "Forbes, Stephen A.", "title": "Notes on Insectivorous Coleoptera", "date": "1903", "keywords": "011e; a11cl; a11d; ancl; animal; foocl; food; i11; insect; species; specimen; tl1e; tl1ese; tl1is; witl1", "summary": "tl1c l)eetlc is talten-,vitl1jn a few d,1ys }tt fartl1eRt-as tl1e mo1e u118tal)le elements of tl1e f oocl a1\u00b7e a1J1)a1\u00b7c11tlJ~ s0011 cl1a11ged, e,re11 in st1011g f1lcol1ol. McBride in J t1 ly, \\\\Tas filled with _cryptogamic veg\u00b7\u00ad etatio11 wl1icl1 l1ad tl1e f or1n of a dense mat of sle11de1\u00b7 l)ra11chi11g~ tul,es enclosi11g~ 111any spl1erical cells.", "mime": "application/pdf"}, {"id": "inhs-475", "words": "1709", "extension": ".pdf", "flesch": "65", "author": "Weed, Clarence M.", "title": "On the Parasites of the Lesser Apple Leaf Roller, Teras minuta (Robs.)", "date": "1887", "keywords": "abdomen; black; dusky", "summary": "Differs from L. annulipes Cresson in the larger ovipositor, and in the thoracic sculpture; and from L. fugitiva (Say) in its smaller size and black posterior coxae. Abdomen shining, with sparse, fine pubescence; first segment subcylin- drical, enlarged posteriorly.", "mime": "application/pdf"}, {"id": "inhs-476", "words": "10580", "extension": ".pdf", "flesch": "85", "author": "Forbes, Stephen A.", "title": "The Regulative Action of Birds Upon Insect Oscillations", "date": "1883", "keywords": "action; anisopteryx; anomala; binotata; birds; canker; carolinensis; cent; coleoptera; food; insect; mimus; number; orchard; oscillations; shot; species; specimens; vernata; worms", "summary": "Three facts stand out very clearly as results of these investiga\u00ad tions: 1. Birds of the most varied character and habits, migra:qt and resident, of all sizes, from the tiny wren to the bluejay, birds of the forest, garden and meadow, those of arboreal and those of terrestrial habit, were certainly either attracted or detained here by the bountiful supply of insect food, and were feeding freely upon the species most abundant. The pest is consequently exposed to destruction from the time it emerges until it disappears again, the adults falling an easy prey to birds which search the ground for 18 The Regulative Action of Birds upon Insect Oscillations. food, and the eggs to the small species which pry about the trunks of trees.", "mime": "application/pdf"}, {"id": "inhs-477", "words": "13588", "extension": ".pdf", "flesch": "91", "author": "Forbes, Stephen A.", "title": "The Food Relations of the Carabidea and Coccinellidae", "date": "1883", "keywords": "animal; animal food; beetles; cent; family; food; food r; fungi; genus; grass; group; half; insects; orchard; page; plants; pollen; ratios; remainder; seeds; species; specimens; spores; vegetable; vegetation; worms", "summary": "Seven specimens, taken in the orchard above-mentioned, had likewise fed upon animal food alone, forty per cent. A larger ratio of animal food is noticed in the thirteen taken where cank r-worms abounded.", "mime": "application/pdf"}, {"id": "inhs-478", "words": "13144", "extension": ".pdf", "flesch": "91", "author": "Forbes, Stephen A.", "title": "The Food of the Smaller Fresh-Water Fishes", "date": "1883", "keywords": "algre; animal; cent; family; fishes; food; fourth; gill; group; half; head; illinois; insects; intestine; larvre; length; mud; p r; rakers; small; species; specimens; t t; thi", "summary": "p cim ns taken from the Pecatonica River at Freeport, an extraordinarily muddy stream, noted for th abundance f it rnollu k , had at n no oth r food than univalve follu ca, hiefl Vctl1 rlta tl'icarinata an l Plan01\u00b7bis deflectus. The v aetable fo d (tw nty-f ur p r nt.)", "mime": "application/pdf"}, {"id": "inhs-479", "words": "6898", "extension": ".pdf", "flesch": "71", "author": "Forbes, Stephen A.", "title": "The First Food of the Common White-Fish (Coregonus clupeiformis, Mitch.) ", "date": "1883", "keywords": "cyclops; entomostraca; fish; fishes; food; lake; line; natural; page; species; specimens; water; young", "summary": "H forth r r mark : ' Thi. diffi ult f pr urii1_:., a uitable fo d Ir p r f od wa f thi r. In jar .", "mime": "application/pdf"}, {"id": "inhs-80", "words": "7870", "extension": ".pdf", "flesch": "58", "author": "Fritts, Mark W.; DeBoer, Jason A.; Gibson-Reinemer, Daniel K.; Lubinski, Benjamin J.; McClelland, Michael A.; Casper, Andrew F.", "title": "Over 50 years of fish community monitoring in Illinois\u2019 large rivers: The evolution of methods used by the Illinois Natural History Survey\u2019s Long-term Survey and Assessment of Large-River Fishes in Illinois", "date": "2019", "keywords": "electrofishing; fish; illinois; illinois river; ltef; monitoring; natural; program; river; sampling; site; sparks; survey", "summary": "Some upstream-to-downstream differences in Illinois River fish communities. The LTEF has provided a wealth of informa- tion on Illinois River fisheries for scientists, managers, and the public, and is one of the longest sustained large-river fish surveys in the world.", "mime": "application/pdf"}, {"id": "inhs-81", "words": "609", "extension": ".pdf", "flesch": "36", "author": "Forbes, Stephen A.", "title": "Introduction", "date": "1876", "keywords": "state", "summary": "That we consider it an important part of its work to supply collections of specimens to the public schools, as far as this can be done consistently with its own general interests, and especially to provide all needed facilities for the instruction of teachers in natural history, and in the most approved and successful methods of teaching the same ; and That we cordially invite the co-operation of the scientists of Illinois, oifering them the free use of its collections, library and apparatus, and as- suring them that whatever may be contributed to its cabinets or its funds shall be used faithfully and impartially for the advancement of science throughout the state at large. S. A. FORBES, Curator Illinois Museum of Natural History.", "mime": "application/pdf"}, {"id": "inhs-82", "words": "7745", "extension": ".pdf", "flesch": "73", "author": "Forbes, Stephen A.", "title": "List of Illinois Crustacea: with descriptions of new species", "date": "1876", "keywords": "half; inner; joint; margin; outer; pair; posterior; second; tip", "summary": "Rostrum long, triangular, smooth above, small teeth near apex, foveolate at base ; carinoe parallel, separated from base of rostrum by slight grooves; cephalo-thorax somewhat compressed, smooth or slightly punctate above, granulate on sides, areola narrow, smooth ; (4) antennal plates wide, truncate at apex, apical teeth short ; epistoma rounded in front, twice as wide as long ; third niaxillipedes hairy on inner sides, hands short, smooth above, serrate on inner margin, fingers short, straight, rib- bed and punctate above, contiguous margins tuberculate, outer one hairy ; third and fourth joints of third thoracic legs hooked ; first abdominal legs short, truncate, enlarged towards apex, apical part recurved, then ending in three obtuse points turning outward, leaving a wide groove passing up on outer side behind teeth. Rostrum short, wide, depressed, concave above, acumen short ; cephalo-thorax compressed, areola none, the pleura meeting on median line of dorsum, posterior spatium much wider than anterior ; chelae long ; inner margin tuberculate-serrate, fingers slender toward apex, outer one with strong tubercle on inner margin near base, movable finger with strong tubercle near middle of inner margin ; carpus long, strongly toothed on inner, and lower front margins ; third maxillipedes hairy on in- ner sides ; third joint of third thoracic legs hooked ; first abdominal legs of male truncate, with several small apical teeth, of which the inner one is much longest, slender and pointed outward, base of these legs inserted in deep sinuses in the strongly developed ventral part of first abdominal seg- ment.", "mime": "application/pdf"}, {"id": "inhs-83", "words": "2", "extension": ".pdf", "flesch": "-91", "author": "Forbes, Stephen A.", "title": "Key to the Species Mentioned in the Previous Paper", "date": "1876", "keywords": "bull1iss1art2keytospecies.pdf", "summary": "Bull1Iss1Art2KeytoSpecies.pdf 50698088.pdf", "mime": "application/pdf"}, {"id": "inhs-837", "words": "129718", "extension": ".pdf", "flesch": "70", "author": "Dmitriev, Dmitry", "title": "Etymology and grammatical gender of generic names in Auchenorrhyncha (Hemiptera)", "date": "2022", "keywords": "+ aphrophora; + dikraneura; + mohunia; + orgerius; academy; aedeagus; africa +; agallia; agriculture; ahmed; ala; alebra; american; amyot; ana; anagram; ancient; angle; anufriev; anus; appearance; arabic; argentina; asche; asia; auchenorrhyncha +; australia; baker; ball; basque; bear; becker; benna; black; blocker; body; boulard; bourgoin; box; brazil; british; bruner; buckton; bulletin; burmeister; caff; caldwell; capener; capriles; carolina; castes; cavichioli; celtic; central; cercopis; character; chile +; china; chinese; chou; cicada; cicadellidae; city; cixius; cloth; coelidia; combination; concatenation; cossidae; cossus; costa; country; crown; czech; dai; daughter; delong; delphax; department; descendant; dietrich; distant; district; dlabola; dmitriev; dmitry; dorsum; duzee; dworakowska; ears; east; ella; emeljanov; empire; empoasca; english; entomologist; etymology; eugonalia; evans; fabricius; face; family; female; feminine; fennah; fiddler; fieber; flata; foot; forehead; forest; forewing; form; fowler; france; french; freytag; frons; gener; genus; german; ghauri; gnezdilov; god; goddess; goding; good; greece; greek; greek dictionary; greek mythology; group; guinea; gypona; half; hamilton; handlirsch; harper; haupt; having; head; helmet; hemiptera; hinduism; history; hoch; honor; horn; huang; hymenoptera +; iana; idiocerus; iev; illinois; india; indonesia; institute; inus; iran; ishihara; island; issus +; italy; ites; jacobi; japanese; jassus; jembrana +; john; kato; keel; king; kingdom; kirkaldy; knight; ko\u00e7ak; kramer; kwon; lallemand; language; larivi\u00e8re; latin; leaf; ledra; lee; lepidoptera; letters; lindberg; linnavuori; london; l\u00f6cker; madagascar +; mahmood; maldonado; martynov; matsumura; mckamey; medium; medler; melichar; mes; metcalf; migdisova; mology; mother; moulds; mountain; muir; museum; mythology; names; national; natur; natural; net; new; nielson; north; nose; noun suffix; o'brien; oides; oliarus; oman; origin; osborn; pakistan; pale; people; period; peru; philippines; point; polish; prefix; process; pronotum; prosbole; proto; prov; ptyelus; pygofer; qin; ramakrishnan; range; red; region; republic; reticulum; ribaut; river; rome; round; russian; sakakibara; sanborn; sanskrit; schmidt; sciences; sea; serville; shape; sharp; shcherbakov; shield; signoret; sina; slap; slender; son; song; south; southern; spain; spear; species; spine; spinola; state; stroi\u0144ski; stylus; st\u00e5l; synave; szwedo; tail; taiwan; takiya; tartessus; tettigonia; theron; tillyard; town; tree; tribe; turkey; u.k; uhler; united; university; usa; vein; vilbaste; village; viraktamath; wagner; walker; wang; webb; wei; western; white; wife; william; wilson; wing; word; xing; y +; yang; yellow; young; zachvatkin; zhang; zoologist; \u03af\u03b4\u03b7\u03c2; \u03af\u03b4\u03b9\u03bf\u03bd; \u03af\u03c4\u03b7\u03c2; \u03b4\u03af\u03ba\u03c4\u03c5\u03bf\u03bd; \u03b4\u03af\u03c2; \u03b5\u1f36\u03b4\u03bf\u03c2; \u03ba\u03ac\u03bb\u03bb\u03bf\u03c2; \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03bd; \u03ba\u03ad\u03c1\u03b1\u03c2; \u03ba\u03b5\u03c6\u03b1\u03bb\u03ae; \u03bb\u03b5\u03c0\u03c4\u03cc\u03c2; \u03bc\u03ad\u03b3\u03b1\u03c2; \u03bc\u03ad\u03c4\u03c9\u03c0\u03bf; \u03bc\u03b1\u03ba\u03c1\u03cc\u03c2; \u03bc\u03bf\u03c1\u03c6\u03ae; \u03bd\u1ff6\u03c4\u03bf\u03bd; \u03c0\u03b1\u03c1\u03ac; \u03c0\u03bb\u03b1\u03c4\u03cd\u03c2; \u03c0\u03c1\u03cc; \u03c0\u03c5\u03b3\u03ae; \u03c3\u03ba\u03ac\u03c1\u03c4\u03bf\u03c2; \u03c3\u03c4\u03b5\u03bd\u03cc\u03c2; \u03c4\u03ad\u03c4\u03c4\u03b9\u03be; \u03c4\u03c1\u03cc\u03c0\u03b9\u03c2; \u03c6\u03bf\u03c1\u03ac; \u03c8\u03ac\u03bb\u03c4\u03b7\u03c2; \u03c8\u03b1\u03bb\u03c4\u03c1\u03af\u03b1; \u03c8\u03b5\u03c5\u03b4\u03bf; \u03cc\u03c8\u03b9\u03c2; \u03ce\u03b4\u03b7\u03c2; \u1fe5\u1fd1\u03bd\u03cc\u03c2", "summary": "Paraphysiana Bortolli\u2013Chiamolera, Cavichioli & Anderle, 2003, f, Latin: paraphysis, from Greek \u03c0\u03b1\u03c1\u03ac (near) + \u03c6\u03cd\u03c3\u03b9\u03c2 (growth) + \u2013ana (related to). Acixiites Hamilton, 1990, f, concatenation of Ach- ilidae + Cixiidae + \u2013ites (Greek: \u2013\u03af\u03c4\u03b7\u03c2, descendant, belonging to the group of).", "mime": "application/pdf"}, {"id": "inhs-84", "words": "36187", "extension": ".pdf", "flesch": "72", "author": "Underwood, Lucien M.", "title": "Descriptive Catalog of the North American Hepaticae, North of Mexico", "date": "1884", "keywords": "acute; america; amphigastria; apex; ascending; aust; austin; base; beneath; bib.\u2014syn; bifid; branches; bull; calyptra; capsule; cleft; convex; creeping; dentate; divisions; dumort; ekart; elaters; entire; erect; europ; exsic.\u2014hep; forms; fruit; green; hep; imbricate; involucre; jung; jungermania; leaves; like; lobes; margin; mosses; mouth; nees; oblong; obovate; obtuse; oval; ovate; purple; rocks; short; species; spores; state; stems; sulliv; tayl; terminal; thallus; upper; var; wanting", "summary": "Inner involucre 4-5 lobed D r Carpocephalum 7-9 rayed. Peduncles naked; divisions of inner involucre not colterent at least tvhen dry.", "mime": "application/pdf"}, {"id": "inhs-85", "words": "1950", "extension": ".pdf", "flesch": "79", "author": "Forbes, Stephen A.", "title": "Description of New Illinois Fishes", "date": "1885", "keywords": "head; length; line; read", "summary": "Lateral line high-arched, 34 to 41, longitudinal rows 5 to () and 13 to 15; 17 to 20 scales before dorsal. Lateral line complete or nearly so: In-east scaly; lower jaw thin, with a sharp, hard edge: upper jaw protractile, with a fleshy covering; no pseudo-branchia; pharyngeal teeth 5-5, with grinding surface.", "mime": "application/pdf"}, {"id": "inhs-862", "words": "14321", "extension": ".pdf", "flesch": "54", "author": "Tiemann, Jeremy; Stodola, Alison; Douglass, Sarah; Vinsel, Rachel; Cummings, Kevin", "title": "Nonindigenous Aquatic Mollusks in Illinois", "date": "2022", "keywords": "america; antipodarum; clam; corbicula; data; doi; dreissena; et al; figure; fluminea; form; freshwater; great; history; illinois; journal; lakes; mills et; mollusks; museum; mussel; natural; new; north; records; river; species; survey; tiemann", "summary": "These data help document new locations of nonindigenous aquatic mollusk species, such as D. rostriformis bugensis or C. chinensis, as citizen-scientists supported by interactive educational campaigns are an effective means of tracking nonindigenous species (Barbato et al. 2021; Di Decco et al. 2021; Kingsbury et al. 2021). The ecological and economic effects caused by nonindigenous aquatic mollusks are extensive (Pimentel et al. 2005; Rixon et al. 2005; Keller et al. 2008) and rival that of climate change (Mainka and Howard 2010; Diez et al. 2012; Bellard et al. 2013; Gama et al. 2017).", "mime": "application/pdf"}, {"id": "inhs-866", "words": "4764", "extension": ".pdf", "flesch": "53", "author": "Holiman, Haley; Kitaif, J Carson; Fournier, Auriel M.V.; Iglay, Raymond B; Woodrey, Mark S.", "title": "Estimating ability to detect secretive marsh birds over distance using autonomous recording units. ", "date": "2022", "keywords": "arus; birds; calls; clapper; count; detection; distance; marsh; rail; recording; species", "summary": "Recently, there has been an increase in the availability of au- tomatic recognition programs for various bird species. Other natural and artificial made sounds, such as nontarget bird species and distant automo- biles, also appeared on the sonogram images.", "mime": "application/pdf"}, {"id": "inhs-87", "words": "36685", "extension": ".pdf", "flesch": "74", "author": "Burrill, T. J.", "title": "Parasitic Fungi of Illinois: Part I. Uredineae", "date": "1885", "keywords": "adams; amphigenous; apex; april; aug; border; brown; champaign; epidermis; epispore; forms; fungi; host; hyaline; hypogenous; hypophyllous; iii; illinois; july; june; lasalle; leaf; leaves; length; mchenry; mclean; minute; oblong; oct; pedicel; read; schw; sept; small; smooth; sori; species; specimens; spermagonia; spores; spots; state; subglobose; surface; teleutospores; tuberculate; union; uredo; uredospores; yellow; yellowish", "summary": "On leaves, petioles and stems of Rliii s toxicodendron : Cham- paign, June 9, 4928, II.; Adams, June 27, 5319, II., July 6, 5432, II., July 12, 5523, II.; McLean, July 12, 2442, II., July 16, 2437, II., III., 2438, II., III., July 20, 5605. II., 5606, II., July 22, 2439, II., 2440, IL, III., Aug. 1, 2442, II., III., Aug. 4,2443, IL, III.. Sept. 6. 5657, IL, IIL, Oct. 6, 1811;", "mime": "application/pdf"}, {"id": "inhs-879", "words": "14218", "extension": ".pdf", "flesch": "67", "author": "Redmer, Michael", "title": "Natural History of the Wood Frog (Rana sylvatica) in the Shawnee National Forest, Southern Illinois", "date": "2002", "keywords": "age; amphibians; berven; breeding; county; females; frog; history; illinois; lag; males; mean; natural; ponds; populations; rana; rana sylvatica; range; size; snf; southern; species; studies; study; survey; svl; sylvatica; wood; year", "summary": "178 Illinois Natural History Survey Bulletin consumed on the banks, probably by raccoons (Procyon lotor). ILLINOIS NATURAL HISTORY SURVEY Natural History of the Wood Frog (Rana sylvatica) in the Shawnee National Forest, Southern Illinois Michael Redmer linois Natural History Survey Bulletin \u00bb Volume 36, Article 4 March 2002 Illinois Natural History Survey, David L. Thomas, Chief A Division of the Illinois Department of Natural Resources A catalog of the publications of the Illinois Natural History Survey is available without charge \u2014 from the address below.", "mime": "application/pdf"}, {"id": "inhs-88", "words": "25425", "extension": ".pdf", "flesch": "55", "author": "Forbes, Stephen A.", "title": "Studies on the Contagious Diseases of Insects", "date": "1886", "keywords": "bacillus; bacteria; blood; cabbage; cells; culture; diameter; disease; fluids; form; granules; illinois; infection; insects; larva; micrococci; mulberry; numbers; slides; spherical; state; time; worm", "summary": "On the same day another larva was found dead and black- ened, clinging to the side of the cage, in quite different con- dition, however, from cabbage worms affected by their own peculiar disease. That this supposed jaundice was contagious, was shown by the phenomena of its occurrence at Champaign, and that the bacteria accompanying it were capable of exciting disease in other larvte Avas proven by first cultivating them repeatedly 320 Illinois State Laboratory of Natural History. in beef broth and then producing in cabbage worms (Pieris rapw) a similar disease by moistening their food with the cul- ture fluids containing the bacteria.", "mime": "application/pdf"}, {"id": "inhs-880", "words": "38588", "extension": ".pdf", "flesch": "68", "author": "Webb, Donald W.", "title": "The Winter Stoneflies of Illinois (Insecta: Plecoptera): 100 Years of Change", "date": "2002", "keywords": "adults; allocapnia; area; bulletin; burksi; claassen; county; creek; distribution; division; dorsal; drainage; fasciata; female; fig; figs; figures; frison; granulata; gravel; harper; hills; history; hynes; illinois; illinois natural; illinois river; length; long; male; natural; north; nymphs; page; plecoptera; posterior; poulton; quality; ricker; river; ross; sand; segment; shawnee; species; stark; sternite; stewart; stoneflies; streams; strophopteryx; survey; system; taeniopteryx; tergite; terminalia; view; vivipara; wabash; water; winter; winter stoneflies; zealeuctra", "summary": "Large rivers (Wabash, Ohio, and Mis- sissippi) surround two-thirds of Illinois with an- other broad river (Illinois River) running diago- nally across the state from Chicago southwest to Alton. Middle Mississippi River tributaries (Edwards River, Henderson Creek, Bear Creek, Sny Creek, Bay Creek) (3) This area (Page et al. 1992) drains numerous small streams along the eastern Mississippi and western Illinois River bottomlands, which are primarily covered by the Middle Mississippi Border (Schwegman 1973).", "mime": "application/pdf"}, {"id": "inhs-89", "words": "14653", "extension": ".pdf", "flesch": "83", "author": "Underwood, Lucien M.", "title": "List of described species of Fresh Water Crustacea from America, North of Mexico", "date": "1886", "keywords": "acad; amer; astacidae; birge; bull; crustacea; faxon; figs; forbes; geol; hayden; herrick; iii; illinois; jour; minn; minnesota; nat; new; packard; phila; proc; rep; report; revision; science; soc; species; state; survey; trans", "summary": "In the above numbers Minnesota takes the lead with 82 species, owing to the extended study of the microscopic forms by Prof. C. L. Herrick. A. Hagen, 1. c. 36, pi. ii, fig.", "mime": "application/pdf"}, {"id": "inhs-90", "words": "15700", "extension": ".pdf", "flesch": "80", "author": "Burrill, T. J.; Earle, F. S.", "title": "Parasitic Fungi of Illinois: Part II. Erysipheae", "date": "1887", "keywords": "ancl; appendages; asci; aug; daviess; diameter; earle; erysiphe; forms; hyaline; iii; illinois; leaves; lev; line; mclean; mycelium; oct; ovate; page; peck; perithecia; persistent; reticulations; salle; sept; species; specimens; spores; state; times; tips; tl1e; union; variable", "summary": "In speciu1ens on Tritis from Massacl1usett ( ~ eymour ), t l1e appendages are 1110. On Vicia a majority of t l1e appendages are colored in t his manner, and the mycelium is rather less abundant.", "mime": "application/pdf"}, {"id": "inhs-91", "words": "12975", "extension": ".pdf", "flesch": "63", "author": "Forbes, Stephen A.", "title": "Studies of the food of Fresh Water Fishes", "date": "1888", "keywords": "cent; fishes; food; gill; illinois; insects; larvae; length; number; pharyngeal; rakers; river; species; specimens; state; teeth; water", "summary": "My specimens of this species available for a study of their food were only five in number, obtained at South Chicago in small fish ; and a third, five inches in length, had eaten a young cen- trarchid. The large ratio of insect food (about forty-two per cent.) was more than half Chironomus larvae, most of the remainder being Hexagenia larvae, taken, however, by only one of the specimens.", "mime": "application/pdf"}, {"id": "inhs-92", "words": "21182", "extension": ".pdf", "flesch": "54", "author": "Forbes, Stephen A.", "title": "On the Food Relations of Fresh-Water Fishes; a summary and discussion", "date": "1888", "keywords": "amiurus; apr; aug; cent; eaten; entomostraca; fishes; food; ictalurus; ictiobus; july; june; lepomis; notatus; notropis; nov; oct; pallidus; punctatus; sept; species; specimens; tergisus", "summary": "June, Aug. Oct.; 1 Eucalia inconstans, June; 1 Coregonus artedi; 1 Dorosoma cepedianuni, 5;^ in., Oct.; 8 yg.; 1 Cyprinida3, yg.; 2 No- temigonus chrysoleucus, Sept.; 2 Notropis atherinoides, Nov.; 2 Ictiobus, yg.; 3 I. velifer, Mar., Sept., Oct.; 2 I. bubalus, Oct.; 2 I. urus, Oct.; 4 I. cyprinella, Apr., May, Oct.; 5 Polyodon spathula, May, June, Aug. B. longirostris: 4 Micropterus salmoides, yg.; 2 Dorosoma cepedianum, yg. ; 2 Notropis atherinoides, Oct. Iliocryptus: 1 Notropis heterodon; July; 1 Ictiobus bubalus, Sept. Lynceidd': 1 Perca lutea, yg.; 1 Alvarius punctulatus, May; 1 Cha3nobryttus gulosus, yg.; 1 Labidesthes sicculus, June; 1 Umbra limi, Sept.; 1 Zygonectes dispar, July; 4 Z. nota- tus, June, Sept., Oct.; 1 Moxostoma, yg.; 1 M. macrolepi- dotum, Sept.; 1 Erimyzon sucetta, 1^ in.; 1 Ictiobus velifer, Oct.; 2 I. bubalus, Sept., Oct.; 3 I. cyprinella, Apr. Chijdoncs: 3 Perca lutea, yg.; 4 Alvarius punctulatus. Moxostoma, yg.; 1 M. macrolepidotum, Sept.; 1 Erimyzon sueetta, July; 2 Catostomus teres, June, Aug.; 3 Ictiobus bubalus, Aug. Oct.; 3 I. urus, Aug.; 4 I. cyprinella, June, Aug.; 3 Ictalurus punctatus, Oct.; 1 Amiurus nebulosus, May; 1, 2 in., Aug.; 1 Noturus, yg.; 2 N. gyrinus, May; 3 Polyodon spathula.", "mime": "application/pdf"}, {"id": "inhs-93", "words": "11965", "extension": ".pdf", "flesch": "64", "author": "Nowak, Jennifer; Sweet, Andrew; Weckstein, Jason; Johnson, Kevin", "title": "A molecular phylogenetic analysis of the genera of fruit doves and allies using dense taxonomic sampling", "date": "2019", "keywords": "allies; analysis; clade; data; doves; ducula; et al; fruit; genera; k t; k u; p h; ptilinopus; treron", "summary": "ILLINOIS NATURAL HISTORY SURVEY BULLETIN 1 A molecular phylogenetic analysis of the genera of fruit doves and their allies using dense taxonomic sampling Jennifer E. Nowak1\u2020, Andrew D. Sweet1,2\u2020, Jason D. Weckstein3,4, and Kevin P. Johnson1 1 Illinois Natural History Survey, Prairie Research Institute, University of Illinois at Urbana-Champaign, 1816 South Oak Street, Champaign, Illinois 61820, USA 2 Department of Entomology, Purdue University, 901 West State Street, West Lafayette, Indiana 47907, USA 3 Ornithology Department, Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, Pennsylvania 19103, USA 4 Department of Biodiversity, Earth, and Environmental Sciences, Drexel University, 1900 Benjamin Franklin Parkway, Philadelphia, Pennsylvania 19103, USA \u2020 Authors contributed equally to the work Research Article Cite This Article: A molecular phylogenetic analysis of the genera of fruit doves and their allies using dense taxonomic sampling.", "mime": "application/pdf"}, {"id": "inhs-94", "words": "16044", "extension": ".pdf", "flesch": "55", "author": "Mauger, David; Anton, Thomas G.", "title": "Current distribution and status of amphibians and reptiles in Will County, Illinois", "date": "2015", "keywords": "amphibians; chicago; county; distribution; eastern; fmnh; forest; history; illinois; inhs; kankakee; lithobates; localities; natural; prairie; preserve; records; reptiles; salamander x; section; snake; species; status; survey; turtle; x x", "summary": "Checklist of Will County species. Checklist of Will County species.", "mime": "application/pdf"}, {"id": "inhs-942", "words": "39249", "extension": ".pdf", "flesch": "62", "author": "Sherwood, Joshua; Tiemann, Jeremy; Stein, Jeffrey", "title": "Fishes of Champaign County, Illinois: as affected by 120 years of stream changes", "date": "2022", "keywords": "abundance; basin; bayley; bulletin; champaign; champaign county; county; darter; drainages; embarras; figure; fishes; forbes; fork; history; hunt; hunt larimore; illinois; kaskaskia; land; larimore; minnow; natural; richardson; river; river basin; salt fork; sangamon; sherwood; shiner; sites; smith; smith larimore; species; streams; survey; table; thompson; vermilion", "summary": "Gar are most efficiently sampled with large river sampling techniques (i.e., boat electrofishing, passive net sets) and though they likely have never been abundant in the streams of Champaign County, the sampling methodologies used during Champaign County surveys could possi- bly overlook this species. Our current collection of four individuals from the Salt Fork north of Homer represents the first time this species was col- lected during Champaign County surveys.", "mime": "application/pdf"}, {"id": "inhs-95", "words": "18830", "extension": ".pdf", "flesch": "71", "author": "Yetter, Aaron P.; Stafford, Joshua D.; Hine, Christopher S.; Bowyer, Matthew W.; Havera, Stephen P.; Horath, Michelle M.", "title": "Nesting Biology of Mallards in West-central Illinois", "date": "2009", "keywords": "breeding; brood; central; dakota; days; duckling; et al; female; habitat; illinois; johnson; mallards; natural; nest; nest success; nesting; north; population; prairie; recruitment; season; size; study; success; survival; table; west; wildl; years", "summary": "In their landmark study conducted in North Dakota, Cowardin et al. (1985) estimated Mallard nest success (Mayfield-Johnson) at 8.5% in agricultural environments; they predicted that a nest suc- cess rate of 15% was needed to maintain stable Mallard populations in that state. Mallard nest success and recruitment in Prairie Canada.", "mime": "application/pdf"}, {"id": "inhs-96", "words": "17345", "extension": ".pdf", "flesch": "65", "author": "Ebinger, John E.; Phillippe, Loy R.; Handel, William C.; Cunningham, Connie J.; McClain, William E.; Nyboer, Randy; Bittner, Todd", "title": "Vascular Plant Communities of the Green River Lowlands in Northwestern Illinois", "date": "2009", "keywords": "---2; area; arundinacea; bulletin; canadensis; carex; communities; county; cover; dominant; fire; freq; frequency; green; green river; ground; grswa; history; illinois; importance; layer species; lee; lowlands; marsh; meadow; mean; mesic; michx; natural; persicaria; phalaris; plant; plots; river; sand; sand prairie; sedge; species; species freq; state; summer; survey; table; total; value; var; vegetation; wet; wildlife; zone", "summary": "P32434 Xanthium strumarium L. var. P32608 Cyperus squarrosus L.: P34699 Cyperus strigosus L.: P32412 Eleocharis acicularis (L.) Roem. & Schultes: P32417 Eleocharis compressa Sull.:", "mime": "application/pdf"}, {"id": "inhs-98", "words": "301", "extension": ".pdf", "flesch": "64", "author": "Sewall, J. A.", "title": "Sodic pinate as a test for lime", "date": "1876", "keywords": "solution", "summary": "Pinic acid or sodic pinate precipitate salts of calcium, magnesium and iron. It will be seen from th\ufffd above that the sodic pinate is a much more delicate test for calcic salts than the ammonic oxalate.", "mime": "application/pdf"}, {"id": "inhs-99", "words": "8171", "extension": ".pdf", "flesch": "85", "author": "Nelson, E. W.", "title": "Partial catalogue of the fishes of Illinois", "date": "1876", "keywords": "collection; common; cope; dorsal; genus; head; illinois; lake; length; michigan; raf; river; species; specimens; state; tributaries", "summary": "Genus Notemigoims^ Raf. 110. i\\^. a7nericanus,{L.) Jord. Genus Ichthyohus^ Raf.", "mime": "application/pdf"}]