BULLETIN ,ap0riit0! NATURAL HISTORY. Champaign, Illinois. VOLUME 11. Article V.—List of the Described Species of Fresh Water Crustacea from America^ North OF Mexico. BY LUCIEN M. UNDERWOOD, PH. D. 1886. .1. W. FRANKS A SONS, PRINTERS AND BINDERS. PEORIA, ILLINOIS. of iV>S'°'' iOu .<^. ^^TO^O Article V.— List of the Described Species of Fresh Water Crustacea from America^ North of Mexico. By Lucien M. Underwood, Ph.D. INTRODUCTOKY. The ecouomic relations of the fresh water Crustacea are rapidly calling them into general notice, since their importance as the natural food supply of many of our most valuable fishes is established beyond question. It has seemed desirable that our scattered literature on this subject should be indexed and made available to students. The following preliminary list is not intended as a complete arrangement of genera and species. A thorough revision of many of these groups must precede any permanent arrangement, and this is not possible at present. It is, therefore, merely an index to the described species, with such references to American and foreign literature as will place the student in a position to make use at once of all that pertains to each species. In case a full synonymy is given in standard works, like those of Leydig, Glaus, P. E. Miiller, Briady, etc., it has not been thought desirable to repeat this synonymy, but merely to refer to the author giving it in full. For this reason all the European papers are not repeated for all the species they describe. In the American literature, how- ever, it has seemed desirable to give ev^ery reference to each species, even at the risk of too great repetition. The study of our fresh water Crustacea, with that of their marine congeners, commenced with Thomas Say, and has since attracted the attention of over thirty different writers, nearly all of whom have added one or more new species to our lists. Certain groups, like the Phyllopocla and Astacicke^ have been carefully monographednand furnish a literature of great value; in others sufficient work has been accomplished to furnish a broad, if not a substantial, basis for further study; while in 324 Illinois State Laboratory of Natural History. several others the ground has scarcely been broken, save by the brief and miscellaneous descriptions of new species. As in all such miscellaneous work there has been much looseness of definition and probably partial or complete re-description, many of the species as given in the following list will ulti- mately be reduced to synonyms or otherwise disappear from sight. While we deplore this looseness we cannot wholly ignore work because it has been poorly performed, as some of our recent carcinologists have been prone to do. The species of fresh water Crustacea, as given herein, com- prise 313 names, distributed in 88 genera and 29 families, as follows : COPEPODA .... OSTRACODA ... Cladocera ... PlIYLLOPODA. Amphipoda.. ISOPODA DecapodA .. Families. Table of Distribution of Species as known at the present time. 326 niinols State Laboratory of Natural History. 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. Massachusetts with 48 and Wisconsin with 34 owe much to the study of the Cladocera by Prof. E. A. Birge. Illinois with 30, to which might properly be added most of the 15 of Lake Michigan, shows the careful research of Prof. S. A. Forbes. Other states owe their relatively high rank to the elaborate monograph of the Astacidse, by Dr. Faxon, that has recently appeared. The contrast between the States above mentioned and others shows the nature of the work for future investigators. When we consider that tiventy- seven of the above States and territories do not exceed fen species (seventeen not exceeding five), and add Delaware, Nevada, Arizona, and Indian Territory, from which no species have been reported, we can begin to realize how meagrely the group has been studied. There ought to be a response by some one, or by many, from all these neglected regions. Of the seven orders the Copepoda* Ostracoda and Clado- cera^i including all the microscopic forms, have been studied only in the eastern half of the United States, if we except six species reported from Colorado by Chambers. In sharp con- trast with this, 20 of the 34 Phyllopoda are known only west of the Mississippi River. Of the 17 Amp}iip)oda four extend to Colorado, five to the Southern States, while the remainder seem confined to northern waters. The Isopoda and Decapoda are more uniformly distributed, and with the Phyllopoda extend to the Pacific coast. The largest genera are Cambarus^ with 50 species, Cyclops with 21 species, Daphnia with 15 species, Porcellio with 15 species, Cypris with 11 species, all the rest falling below 10. Forty-one of the 88 genera are represented by a single species. In the preparation of this list the compiler has been greatly aided by kind-hearted zoologists who have furnished copies of their papers, cited references, corrected synomymies, and otherwise contributed to the completeness of the list. Their generosity entitles them to public thanks by the compiler and by all who may use this list when published. Their names *This remark does not properly apply to the parasitic forms, as some species have been reported from the Pacific coast. Described Species of Fresh Water Crustacea. 327 need not be mentioned here, for they comprise the entire number of living American writers, whose names appear in the following pages. Syracuse University, April 1, 18SG. I. List of the Species. ORDER COPEPODA. FAMILY OALANID^. I. DiAPTOMUS Westw. 1. D. ARMATUS Herrick. lOtli Rep. Geol. Minn. 233 (1882); Final Report, 139 (1884). Hah.—Minnesota {Herrick). 2. D. KENTUCKYENSis Chambers. Jour. Cincinnati See. Nat. Hist, iv, 48 (1881). Hob-—Kentucky {Chambers). 3. D. LEPTOPUS Forbes. Araer. Nat. xvi., 646 (1882). D. longicornis, var. lejjtopus Herrick. Final Report, 140, 186 (1884). Hab.—Massachusetts and Illinois {Forbes). 4. D. LONGicoRNis Herrick. 7th Rep. Geol. Minn. 90 (1879;; Final Report, 140, 141 (1884). D. castor Herrick. 10th Rep. Geol. Minn. 221 (1882); Amer. Nat. xiii, 624 (1879). Hab.—Minnesota (Herrick). 5. D. MiNKETONKA Herrick. Final Report, 138 (1884). Hab.—Minnesota {Herrick). 6. D. PALLIDUS Herrick. 7th Rep. Geol. Minn. 91 (1879); Amer. Nat. xiii, 383 (1879); Final Report, 142 (1884). Hab.—Minnesota (Herrick). Described Species of Fresh Water Crustacea. 329 7. D. SANGUINEUS Forbes. Bull. 111. Lab. Nat. Hist., No. 1, 15 (1876); Amer. Nat. xvi, 647 {1^^2). — GissJer. Amer. Nat. xv, 689 {\S^1).—Herrich. Amer. Nat. xvii, 382 (1883); Final Report, 138 (1884). Hah.—Illinois {Forbes), New York (Oissler), Alabama and Minne- sota (Herricl). 8. D. siciLis Forbes. Amer. Nat. xvi, 645 (1882). D. pallidus, var. s?c///s Herrick. Final Report, 142 (1884). Hab.—Lake Michigan {Forbes), Minnesota {Hernck). 9. D. STAGXALis Forbes. Amer. Nat. xvi, 645 (1882). —Herrick. Final Report, 139 (1884). D. f/ifjanteus Herrick. lOtli Rep. Geol. Minn. 222 (1882). Hah.—Illinois (Forbes), Minnesota {Herrick). II. Epischura Forbes. 1. E. FLUViATiLis Herrick. Amer. Nat. xvii, 384 (1883); Final Report, 133 (1884). Hab.—Alabama {Herrick). 2. E. LACusTRis Forbes. Amer. Nat. xvi, 648 (1882). —Herrick. Final Report, 131 (1884). '?Scopiphora vagans Pickering MS. in DeKay. Nat. Hist. N. Y. vi, 62 (1844). Hab.—Lake Michigan {Forbes), L. Ontario {Pickering). III. LiMNOOALANUS Sars. 1. L. MACRURUS Sars. Oversigt af de indenlandske Fersk- vands Copepoder {18(S2).—Forhps. Amer. Nat. xvi, 648 (1882). —Herrick. Final Report, 134 (1884). Hab.—Lake Michigan {Forbes). IV. OSPHRANTICUM FoRBES. 1. 0. LABROXECTUM Forbes. Amer. Nat. xvi, 645 (1882). —Herrick. Final Report, 134 (1884). Pofamoichetor fucosus Herrick. lOtli Rep. Geol. Minn. 224 (1882). Hab.—Illinois {Forbes), Minnesota {Hernck). 330 Illinois State Lahora hy of Natural History. FAMILY CYOLOPID^. I. Cyclops Mull. 1. C. AGiLis Koch. Deutschlands Crustaceen h. xxi, t., 11 {18^8).—Forbes. Amer. Nat. xvi, 649 (1882). Hab.—Illinois (Forbes). 2. C. ATER Herrick. 10th Rep. Geol. Minn. 228 (1882); Final Report, 145 (1884). lZ'a?>.— Minnesota (Herrick). 3. C. BREVispiNOSUS HeiTick. Final Report, 148 (1884). Hab.—Minnesota (Herrick). 4. C. DiAPHAisrus Fischer. Bulletin de la Soc. Imp. de Moscow, xxvi, 93 (1853).—iJerncA;. Final Report, 160 (1884). Hab.—Minnesota (Herrick). 5. C. ELONGATUS Claus. Die freilebenden Copepoden, 97, t. xi, figs. 1, 2 (1863). — Cragin. Trans. Kansas Acad. Science {188^).—Herrick. Final Report, 144 (1884). Hab.—Massachusetts (Cragin). 6. C. FiMBRiATDS Fischer. Bulletin de la Soc. Imp. de Moscow, xxvi, 94 {18b^).—Herrick. Final Report, 162 (1884). C. crassicornis Herrick. 10th Rep. Geol. Minn. 232 (1882). Hab.—Minnesota (Herrick). 7. C. FLUViATiLis Herrick. 10th Rep. Geol. Minn. 231 (1882); Final Report, 159 (1884). C. magnoctavus Ci'Sigm. Trans.Kansas Acad.Science (1883). Hab.—Massachusetts (Cragin), Minnesota (Herrick). 8. C. INSECTUS Forbes. Amer. Nat. xvi, 649 (1882). —Herrick. Final Report, 152 (1884). Hab.—Illinois (Forbes), Minnesota (Herrick). 9. C. MODESTDS Herrick. Amer. Nat. xvii, 500 (1883); Final Report, 154 ^884). Hab.—Alabama (Herrick). Described Species of ) sh Wafer Crustacea. 831 10. C. NAVicuLARis Say. Jour. Pliila. Acad, i, 441 [1811).—DeKay. Nat. Hist. N. Y. vi, 62 {18U).—Herrick. Final Report, 163 (1884). Hab.—Southern States {Say). 11. C. NAVUS Herrick. lOtli Rep. Geol. Minn. 229 (1882); Final Report, 152 (1884). Hab.—Minnesota (Herrick). 12. C. oiTHoNOiDES Sars. Forhandlinger Videnskabs- Silskabeh, 1862, 2U.—Herrick. Final Report, 150 (1884). ?C. tenuissimus Herrick. Amer. Nat. xvii, 64 (1883). Hab.—Kentucky, Alabama, Minnesota (Herrick). 13. C. PAROUS Herrick. 10th Rep. (3reol. Minn. 229 (1882); Final Report, 148 (1884). Hab.—Minnesota (Herrick). 14. C. PECTiNATUS Herrick. Amer. Nat. xvii, 499 (1883). fidft.— Alabama (Herrick). 15. C. PHALERATUS Kocli. Deutschlands Crustaceen h. xxi, t. 9 (18^8).—Herrick. Final Report, 161 (1884). C. adolescens Herrick. 10th Rep. Geol. Minn. 231 (1882). C. perarmatus Cragin. Trans. Kansas Acad.Science (1883). Hab.—Massachusetts (Cragin), Minnesota (Herrick). 16. C. PULCHELLUS Koch. Deutschlands Crustaceen, h. xxi, t. 2 (1838). — Cragin. Trans. Kansas Acad. Science (1883). Hab.—Massachusetts (Cragin). 17. C. SERRULATUS Fischcr. Bulletin de la Soc. Imp. des Nat. de Moscow, xxiv, 423 ( 1851 ).—Herrick. 10th Rep. Geol. Minn. 230 (1882); Final Report, 157, 163 (1884). C. pectinifer QiYdi^m. Trans. Kansas Acad. Science (1883). ?C. setosKS Haldeman Jour. Phila. Acad, viii, 331. Hab.—Massachusetts (Cragin), Minnesota (Herrick). 18. C. TENUicoRNis Claus. Archiv. fiir Naturgeschichte 1857, 31, Tab. iii, figs. 1-11.—Herrick. 10th Rep. Geol. Minn. 227 (1882); Final Report, 153 (1884). C. sif/natus, var. fasciacornis Cragin. Trans. Kansas Acad. Science (1883). Hab.—Massachusetts (Cragin), Alabama and Minnesota (Herrick). 332 Illinois State Laboratory of Natural History. 19. C. THOMASi Forbes. Amer. Nat. xvi, 649 (1882). —Cragin. Trans. Kansas Acad. Science (1883). — Herrick. Final Report, 153 (1884). Hab.—Massachusetts (Cragin), Lake Michigan (Forbes). 20. C. UNiANGULATUS Cragin. Trans. Kansas Acad. Science {188S).—Herrick. Final Report, 149 (1884). Hab.—Massachusetts ( Cragin). 21. C. viRiDis Fischer. Bull, de la Soc. Imp. des Nat. de Moscow, xxiv 412, t. ix, figs. 1-11 (1851). — Cragin. Trans. Kansas Acad. Science (1883). — Herrick. Final Report, 145 (1884). C. ifigens Eerrick. 10th Rep. Geol. Minn. 228 (1882); Amer. Nat. xvii, 499 (1883). Hab.—Massachusetts (Cragin), Alabama and Minnesota (Herrick). FAMILY HARPACTID^. I. Canthooamptus Westw. 1. C. CAVERJSTARUM Packard. Zoology, 298 (figure only). Hab.—Kentucky (Packard). 2. C. iLLiNoiSENSis Forbes. Bull. 111. St. Lab. Nat. Hist., No. 1, 14 {18ie>).—Herrick. Final Report, 170 (1884). Hab.—Illinois (Forbes). 3. C. MiKUTUS Baird. British Entomostraca, 204, tab. XXV, figs. 4-8, XXX, fig. 3 (ISbO).—Herrick. Final Report, 170 (1884). C. niinutus., var. occidentalis Herrick. 7th Rep. GeoL Minn. 95 (1879). Hab.—Minnesota {Herrick). 4. C. MiKNESOTENSis Herrick. Final Report, 173 (1884). Hab.—Minnesota (Herrick). 5. C, ]sroRTHUMBRicus Brady, var. americanus, Herrick. Final Report, 170 (1884;. Hab.—Minnesota (Herrick). Described Species of Fresh Wafer Crustacea. 333 II. Tachidius. 1. T. FONTICOLA Chambers. .Tour. Cincinnati Soc. Nat. Hist, iv, 47 (1881). Hdb.—Kentucky (Clutmbers). FAMILYiERGASILID^. I. Ergasilus NoiiDM. 1. E. CENTRARCHiDARUM Wright. Proc. Canadian Inst, i, 243 (1882). Hab.—Canada; on various Cenlrarchidx {Wright). 2. E. FUNDULi Kroyer. Natnrhistorisk Tidsskrift, ii, 228, 238, pi. 11, fig. 1 (1863). Hal).—Louisiana; parasitic on Fumlulus Jiinhralx^ {Kroyer). FAMILY CALIGIDiE, I. Lepeophtheirus Nordm. 1. L. SALMONis Kroj^er. Natnrhistorisk Tidsskrift, ii. 137, pi. 17, fig. 1 {im?>).—Swit]i. Rep. U.S. Fish Com. for 1882-83, 662. Hah.—Eastern U.S.; parasitic on the salmon. FAMILY ARGULID^. I. Argulus Mull. 1. A. ALOsiE Gould. Invert. Mass., 340 (1841). Hah.—Massachusetts; parasitic on alewife (GouM). 2. A. CATOSTOMi Dana and Herrick. Araer. Jour. Science, 1st series, xxx, 388 (1836).—5;^^/^/^ Rep. U.S. Fish Com. for 1872-73, 662. Hah.—llJonnecticut ; parasitic on Calostomw^ sp. (Dana). B34 Illinois State Lahoratory of Natural History. 3. A. FUJSTDULi Kroyer. Naturhistorisk Tidsskrift, ii, 20, pi. 2, fig. 1 (ISm).—Smith. Rep. U. S. Fish Com. for 1872-73, 662. Hab. -Louisiana ; parasitic on Fundulus limbatus (Kroyer). 4. A. LEPiDOSTEi Kellicott. Bull. Buff. Soc. Nat. Sciences iii, 214 (1877); Amer. Jour. Micros, iii, 1 (1878); iv, 153, (1879). Hab.—Niagara River {Kellicott). 5. A. PUGETENSis Dana. Crustacea, 1351 (1852). Hab.—Washington Territory (Dana). 6. A. STizosTETHii Kellicott. Amer. Jour. Micros, v, 53 (1880); N. A. Entomologist, i, 57 (1880). Hub.—Niagara River {Kellicott). FAMILY LERN^OOERID^. I. Lern^ocera Blainv. 1. L, CEUCiATA Le Sueur. Jour. Phil. Acad, iii, 286 (1824), DeKaij. Nat. Hist. N.Y. vi, 59 (1844;.—*S'/mY/<. Rep. U. S. Pish Com. for 1872-73, mb.—Kellicott. Proc. Amer. Soc. Mi- cros, i, 64 (1879). Hab.— Lake Erie (Le »SWMr), Michigan {Kellicott). On Centrarchus teneus. 2. L. CATOSTOMi Kroyer. Naturhistorisk Tidsskrift, ii, 321, pi. 18, fig. 4 (ISm).—Smith. Rep. U.S. Fish Com. for 1872-73, 665. Hab.—Mississippi River {Kroyer). On Catostomus macrolepidotus. . 3. L. PECTORALis Kellicott. Proc. Amer, Soc. Micros, iv, 77 (1882). Hab.—Michigan {Kellicott). 4. L. POMOTiDis Kroyer. Naturhistorisk Tidsskrift, ii, 323, pi. XV, fig. 5 (1863). Hab.—Louisiana {Kroyer). On Pomotis sp. 5. L. TORTUA Kellicott. Proc. Amer. Soc. Micros, ii, 41 (1880). Hab.—Tributai'ies of Lake Ontario, New Yorlc {Kellicott). Described Species of Fresh. Winter Crustacea. 335 FAMILY LERN^OPODIDiE. 1. ACHTHERES NoRDM. 1. A. AMBLYOPLiTis Kellicott. Proc. Amer. Soc. Micros, iv, 76 (1882). Hab.—Michigan (KcUicott). 2. A. CARPENTERi Packard. 7th Rep. U. S. Geol. Survey (Hayden), 611 (1874). Hah.—Colorado (Packard). 3. A. coRPULENTUS Kellicott, Proc. Anier. Soc. Micros, iv, 75 (1882). Hab.—Mich igan {Kellicott ) . 4. A. LACJE Kroyer. Naturhistorisk Tiddskrift, ii. 274, pi. 17, fig. 6 (ISQd).—Smith. Rep. U.S. Fisli Com. for 1872-73, 663. Hab.—North America (Kroyer). 5. A. MiCROPTERi Wright. Proc. Canadian Institute, i, 249 (1883). Hab.—Canada ( Wright). 6. A. PiMELODi Kroyer. Naturhistorisk Tidsskrift, ii, 272, pi. 17, fig. 5 (ISGd). -Smith. Rep. U. S. Fish Com. for 1872-73, 662. Hab.—Ohio River (Kroyer). On Pimelodus rnacuJatus. II. Oauloxenus Cope. 1. C. STYGius Cope. Proc. Phila. Acad. 1871, 207; Auier. Nat. vi, 411 (1872); Third and Fourth Rep. Geol. Indiana, 167 {\^12).—Packard. Fifth Rep. Peabody Acad. Sci. 1)4 (1873). Smith. Rep. U. S. Fish Com. for 1872-73, 665. Hab.—Indiana (Cope). III. Lbrn^OPODA Kroyer. 1. L. CALiFoRNiENSis Dana. Crustacea, 137D (1852). /Z«6.— California (Dana). On salmon. 336 Illinois State Laboratory of Natural Ilistorij. 2. L. coREGom Smith. Rep. U. S. Fish Com. for 1872-73, 664, 697. Hab.—Lake Superior (Smith). On Coregonus albus. 3. L. EDWARDSii Olsson. Prodrom. fauna Copepodarum parasit. Scand., 36 (1868).— Wriyht. Proc. Canadian Inst, i, 246 (1883). Hab.—Canada ( Wright). 4. L. FONTiNALis Smith. Rep. U. S. Fish Com. for 1872- 73, 663. Hab.—Maine (Smith). On Salmo fontinalis. 5. L. siscowET Smith. Rep. U. S. Fish Com. for 1872-73, 664, 697. Hab.—Lake Superior (Smith) . On Sahno siscowct. OEDER OSTRACODA. FAMILY CYPRIDID^. I. Candona Bairu. 1. C. ELONGATA Herrick. 7th Rep. Geol. Minn. 113, (1879). Hab.—Minnesota (Herrick). 2, C. ORNATA Herrick. 7th Rep. Geol. Minn. 113 (1879). Hab.—Minnesota (Herrick). II. CyPRIS MtJLL. 1. C. AGiLis Haldeman. Proc. Phihi. Acad. 1841, 53. — DeKay. Nat. Hist. N.Y. vi, 65 (1844). Hab.—Pennsylvania (Haldeman). 2. C. ALTissiMUS Chambers. Bull U. S. Geol. Survey (Hayden) iii, 152 (1877). Hab.—Colorado (Chambers). 3. C. DISCOLOR Haldeman. Proc. Phila. Acad. 1842, 166. Hab.—Pennsylvania (Haldeman). Described Species of Fresh Water Crustacea. 337 4. C. GRANDis Chambers. Bull. U. S. Geol. Survey (Hay- den) iii, 151 (1877). Hah.—Colorado ( Chambers). 5. C. HispiDA DeKay. Nat. Hist. N. Y. vi, 64 (1844). ZTaft.—New York and New Jersey (DeKay). 6. C, MONs Chambers. Bull. U. S. Geol. Survey (Hayden) iii, 153 (1877). Hab.—Colorado ( Chambers). 7. C. NEGLECTA Herrick. 7tli Rep. Geol. Minn. 112 (1879). Hah.—^Minnesota (Herrick). 8. C. scABRA Haldeman. Proc. Phila. Acad. 1842, 184. Hab.—Massachusetts (Haldeman). 9. C. SIMPLEX Haldeman. Proc. Phila. Acad. 1841, 53. — DeKay. Nat. Hist. N. Y. vi, 65 (1844). Hah.—Pennsylvania (Haldeman). 10. C. VIDUA Miiller. Zool. Dan. Prod. No. 2384 (1776) ; Entomostraca 55, t. 4, figs. 7-9 (1785). — Herrick. 7th Rep. Geol. Minn. 112 (1879). Hub.—Minnesota (Herrick) . 11. C. viTREA Haldeman. Proc. Phila. Acad. 1842, 166. Hah.—Pennsylvania (Haldeman). III. NOTADROMUS LiLLJEB. 1. N. MONACiius Lilljeborg. De Crustaceis ex. ord. tril)us, 95, t. viii, figs. 1-15 (1853 ).—//^r/vV/.-. 10th Rep. Geol. Minn. 252 (1882). Cifpris i)K)}iar]uis^l.\x\\eY. Entomostraca, 60, t. 5, figs. 6-8, (1785). Hab.—Minnesota (Herrick). IV. Cytherina Lam. 1. C. BiFAsciATA Say. Jour. Phila. Acad, i, 439 (1817). DeKay. Nat. Hist. N. Y." vi, 65 (1844). Hab.—Georgia and Florida (Say). 338 Illinois State Laboratory of Natural History. OEDEE CLADOCEEA. FAMILY SIDID^. I. SiDA Stkauss. 1. S. CRYSTALLINA Strauss. Mem. du Museum, t. vi ( 1820). —Birge. Trans. Wis. Acad, iv, 78 {1811).—Herrick. 7th Rep. Geol.Minn.99 (1879); 10th Rep. Geol. Minn. 235 (1882); Final Report, 20(1884). Daphnia crystalUna Miiller. Entomostraca, 96, t. 14, figs. 1-4 (1785). ^0,6.—Massachusetts, Lake Michigan, and Wisconsin (Birge); Min- nesota (Herriclc). II. PSEUDO-SlDA HeRRICK. 1. P. BiDENTATA Herrick. Final Report, 20 (1884). i/ab.—Alabama {Herrick). III. Daphnella Baird. I. D. BRACHYURA Baird. British Entomostraca, 109(1850). —Herrick. 10th Rep. Geol. Minn. 236 (1850); Final Report, 21 (1884). D. ivinchelli Herrick. 7th Rep. Geol. Minn. 122 (1879). ? D. exspinosa Birge. Trans. Wis. Acad, iv, 79 (1877). Sida brachytira Lievin. Branchiopoden der Danziger Um- gegend, 20, t. iv, figs. 3-9 (1848). IV. Latona Strauss. 1. L. SETiFERA Strauss. Mem. de Museum, v, (1820). — Birge. Chicago Med. Jour, and Ex. xvi, 585 (1881).—Herrick. Final Report,^22 (1884). Daphnia setifera Miiller. Entomostraca, 98, 1. 14, figs. 5-7 (1785). ifa6.—Massachusetts and Lake Michigan {Birge). Described Species of Fresh Water Crustacea. 339 FAMILY HOLOPEDID^. I. HOLOPEDIUM Zadd. 1. H. GiBBEKUM Zaddacli. Archiv. fiir Naturgeschichte, 1855, 159, t. viii, ix.—Forbes. Amer. Nat. xvi, 641 (1882).— Herrick. Final Report, 22 (1884). Hab.—Lake Michigan (Forbes). FAMILY DAPHNID^. I. MOINA Baied. 1. M. RECTiKOSTKis Baircl. British Entomostraca, 101, t. xi, figs. 1, 2 {18bO).—Bir(/e. Trans. Wis. Acad, iv, 79 (1877). Herrid: 10th Rep. Geol. Minn. 237 (1882); Final Report, 34 (1884). M. brachiata Baird I.e. 102, t. ix, figs. 1, 2. Daphnia rectirostris Miiller. Entomostraca, 92, t. 12, figs. 1, 2 (1785). Hab.—Alabama and Minnesota {Hei'Hck); AVisconsin (Birge). II. Oeriodaphnia Dana. 1. C. ALABAMEN8IS Hprrick. Amer. Nat. xvii, 503 (1883); Final Report, 38 (1884). Hab.—Alabama {Herrick). 2. C. coNSORS Birge. Trans. Wis. Acad, iv, 81 (1877). —Herrick. Final Report, 40 (1884). Hub.—Wisconsin (Birge). 3. C. CRISTATA Birge. Trans. Wis. Acad, iv, 82 (1877). Herrick. Final Report, 38 (1884). ? Daphnia reticulata Herrick. 7th Rep. Geol. Minn. 104 (1879). Hab.—Massachusetts and Wisconsin (Birge); Minnesota (Herrick). 5. C. LATICAUDATA P. E. Muller. Diinmarks Cladocera, 130. t. i, fig. 19 {imS).—Herrick. Final Report, 39 (1884). Zfa 6. —Minnesota (Herrick). 340 Illinois State Lahoratory of Natural History. 6. C. PARVA Herrick. Amer. Nat. xvii, 504 (1883). fi"a6. —Minnesota {Herrick). 7. C. sciTULA Herrick. Final Report, 40 (1884). • Hab.—Minnesota (Herrick). TIL SOAPAOLEBERIS SCHODL. 1. S. ANGULATA Herrick, Amer. Nat. xvii, 502 (1883); Final Report, 44 (1884). Hab.—Mississippi and Alabama (Herrick). 2. S. ARMATA Herrick. lOth Rep. Geol. Minn. 243 (1882) ; Final Report, 43 (1884). Hab.—Alabama, and Minnesota (Herrick). 3. S. AURITA Birge in Herrick's Final Report, 175 (1884). S. nasuta Birge. Trans. Wis. Acad, iv, 85 (1877). — Her- rick. Final Report, 43 (1884). Dajjhnia aurita Fischer, Bull. Naturforscli. Gesellscli. in Moscau, xxii (1849). Hab.—Wisconsin (Birge). 4. S. MUCRONATA Scliodler. Branchiopoden der Umge- gend von Berlin, 23 (1858). — Birye. Trans. Wis. Acad. iv. 84 {181'1).—HerrieL lOtli Rep. Geol. Minn. 241 (1882); Final Report, 42 (1884). Daplinia mucronata Milller. Entomostraca, 94, t. xiii, figs. 6, 7 (1785).—i/m-M. 7tli Rep. Geol. Minn. 104 (1879), Hab.—Eastern United States. IV. SiMOOEPHALUS ScHODL. 1. S. AMBRiCANUS Birge. Trans. Wis. Acad, iv, 82 (1877). —Herrick. Final Report, 47, 49 (1884). Hab.—Mississippi and Minnesota (Herrick); Wisconsin (Birge). 2. S. DAPHNOiDES Herrick. Amer. Nat. xvii, 503 (1883); Final Report, 48 (1884). Hab.—Alabama (Herrick). 3. S. ROSTRATUS Herrick. Final Report, 47 (1883). Hab.—Mississippi (Herrick). Described Species of Fresli Water Crustacea. 341 4. S. VETUi.us Schodler. Braiichiopodeii der Umgegend von Berlin, 18 ( 1858 ).—5/rr/?. Trans. Wis. Acad, iv, 82 (1877). —Herrick. 7th Rep. Geol. Minn. 103 (1879); Final Report, 46 (1884). Dajihne retula, Miiller. Zool. Dan. Prod. No. 2399 (1776). Hab.—Wisconsin {Birge), Minnesota {Herrick). V. Daphnia Mull. 1. I). AHRUPTA Haldenian. Proc. Pliila. Acad. 1842, 184. ifa6.—Pennsylvania (Haldeman) . 2. D. ANGULATA Say. Jour. Pliila. Acad, i, 440 (1817). DeKa!/. Nat." Hist. N.Y. vi, 65 (1844). Hah.—Southern States (Say). 3. D. BREViCAUDA Chambers. Bull. U. S. Geol. Survey ( Hayden ) iii, 154(1877). Hab.—Kentucky and Colorado {Chamben^) . 4. D. DUMA Herrick. Amer. Nat. xvii, 501 (1883); Fi- nal Report, 61 (1884). Hab.—Minnesota {Herrick). 5. D. GALP]ATA Sars. Om en Sonimeren 1862, foretaojen zoologisk Reise i Christianias og Trondhjems Stiftor, 21 ( 1863). P. E. Miiller. Naturhistorisk Tidsskrift, v, 117, pi. i, fig. 6 (1868).—>S';/^////. Rep. U.S. Fish Com. for 1872-73, 695.—//e/-- rick. Final Report, 61 (1884). Hab.—Minnesota (Herrick); Lake Superior {Sriiith). 6. D. HYALINA Leydig. Naturgeschichte der Daphniden, 151, t. i, figs. 8-10 ( imO).—Forhes. Amer. Nat. xvi, 642 ( 1882 ). —Herrick. Final Report, 60 (1884). D. hngispina Herrick. Amer. Nat. xvii, 501 (1883). D. pelhicida P. E. Miiller. Naturhistorisk Tidsskrift, v. 116, pi. 1, fig. 5 {im^).—Smith. Rep. U.S. Fish Com. 1872-73, 696. Hab.—Kentucky and Minnesota (Herrick), Illinois and Lake Michi- gan (Forbes), Lake Superior {SmitJi). 342 Illinois State Lahoratonj of Natural History. 7. D. KALBERGENSis Schodler. Die Claclocera des frischen Hiiffs, 18 t. i, figs. 1-3 {18m).—Herrick. Final Report, 63 (1884). Hab.—Minnesota, [Herrich). 8. D. KERUSSES Cox, Amer. Monthly Micros. Jour, iv, 88 {\d>m)—KeUicott. Proc. Amer. Soc. Micros, vi, 129 (1884). llah.—Wisconsin {Cox), New York (Kellicott). 9. D. MAGNicEPS Herrick. Final Report, 64 (1884). Ilab.—Minnesota (IlerricJ:). 10. D. MINNEHAHA Herrick. Final Report, 59 (1884). Ifah.—Minnesota {Ilerricl). 11. D. PULEX riaus. Mem. de Museum, vii, 158 (1820).— Smith. Rep. U.S. Fish Com. for 1872-73, m^.—Birge. Trans. Wis. Acad, iv, 87 (1811).—Herrick. 7th Rep. Geol. Minn. 101 (1879); 10th Rep. Geol. Minn. 238 (1882); Amer. Nat. xvii, 501 (1883); Final Report, 56 (1884). Hab.—Massachusetts and Wisconsin {Birge), Alabama and Minne- sota (Herrick), Lake Superior {Smith). 12. D. RETICULATA Haldeman. Proc. Phila. Acad. 1843, 196. Hab.—Pennsylvania {Haldeman). 13. D. KETROCURVA Forbes. Amer. Nat. xvi, 642 (1882). Hab.—Illinois {Forbes). 14. D. ROSEA Sars. Ora de i Omegn. af Christania fore- kora. Cladocera, 268 {1862).—Herrick . Final Report, 59 (1884). Hab.—Minnesota (Herrick) . 15. D. ROTUNUATA Say. Jour. Phila. Acad, i, 440 (1817.) —DeKaij. Nat. Hist. N. Y. vi, 65 (1844). Hab.—Southern States (Say). FAMILY BOSMINID^. 1. BOSMINA BairD. 1. A. coRNUTA Baird. Trans. Berwick Nat. Club, ii, 149 ( ).—Birge. Trans. Wis. Acad, iv, 91 (1881).—Herrick. 10th Rep. Geol. Minn. 244 (1882). ^Descrihed Species of Fresh Water Crustacea. 343 Monocidus cornutus J urine. Hist. d. Monocles qui se trou- veut aux environs cle Geneve, 142, t. xiv, figs. 8-10 (1820). Ilah.—Massachusetts (Birge), Minneeota {Uerrick). 2. B. LOXGiROSTRLS Baircl. Ann. and Mag. Nat. Hist, xvii, 412 ( ); British Entomostraca, 105, t. xv, fig. 3 (1850).— Bircfe. Trans. Wis. Acad, iv, 91 {1^1^).—Herrich. 7tli Rep. Geol. Minn. 109 (1878); 10th Rep. Geol. Minn. 244 (1882). LijnccHS loKjirostris Miiller. Entomostraca, 76, t. x, figs. 7, 8 (1785). ITab.—Massachusetts and Wiscousin {Birge), Minnesota (ITernck). 3. B. STRIATA Herrick. 10th Rep. Geol. Minn. 32 (1882 ) ; Final Report, 66 (1884). Ifah.—Minnesota {Ilerrick). FAMILY LYNCODAPHNID^. I. Macrothrix Baird. 1. M. pauper Herrick. 10th Rep. Geol. Minn. 245 ( 1882 ) ; Final Report, 70 (1884). Ifah.—Minnesota (ITernck). 2. M. ROSEA Baird. Trans. Berwick Nat. Cluh, ii, 149 ( ); British Entomostraca, 104 (18bO).—Bir(je. Trans. Wis. Acad, iv, 90 (IHll).—Herrick. Final Report, 69 (1884). Ilah.—Wisconsin (Birge.) 3. M. TEXUicoRXis Kurz. Dodekas neuer Cladocera, 26, t. iii, fig. 1 (ISU).—Herrick . 10th Rep. Geol. Minn. 245 (1882); Final Report, 70 (1884). M. agilis Herrick. 7th Rep. Geol. Minn. 106 (1879). IFah.—Minnesota (Ilerrick) . II. LATHONURA Lilljeb. 1. L. RECTiROSTRis Lilljeborg. De Crustaceis ex ordinis tribus, 57, t. iv, figs. 8-11, t. v, fig. 2, t. xxiii, figs. 12-13 (1853). —Birge. Trans. Wis. Acad, iv, 89 (1811).—Herrick. Final Report, 71 (1884). Daph Ilia rectirostris Miiller. Entomostraca, 92, t. xii, figs. 1-3 (1785). Hah.—Minnesota {Ilerrick). 344 [Jlinois State Lahoratonj of Natural History.* III. Lyncodaphnia Hereick. 1. L. MACROTHROiDES HerHck. Amer. Nat. xvi, 1007 (1882); lOfch Rep. Geol. Minn. 247 (1882); Final Report, 75 (1884). Ilah.—Minnesota {Ilerrick). IV. ILIOORYPTUS SarS. 1. I. spiNiFER Herrick. lOfch Rep. Geol. Minn, 24G (1882); Final Report, 77 (1884). Bull. Scientific Lab. Deuison Uni- versity, i, 39 (1885). Hah.—Minnesota [Ilerrick). FAMILY LYNOEIDiE. I. EURYOERCUS BairD. 1. E. LAMELLATUS Baird. Ann. and Mag. Nat. Hist, ii, 88, t. ii, figs. 1-8 (1843); British Entoniostraca, 124, t. xv, fig. 1 {imO).—Smith. Rep. U. S. Fish Com. for 1872-73, 696.— Birge. Trans. Wis. Acad, iv, 92 (1811).—Herrick. 7th Rep. Geol. Minn. 122 (1879); lOth Rep. Geol. Minn. 248 (1882); Final Report, 80 (1884). Lynceus Jamellatus Miiller. Entoniostraca, 73, t..ix, figs. 4-6 (1785). Hah.—Minnesota (Herrick), Lake Superior (SmitJi). II. AOROPERUS Baird. 1. A, LEUCOCEPHALUS Scliodler. Neue Beitrage zur Natur- geschichte der Cladoceren, 30, t, i, figs. 11-16 (1863). — Birge. Trans. Wis. Acad, iv, 109 (1811).—Herrick. Final Report, 'si (1884). Lynceus leucocephalus Koch. Dentschlands Crnstaceeu, h. 36, pL X (1838). //o/y.—Massachusetts and Wisconsin [Birge). Described Species of FresJi ^V((trr C)'iisfare<(. 345 III. OAMPTOCERCUS Bairi). 1. C. MACRURUS Baird. Ann. and Maoj. Nat. Hist, ii, 91, t. 3, figs. 5, 6 (1843); British Entomostraca, 128, t. xvi, ficr. 9 {IHmj.—Birge. Trans. Wis. Acad, iv, 109 {IH^II). -Herrick. 7th lisp. Geoi. Minn. 107 (1879); 10th Rep. Geol. Minn. 249 (1882); Final Report, 84 (1884). Lijuceus macrunis Milller. Entomostraca, 77, t. 10, figs. 1-3 (1785). Ifab.—Massachusetts, Wisconsin, and Lake Michigan (Birge), INIin- nesota {Uerrick). 2. C. ROTUNDUS Herrick. 10th Rep. GeoL Minn. 249 (1882); Final Report, 84 (1884). Hall.—^Minnesota {Ilcirick). IV. Alonopsis Sars. 1. A. latissima Knrz. Dodekas neuer Cladoceren, 40, t. ii. figs. 13-15 (1874).—7/^>rr/('/.'. Final Report, 86 (1S84). Jfaf>.—INIinnesota {Ilcrrick). 2. A. MEDIA Birge. Trans. Wis. Acad, iv, 108 (1877).— irrn-irl.: Final Report, 86 (1884). Hall.—M i nnesota ( Herrick). V. Leydigia Kurz. 1. L. ACANTHOCERCOiDES Kurz. Dodekas nener Cladoce- ren, 53 {1814.).—Herrick. Final Report, 89 (1884). L. quadramjuJfiris Herrick. lOtli Rep. Geol. Minn. 248 (1882). Lynceus ncanthocercoides Fischer. Bull. Soc. Nat. de Mos- cou, 1854, 431, t. iii, figs. 21-25. ITah.—^linnesota {Herrick). 2. L. QUADRANGULARis Kurz. Dodekas neuer Cladoceren, 52, t. ii, fig. 1 (1874).—//e/-;vV"/.-. Final Report, 88 (1884). Hah.—Alabama {Herrick). 34G Illinois State Laboratory of Natural History. VI. Graptoleberis Saes. 1. G. TESTUDiNARiA Kurz. Dodekas neuer Cladocereii, 54, t. ii, figs. 11, 12 (1874).—Ffrr/c/.-. Final Report, 90 (1884). G. inermis Birge. Trans. Wis. Acad, iv, 102 (1877). — Herrick. 10th Rep. Geol. Minn. 250 (1882). Lyncetis testiidinnrius Fischer. Bull. Soc. Nat. de Mos- con, 1854, t. ix, figs. 1, 2. Hah- -Massachusetts and Wisconsin (Birgr), Minnesota {Ilerrick). VII. Crepidooerous Birge. 1. C. SETiGER Birge. Trans. Wis. Acad, iv, 102 (1877). —Herricl: 10th Rep. Geol. Minn. 250 (1882); Final Report, 91 (1884). Hub.—Wisconsin {Birge), Minnesota {Ilerrick). VIII. Alona Baird. 1. A. AFFiNis Schodler. Neue Beitrage zur Naturge- schichte der Cladoceren, 19 (1883). — Herricl-. Final Report, 98 (1884). Lynceus affinis Leydig. Naturgeschichte'der Daphniden, 223, t. ix, figs." 68, 69 (1860). Ilab.—Minnesota (Herricl:). 2. A. AN6ULATA Birge. Trans. Wis. Acad, iv, 104 (1877). —Herrick. Final Report, 95 (1884). Hah.—Massachusetts {Birge). 3. A. GLACiALis Birge. Trans. Wis. Acad, iv, 106 (1877). —Herrick. Final Report, 100 (1884). Hah.—Massachusetts (Birge). 4. A. LiNEATA Schodler. Neue Beitrage zur Naturge- schichte der Cladoceren, 20, t. i, fig. 23 (ISm).— Herrick. Final Report, 96 (1884). Lynceus lineatns Fischer. Bull. Soc. Nat. de Moscou, 1854, 429, t. iii, figs. 15, 16. Hah.—Mini-esota (Herricl:). Described Species of Fresh ]]''ater Crustacea. 347 5.A . obloxCtA p. E. Miiller. Natiirhistorisk Tidsskrift, V, 175, pi. iii, figs. 22, 23 (ISOSj.—Birge. Trans. Wis. Acad, iv, 107 {ISll ).—Herrick: 10th Rep. Geol. Minn. 250 (1SS2): Final Report, 97 (1884). Hall.—Wisconsin (Birge), Minnesota [Herrick). 6. A. PARVULA. var. tuberculata Herriek. Final llojiort, 100 (1884). A. tiihercuJdta Kurz. Dodekas neuer Cladocoren, 51, t. ii, fig. 3 (1874). Ifah.—^lassachusetts [Ilerrick). 7. A. PORRECTA Birge. Trans. Wis. Acad, iv, 105 (1877). —Ilerrick . Final Report, 99 (1884). Ilah.—Massachusetts and Wisconsin (Birgr). 8. A. QUADRANGULARTS Baird. Ann. and Mag. Nat. Tlist. ii, 92, t. 3, figs. 9-11 (1843); British Entoniostraca, 131, t. xvi, fig. 4 ( 1^m).—Herriek. Final Report, 97 ( 1884 ). Lynreus (juaclrauf/nho-is Miiller. Entoniostraca, 72, t. ix, figs. 1-2.—Herriek. 7'th Rep. Geol. Minn. 107 (1879). ITah.—Minnesota {Ilerrick). 9. A. SAJfGUiNEA P. E. Miiller. Natarhistorisk Tidsskrift, V, 177 {imS).—Herriek. Final Report, 95 (1884). Hah.—Minnesota {Ilerrick). 10. A. spixiFERA Schodler. Neue Beitriige znr Natnrge- schichte der Cladoceren, 18, pi. i, figs 17-22 (18G3).—/^/r.(/r Trans. Wis. Acad, iv, 107 {IHTi ).—Herriek. Final Report, 99 (1884). Ifah.—Massachusetts and Wisconsin {Birge). IX. Alonella Sars. 1. A. EXciSA Kurz. Dodekas neuer Cladoceren, 59 (1874). —Herriek. Final Report, 103 (1884). ?PleuroxHS insculptus Birge. Trans. Wis. Acad, iv, 95 (1877). Lyncens excisus Fischer. Ilah.—Massachusetts and Wisconsin? {Birge), Minnesota {Ilerrick). 2. A. PULCHELLA Herrick. Final Report, 103 (1884). Ilah.—jMinnesota (Ilerrick). 348 Illinois State Laboratory/ of Natural Histonj. 3. A. PYGM^A Kurz. Dodekas neuer Cladoceren, 61, t. iii, fig. 7 (lS14:).—Herrick. Final Report, 105 (1884). //«/>.—Minnesota? (Iferrick). X. Pleuroxus Baird. 1. p. ACUTiROSTRis Birge. Trans. Wis. Acad, iv, 99 {lS11).—HerricJ:. Final Report, 109 (1884). IFah.—Massachusetts {Birge). 2. P. AFFiNis Herrick. Final Report, 111 (1884). Hah.—Alabama {Ilerricl). 3. P. DENTiouLATUS Birge. Trans. Wis. Acad, iv, 98, ( 1S11).—Herrick. Final Report, 1 10 ( 1884 ). Ilah.—Massachusetts, Lake Michigan, and Wisconsin (Birge), Min- nesota and Alabama {Ilerrich). 4. P. HAMATUS Birge. Trans. Wis. Acad, iv, 98 (1877). —Herrich. Final Report, 110 (1884). Hah.—Massachusetts {Birge), Alabama {Herrick). 5. P. PROCURVUS Birge. Trans. Wis. Acad, iv, 92 (1877). —Herricl: 10th Rep. Geol. Minn. 250 (1882); Final Report, 113 (1884). Hah.—Massachusetts and Wisconsin [Birge), Minnesota {Herricl). 6. P. STRAMiNEUS Birge. Trans. Wis. Acad, iv, 94 (1877). —Herrick. Final Report, 108 (1884). Hah.—Massachusetts {Birge). 7. P. UNIDENS Birge. Trans. Wis. Acad, iv, 97 (1877). —Herrick. 10th Rep. Geol. Minn. 250 (1882); Final Report, 111 (1884). Hah.—Wisconsin {Birge), Minnesota and Alabama {Herrick). XL Ohydorus Leach. 1. C. c.^LATUS Schiidler. Neue Beitrage znr Naturge- schichte der Cladoceren, 15, t. ii, fig. 44 (1863). — Herrick. Final Report, 117 (1884). Hah.—Minnesota {Herrick). Described Sjiecies of Fresh Wafer Crustacea. B49 2. C. GLOBOSUS Baird. Ann. and Mag. Nat. Hist, ii, 90^ t. 3, figs. 1-4 (1843); British Entomostraca, 127, t. xvi, fig. 7, {lS50).—Birf/e. Trans. Wis. Acad, iy, 100 (1877).—7/crr/r/.'. Final Report^ 116 (1884). Hab.—Wisconsin (Birge), Minnesota [Jlerricli). 3. C. sPH.«Ricus Baird. Ann. and Mag. Nat. Hist, ii, 80, t. 2, figs. 11-13 (1843); British Entomostraca, 126, t. xvi, fig. 8 (1850).—i^m;^. Trans. Wis. Acad, iv, dS) (ISll).—Cham- bers. BulL U!S. Geol. Survey (Hayden), iii, 155 (1877).— Herrick. 7th Rep. Geol. Minn. 108 (1879); Final Report, 116 (1884). Ifah.—Massachusetts, Lake Michigan, and Wisconsin {liirgc), Min- nesota {Ilen-ick-), Kentucky and Colorado (Chamhfrs). XIT. MONOSPILUS Sars. 1. M. DISPAR Sars. Crust. Cladoc. i Omgn. af Christiana, 165 {lS(\2).—rf('rri<'k. Final Report, 119 (1884); Bull. Scien- tific Lab. Denison Univ. i, 38 (1885). Hab.—M i nnesota ( Herrick) . FAMILY POLYPHEMID^. I. Polyphemus Mcll. 1. P. PEDICULUS De Geer. Mem. pour serv. a I'histoire Ins. yii, 467, t. 28, figs. 9-13 {111H).—Birgp. Trans. Wis. Acad, iv, 109 (1877).—i^^rr/r/.-. 10th Rep. Geol. Minn. 251 (1882); Final Report, 121 (1884). MonocuJus pediculus Linnst'us. Syst. Nat. (12th Ed.) i, 1058 (1767). Pohiphenms oriilus Miiller. Entomostraca, 119, t, 20, figs. 1-5 (1785). P. occidentaUs Herrick. 7th Rep. Geol. Minn. 122 ( 1879 ) . Hah.—Massachusetts {Birge), IMinnesota {Herrick). 2. P. STAGNALis Herrick. Final Report, 122 (1884). Hah.—Minnesota.? {Herrick). 350 Illinois State Laboratory of Natural History. FAMILY LEPTODORID^. I. LEPTODORA Lilljeb. 1. L. HYALINA Lilljeborg-. Ofversigt af Vetens.-Akad. Forhandl., 1860, 265, pi. vii, figs. 1-22.—Smith. Rep. U. S. Fish Com. for 1872-73, Q>m.—Forhef^. Araer. Nat. xvi, 641 (1882).—/ffrr?H-. Final Report, 123 (1884). i/rt/K—Lake Michigan (Forlies), Lake Superior {Smith). ORDER PHYLLOPODA. FAMILY LIMNADIDJB. I. LiMNETIS LOVEN. 1. L, BREViFRONS Packard. Bull. U. S. Geol. Survey (Hayden),iii, 172 (1877); 12th Rep. U. S. Geol. Survey (Hay- den), ii, 301 (1883). Hub.—Kansas. 2. L. GouLDii Baird. Ann. and Mag. Nat. Hist. 3d ser., x, 393 {18Q2).—Packard. 7th Rep. U. S. Geol. Survey (Hayden), 618 (1874); Bull. U. S. Geol. Survey (Hayden), iii, 173 (1877); 12th Rep. U. S. Geol. Survey (Hayden), ii, 299 (1883).—//?r- rick. //aft.—New Hampshire, Massachusetts, Rhode Island, New York, IlHnois, Canada. 3. L. GEACiLicoRNis Packard. Amer. Jour. Science, 3d ser., ii, 113 (1871); 7th Rep. U.S. Geol. Survey (Hayden), 618 (1874); 12th Rep. U. S. Geol. Survey (Hayden), ii, 302 (1883). ITab.—Texas. 4. L. MUCRONATUS Packard. Amer. Nat. ix, 312 (1875); Bull. U. S. Geol. Survey (Hayden), iii, 172 (1877); 12th Rep. U. S. Geol. Survey (Hayden), ii, 300 (1883). Hab.—Kansas, Montana. Described Species of Fresh Wafer Crustacea. 351 IT. ESTHERIA RtPP. 1. E. J5ELFKAGEI Packard. Amer. Jour. Science, 3d. ser., ii, 112 (1871); 7tli Rep. U. S. Geol. Survey (Hayden), 619 (1874); 12th Rep. U. S. Geol. Survey (Hayden), ii, 309 (1883). //aft.—Texas. 2. E. CALiFORNicA Packard. 6th Rep. Peabody Acad. Science, 55 (1874); 7th Rep. U. S. Geol. Survey (Hayden), 618 (1874); 12th Rep. U.S. GeoL Survey (Hayden), ii, 304 (1883). Ilaf).—California. 3. E. coMPLEXiMANUS Packard. 12th Rep. U. S. Geol. Survey (Hayden), ii, 305 (1883). Eulimnadia compleximanus Packard. Bull. U. S. Geol. Survey (Hayden), iii, 174 (1877). Huh.—Kansas. 4. E. JONESii Baird. Proc. Zool. Soc. London, 147, pi. xv, figs, la, lb, Ic, Id {1^2).—Packard. 7th Rep. U. S. Geol. Survey (Hayden), 619 (1874); 12th Rep. U.S. Geol. Survey ( Hayden), ii, 310 (1883). Ilah.—Southern States? Cuba. 5. E. MEXicANA Clans. Beitrage zur Kennt. d. Entomos- traken, t. iii, iv, figs. 33-54 {\^m).—Pach(rd. 12th Rep. U. S. Geol. Survey (Hayden), ii, 306 (1883). E. clarkii Packard. 6tli Rep. Peabody Acad. Science, 55, (1874); 7th Rep. U. S. Geol. Survey (Hayden), 619 (1874). //«ft.— Lake Winnepeg, Kentucky, Ohio, Kansas, New Mexico, Mexico. 6. E. MORHEi Packard. Anier. Jour. Science, 3d ser., ii, 113 (1871); 6th Rep. Peabody Acad. Science, 56 (1874); 7th l{ep. U.S. Geol. Survey (Hayden), 619 (1874); 12th l{ep. U. S. Geol. Survey (Hayden), ii, 308 (1883). JIah.—Iowa, Dakota. III. Eulimnadia Packard. 1. E. AGASSizii Packard. 6th Rep. Peabody Acad. Sci- ence, 54 (1874); 7tb Rep. U. S. Geol. Survey (Hayden), 618 (1874); 12th Rep. U. S. Geol. Survey (Hayden), ii,311 (1883). //((//.—I'enikese Island (Massachusetts). 352 Illinois State L((boratory of Ndfiirat Uistonj. 2. E. TEXANA Packard. 12th Rep. U. S. Geol. Survey (Hayden), ii, 312 (1883). Ijimu'ulia fexand Packard. Ainer. Jour. Science, 3d ser., ii, 111 (1871); 7th Rep. U. S. Geol. Survey (Hayden), 618 (1874). Ilah.—Kansas, Texas. IV. LiMNADELLA GiRARD. 1. L. CORIACEA Hakleraan. Proc. Phila. Acad. 1842, 184; Ibid. 1854, U.—Packard. 7th Rep. U. S. Geol. Survey (Hay- den), 018 (1874); 12th Rep. U. S. GeoL Survey (Hayden), ii, 313 (1883). Unrecognizable from description. Huh.—Pennsylvania (Haldeman). 2. L. KiTEi Girard. Proc. Phila. Acad. 1854, 3. — Pack- ard. 12th Rep. U. S. Geol. Survey, ii, 311 (1883). Unrecognizable from description. Ilab.—Ohio (Girard). V. LiMNADIA Brong. 1. L. AMERICANA Morse. Proc. Boston Soc. N. H., xi, 404 (ISm).—Packard. 7th Rep. U. S. Geol. Survey (Hayden), 618(1874); 12th Rep. U.S. Geol. Survey (Hayden), ii, 311 (1883). JIab.—Massachusetts. FAMILY APODIDiE. I. APUS SciIAFE. 1. A. ^nQUALis Packard. Anier. Jour. Science, 3d ser., ii, 110 (1871); 7th Rep. U. S. Geol. Survey (Hayden), 620 (1874); 12th Rep. U. S. Geol. Survey (Hayden), ii, 320 (1883). Ilab.—Kansas, Texas, Colorado? 2. A. LONGiCAUDATUS Le €onte. Annals N. Y. Lyceum, iv, 155 {18ib).—Packard. 12th Rep, U. S. Geol. Survey (Hay- den), ii, 324 (1883). A. ohfusus James. Long's Expedition, ii, 336 (1823). — Packard. 7th Rep. U. S. Geol. Survey (Hayden), 620 (1874). Ilab.- Colorado, Wyoming, Kansas. Described Sjjecics of Fresh Wafer Crustacea. 353 3. A. LUCASANUs Packard. Amer. Jour. Science, 3d ser., ii, 109 (1871); 7th Rep. U. S. Geol. Survey (Hayden), 620 (1874): Bull. U.S. Geol. Survey (Hayden), iii, 179 (1877); 12tli Kep. U. S. Geol. Survey (Hayden), ii, 321 (1883). JIaO.—Kansas, Lower California. 4. A. XEWBEKKYi Packard. Amer. Jour. Science, 3d ser., ii, 109 (1871); 7th Rep. U. S. Geol. Survey (Hayden), 020 (1874); 12th Rep. U. S. Geol. Survey (Hayden), ii, 321 (1883). Ilab.—Viah. II. Lepidurus Leach. 1. L. BiLOBATUS Packard. Bull. U.S. Geol. Survey (Hay- den), iii, 178 (1877;; 12th Rep. U. S. Geol. Survey (Hayden), ii, 318 (1883). Ilab.—Colorado. 2. L. couESii Packard. Amer. Nat. ix, 311 (1875); Bull. U. S. Geol. Survey (Hayden), iii, 177 (1877); 12th Hep. U. S. GeoL Survey (Hayden), ii, 317 (1883). llah.—Utah, Montana. 3. L. GLACiALis Kroyer, Naturhistorisk Tidsskrift, 2d ser., ii, 431 {\Ul).—Pacl-ar(l. 7th Rep. U. S. Geol. Survey (Hayden), 019 (1874); 12th Kep. U. S. Geol. Survey (Hayden), ii, 3i6 (1883). Hah.—Arctic America, Greenland. FAMILY BRANCHIPODIDiE. I. Artemia Leach. 1. A. uRACiLis Verrill. Amer. Jour. Science, 2d ser., xlviii, 248, 249, 430 (1809); Proc. A. A. A. S. for 1809, 235- 2'68.- Packard. 7th Rep. U. S. Geol. Survey (Hayden), 620, 621 (1874); 12th Rep. U. SAGeol. Survey (Hayden), ii, 330 (1883). A. nionica Verrill. Amer. Jour. Science, 2d ser., xlviii, 248 (1869). A. fertilis Verrill. Amer. Jour. Science, 2d series., xlviii, 248 (1869). 354 Illinois State Laboratory of Natural Historij. A. utahensis Lockiugton. Monthly Micros. Jour. 1876, 137, >/c Packard. //a6.—Connecticut, Utah. II. Branchinecta Verrill. 1. B. coLORADENSis Packard. 7th Rep. U. S. Geol. Sur- vey (Hayden), 621 (1874); 12tli Rep. U. S. Geol. Survey (Hay- den), ii, 338 (1883). Hah.—Colorado. 2. B. LiNDAHLi Packard. 12th Rep. U. S. Geol. Survey (Hayden), ii, 339 (1883). Ilah.—Kansas. 3. B. PALUDOSA Packard. 12th Rep. U. S. Geol. Survey (Hayden), ii, 336 (1883). B. (fr(enlan(lica Verrill. Anier. Jour. Science, 2d ser., xlviii, 253 (1860); Proc. A. A. A. S. for 1869, 2U.—Packard. 7th Rep. Geol. Survey (Hayden), 621 (1874). B. arctka Verrill. Amer. Jour. Science, 2d ser., xlviii, 253 (1869); Proc. A. A. A. S. for 1869, 2ii.—Packard. 6th Rep. U. S. Geol. Survey (Hayden), 621 (1874). BrancJu'pus pal iidosiis Miiller. JIab.—Labrador, Arctic America, Greenland. III. BRANCHIPUS ScHAfF. 1. B. BUNDYi Forbes. Kuhranchipus hundiji Forbes. Bull. 111. St. Lab. N. H., i, 25 (1876). Hah.—Wisconsin {Forbes). ^ 2. B. SERRATUS Forbes. EuhrancJiipus serratns Forbes. Bull. 111. St. Lab. N. H., i, 13 (1876).—P(^cAY/r(7. 12th Rep. U. S. Geol. Survey (Hay- den), ii, 343 (1883). ZTafe.—Illinois (Forbes). Described Sjierics of Fresh Water Crustacea. 355 3. B. VERXALis Yerrill. Anier. Jour. Science, 2cl ser., xlviii. 25 (1869); Proc. A. A. A. S. for 1869, Ci22.—Packard. 7th Hep. U. S. Geol. Survey (Hayden), 622 (1874); 12th Rep. U. S. Geol. Survey (Hayden), ii, 342 (ISS^).— Gissler. Anier. Nat. XV, 136 (ISSl).—Ha >/. Amer. Nat. xvi, 242 (1882). ITab.—Massadiusetts, Rhode Island, Connecticut, New York, Penn- sylvania, Ohio, Indiana. IV. Chirocephalus Preyost, 1. C. HoLMAXi Ryder. Proc. Phihi. Acad. 1879, U8.—Park- ard. 12th Rep. U. S. Geol. Survey (Hayden ), ii. 351 (1883).— Ilrrrirk. Bull. Scientific Lab. Denison Univ. i, 19 (1885). //«/>.—New York, Pennsylvania, Minnesota. V. Strbptocephalus Baird. 1. S. Floridanus Packard. Amer. Nat. xiv, 53 (1880); 12th Rep. U. S. Geol. Survey (Hayden), ii, 350 (1883). ITab.—Florida. 2. S. Sealii Ryder. Proc. Phila. Acad. 1879, 200.— Packard. 12th Rep. U. S. Geol. Survey (Hayden), ii, 348 (1883). Uab.—New York, New Jersey. 3. S. Texaxus Packard. Amer. Jour. Science, 3rd ser., ii, 111 (1871); 7th Rep. U.S. Geol. Survey (Hayden), 622 (1874); 12th Rep. U.S. Geol. Survey (Hayden), ii, 345 (1883). S. Watsoni Packard. Bull. U. S. Geol. Survey (Hayden), iii, 176 (1877). Hah.—Kansas, Texas. VI. ThamnOCEPHALUS Packard. 1. T. platyurus Packard. Bull. U.S. Geol. Survey (Hay- den), iii, 175 (1877); 12th Rep. U. S. Geol. Survey (Hayden), ii, 353 (1883). IFab.—Kansas. 356 Illinois State Laboratory of Natural History. OEDEE AMPHIPODA. FAMILY GAMMARID^. I. Crangonyx Bate. 1. C. ANTENNATUM Packard. Amer. Nat. xv, 880 (1881). Ilah.—Tennessee (Packard). 2. C. BiFUECUS Hay. Amer. Nat. xvi, 144 (1882). Ilah.—Mississippi (Hay). 3. C. GEAciLis Smith. Amer. Jour. Science, 3rd ser., ii, 453 (1871); Rep. U.S. Fish Com. for 1872-73, 654,694.— Forbes. Bull. 111. State Lab. N. H. No. 1, 6 {18'1Q).—Hatj. Amer. Nat. xvi, 241 (1882). Ilah.—Indiana (Hay), Illinois (Forhes), Lake Superior ai-d Lake Huron (Smith). 4. C. LuciFUGUS Hay. Amer. Nat. xvi, 144 (1882). Hob.—Illinois (Hay). 5. C. MUCKONATUS Forbcs. Bull. 111. State Lab. N. H., No. 1, 6 {181Q).—Hay. Amer. Nat. xvi, 241 (1882). Ilab.—Indiana (Hay), Illinois (Forbes). 6. C. Packardii Smith. Amer. Jour. Science, 3rd ser., ix, 476-7 (1875). C. vitreus Packard. 5th Rep. Peabody Acad. Science, 95 (1873). Hab.—Indiana (Packard). 7. C. TENUIS Smith. Rep. U. S. Fish Com. for 1872-73, 656. Hab.—Connecticut (Smith). 8. C. viTEEUS Smith. Rep. U. S. Fish Com. for 1872-73, 656; Amer. Jour. Science, 3rd ser., ix, 476-7 (1875). Stygobromus vitreus Cope. Amer. Nat. vi, 422 (1872); 3rd and 4th Rep. Geol. Indiana, 181 (1872). Hab.—Mammoth Cave, Kentucky (Cope). II. Gammarus Fabr., 1. G. APPENDicuLATUS Say. Jour. Phila. Acad, i, 379 (1817).—DeiTa?/. Nat. Hist. K Y., vi, 37 (1844). Hab.—Georgia (Say). Described Species of Fresh Water Crustacea. 357 2. G. FASciATUS Say. Jour. Phila. Acad, i, 379 (1817).— DeKatj. Nat. Hist. N. Y. vi, 37 (1844).—5w/^//. Rep. U. S. Fish Cora, for 1872-73, Q^Z.^Forhes. Bull. 111. State Lab. N. H., No. 1, 6 (1876). Ilab.— Maine {Verrill), Connecticut {Smith), Pennsylvania {Say), Illinois (Forbes), Michigan (Miher), Wisconsin [VerriiJ). 3. G. LiMNmis Smith. Rep. U. S. Fish Com. for 1872-73, 651, 694; 7th Rep. U. S. Geol. Survey (Hayden), 609 (1874). G. lacustris Smith. Amer. Jour. Science, 3rd ser., ii, 453 (1871). Hab.—Michigan, Lake Superior and Colorado (Smith). 4. G. MINUS Say. Jour. Phila. Acad, i, 374 (1817).—/)?- Kai/. Nat. Hist. N. Y. vi, 37 {lSU).—aoul(I. Invertelmita of Massachusetts, 334 (IS^l).—Smith. Rep. U.S. Fish Com. for 1872-73, 654. fToft.—New York(?). 5. G. KOBUSTUS Smith. 7th Rep. U.S. Geol. Survey (Hay- den), 610 (1874). Jlah.—Colorado {Smith). FAMILY LYSIANASSID^. I. PONTOPORBIA KroYEK. 1. P. FiLicoRNis Smith. Rep. U. S. Fish Com. for 1872 -83, Q^9.— Forbes. Bull. HI. State Lab. N. H., No. 1, 20 (1876). Gammarus filicornis Stimpson MSS. Hab.—Lake Michigan (Stimpson). 2. P. HoYi Smith. Rep. U. S. Fish Com. for 1872-73, 647, QU.— Forbes. Bull. 111. State Lab. N. H., No. 1, 20 (1876). P. affinis Smith. Amer. Jour. Science, 3rd ser., ii, 452 (1871). Gammarus Hoiji Stimpson MSS. Gammarus brecistylus Stimpson MSS. ITab.—Lake Michigan (Stimpson), Lake Superior (Smith). 358 Illinois State Laboratory of Natural History. FAMILY ORCHESTID^. I. AliLOROHESTES HelleR. 1. A. DENTATUS Faxon. Bull. Mus. Comp. Zool., iii, 373, (1876). Hyalella dentata Smith. Rep. U. S. Fish Com. for 1872- 73, 645, 694; 7th Rep. U.S. Geol. Survey (Hajden), 611 (1874). —Forbes. Bull. Bl. State Lab. N. H.. No. 1, 5 (1876). ?Amphitoe Aztecus Saussure. Mem. sur divers Crust, nouv. du Mexique et des Antilles, 58 (1858). ?Allorchestes Knickerbockeri Bate. Cat. Amphip. Crust. Brit. Mus., 36 (1862). Ilab.—Maine, Massachusetts, Connecticut, Florida, Illinois, Wiscon- sin, Iowa, Michigan, Nebraska, Colorado, Oregon, Lake Superior. Var. iNERMis Faxon. Bull. Mus. Comp. Zool., iii, 373 (1876). Hyalella inermis Smith. 7th Rep. U. S. Geol. Survey (Hayden), 610 (1874). Hab.—Colorado {Smith). ORDEE ISOPODA. FAMILY ASELLID^. I. ASELLUS Geoff. 1. A. brevicauda Forbes. Bull. 111. State Lab. N. H., No. 1,8 (1876). Hob.—Illinois {Forbes). 2. A, COMMUNIS Say. Jour. Phila. Acad., i, 428 (1817). —DeKay. Nat. Hist. N. Y., vi, 49 (1844).—Sw27/?. Rep. U. S. Fish Com. for 1872-73, mi.—Hay. Amer. Nat. xvi, 241 (1882). ?A. vulgaris Gould. Invertebrata of Massachusetts, 337 (1841). A. militaris Hay. Bull. 111. State Lab. N. H., No. 2, 90 (1878). Hob.—Connecticut, Massachusetts, New York, Pennsylvania, Indi- ana, Illinois, Michigan, Mississippi. Described Species of Fresh Water Crustacea. 359 3. A. ixTERMEDius Foi'bes. Bull. 111. State Lab. N. H., No. 1, 10 (1876). Hab.—Illinois {Forbes). 4. A. LiXEATUS Say. Jour. Pliila. Acad., i, 428 (1817).— DeKa;/. Nat. Hist. N. Y., vi, 50 (1844). Uab.—South Carolina (Say). 5. A. STYGius Forbes. Bull. Bl. State Lab. N. H., No. 1, 11 (1876). Ca'cidotea sti/gia Packard. Amer. Nat., v, 751 ( 1871 ) ; 5th Rep. Peabody Acad. Scieuce, 95 (ISTS).—Smith. Rep. U. S. Fish Com. for 1872-73, 661. — Hubbard. Amer. Entomologist, n. ser., i, 36, 79 (1880). C. microcephahi Cope. Amer. Nat., vi,' 411 (1872); 3rd and 4th Rep. Geol. Indiana, 163 {1812).—Siiiifh. Amer. Nat., vii. 244 (1873). Hab.—Indiana {Cope), Illinois {Forbes), Kentucky {Packard). II. O^OIDOTEA Packard. 1. C. NiCKAjACKENSis Packard. Amer. Nat., xv, 879 (1881). Uab.—Tennessee {Packard). III. MANOASELLUS HarCtER. 1. M. BRACHTURUS Hargcr. Amer. Jour. Scieuce, 3rd ser., xi, 304, 305 (1876). Ilab.—Virginia {Hnrger). 2. M. TENAX Harger. Amer. Jour. Science, 3rd ser., xi, 304 (1876).—i/ffi/. Amer. Nat., xvi, 242 (1882). Asellus tenax Smith. Amer. Jour. Science, 3rd ser., ii, 453 (1871). Asellopsis tenax Harger. Amer. Jour. Science, 3rd ser., vii, 601 ilSU).—Smith. Rep. U. S. Fish Com. for 1872-73, 659, 695. Hab.—Indiana {Hay), Michigan and Lake Huron {Milner), Lake Su- perior (Smith). 360 niinois State Laboratory of Natural History. FAMILY ONISCID^ * I. AOTONisous Harger. 1. A. BLLiPTicus Harger. Amer. Jour.^ ile.i ce, 3rd ser., XV, 373 (1878); Proc. U. S. Nat. Museum, ii, 157 (1879); Rep. U. S. Fish Com. for 1878, 309. Hab.—Connecticut (Harger). II. Allonisous Dana. 1. A. PERCONVEXtJS Dana. Proc. Phila. Acad., vii, 176 (1854). Hab.—California (Dana). III. Armadillo Latr. 1. A. sPECiosus Stuxberg. Ofversigt a£ Veteusk.-Akad. Forhandl., 1875, No. 2, 62. Hab.—California (^Stuxberg). IV. Armadillidium Brandt. 1. A. piLULARE Stuxberg. Ofversigt af Vetensk.-Akad. Forhandl., 1875, No. 2, 63. Armadillo j^Hularis Say. Jour. Phila. Acad., i, 432 (1817). —Gould. Invertebrata of Massachusetts, 336 (1841). — DeKay. Nat. Hist. N. Y., vi, 54 (1844). tfaf/. —Massachusetts [Oould), New York (DeKay), Pennsylvania (San). V. LiGIA Fabr. 1. L. dilatata Stimpson. Proc. Boston Soc. N. H., vi, 88 (1857); Boston Jour. Nat. Hist., vi, 507 (1857). Hah.—Washington Territory (Stimpson). 2 L. occiDENTALis Dana. Crustacea, ii, 742 (1853). Hab.—California (Dana). * A few forms of Oniscidx are found only at or iieur the sea coast, and should properly take ratik among the marine species. The entire family, however, af- known from America is indexed here. Described Species of Fresh Water Crustacea. 361 3. L. Pallasii Brandt. Conspectus OuiscoJoruni, 172 (1833). Hah.—Unalaska (Brandt). VT. LlGlDiUM Brandt. 1. L. HYPXORUM Bndde-Limd. Naturhistorisk Tidsskrift, 3rd ser., vii, 225 (1810).—Stuxberg. (3£versigt af Vetensk.- Akad. Forhandl., 1875, No. 2, 48. Outsells hijp)wrum Ciivier (1792). Hab.—Niagara in Canada, and California (Eisen). YIT. Oniscus L. 1. 0. AFFims Say. Jour. Phila. Acad., i, 430 (1817). Hab.—Pennsylvania (Say). 2. 0. YiCARius Stuxberw. Ofversigt af Veteusk.-Akad. Forhandl., 1872, No. 9, 3; Ibid. 1875, No. 2, 50. Hah.—Newfoundland (Lindahl), Canada near Niagara (Eisen). VIII. Philoscia Latr, 1. P. SPINOSA Say. Jour. Phila. Acad., i, 429 (1817).— DeKaij. Nat. Hist. N. Y., vi, 50 (1884). Hab.—Georgia (Say). 2. P. YiTTATA Say. Jour. Phila. Acad., i, 429 (1817).— DeKay. Nat. Hist. N. Y., vi, 50 {18i4.).—Harger. Rep. U.S. Fish Cora, for 1871, 569; Proc. U. S. Nat. Museum, ii, 157 (1879); Rep. U. S. Fish Com. for 1878. 306. Hob.—New Jersey, Connecticut and Massachusetts (Harger). IX. EUPHILOSOIA Packard. 1. E. Elrodii Packard. 5th Rep. Peabody Acad. Science, 97 (1873). — SiuitJi. Amer. Jour. Science, 3rd ser., ix, 477 (1875). Hab.—Indiana (Packard). 362 lUinois State Lahoratory of Natural History. X. POROELLIO Latr. 1. P. coNVEXUS Johnsson. Sveriges Oniscider, 32 (1808). — Stuxherg. Ofversigt af Vetensk.-Akad. Forhandl., 1875, No. 2, 60. ' Oniscus convexus DeGeer (1778). Hah.—Massachusetts, and Canada near Niagara (Eisen). 2. P. DUBius Brandt. Conspectus Oniscodorum, 178 (1833). Hab.—? [This species is cited by Stuxberg loc. cit. 58.] 3. P. FORMOSUS Stuxberg. Ofversigt af Vetensk.-Akad. Forhandl., 1875, No. 2, 57. Hab.—California (Eisen). 4. P. GEMMULATUS Dana. Crustacea, 725, t. 47, fig. 7 (1853). Hab.—Washington Territory {Dana). 5. P. GLABER Fitch. Trans. N, Y. State Agric. Soc. 1854, 824; First and Second Rep. on Insects, 120 (1856). Hab.—New York {Fitch). 6. P. IMMACULATUS Fitch. Trans. N. Y. State Agric. Soc. 1854, 824; First and Second Rep. on Insects, 120 (1856). Hab.—Illinois and Arkansas (Fitch). 7. P. LiMATUS Fitch. Trans. N. Y. State Agric. Soc. 1854, 824; First and Second Rep. on Insects, 120 (1856). Hab.—New York (Fitch). 8. P. MACULicoRNis Koch. Deutschlands Crustaceen, 84, 16 (ISiO).—Stuxherg. Ofversigt af Vetensk.-Akad. Forhandl. 1875, No. 2, 55. Hab.—California (Eisen). 9. P. MixTus Fitch. Trans. N. Y. State Agric. Soc. 1854, 824; First and Second Report on Insects, 120 (1856). Hab.—New York (Fitch). 10. P. NIGER Say. Jour. Phila. Acad, i, 432 (1811).—De- Kay. Nat. Hist. N. Y., vi, 52 (1844). Hab.—Pennsylvania [Say) . Described Species of Fresh Wafer Crustacea. 303 11. P. PICTUS Brandt. Conspectus Oniscodoruni, 170 {\mZ).—Stuxherfj. Ofversigt a£ Vetensk.-Akad. Forhandl., 1875, No. 2, 59. Hab.—Canada near Niagara (Eisoi). 12. P. scABER Latreille. Hist. Nat. Crust, et Insectes, vii, 45, in part {mU).—FitcJt. Trans. N. Y. State Agric. Soc. 1854, 825; P'irst and Second Report on Insects, 121 (1850).— Stnxherq. Ofversigt af Vetensk.-Akad. Forhandl. 1875, No. 2, 58. Oniscus aseUus Linnaeus. Syst. Nat., Ed. 10, i, 037 ( 1758). —Gould. In vertebrata of Massachusetts, 320 ( 1841 ). — DeKaij. Nat. Hist. N. Y.,vi, 51 (1844). Hnb.—Illinois (Fitch), Canada near Niagara, and California (Ei>.—New York (Filch). XI. Rhinoryotes Stuxberg. 1. R. MiRABiLis Stuxberg. Ofversigt af Vetensk.-Akad. Forhandl. 1875, No. 2, 51. Hab.—California (Eisen). XII. SCYPHACELLA SmITH. 1. S. ARENicoLA Smith. Rep. U. S. Fish Com. for 1871, mH.—Harger. Proc. U. S. Nat. Museum, ii, 157 (1879); Rep. U. S. Fish Com. for 1878, 307. Hab-—Massachusetts and New Jersey (Harger). 364 Illinois State Laboratorij of Natural History. XIII. Sph^rillo Dana. 1. S. AFFiNis Dana. Proc. Pliila. Acad, vii, 176 (1854). Hab.—California [Dana). XIV. Stylonisous Dana. 1. S. GKACiLis Dana. Proc. Phila. Acad, vii, 176 (1854). Hab.—California (Dana). XV. Triohoniscus Brandt. 1. T. PUSiLLUS Brandt. Conspectus Oniscodorum, 174 (1833). — Stuxberg. Ofversigt af Vetensk.-Akad. Forhandl. 1875, No. 2, 49. Hab.—Canada near Niagara {Eisen). OEDER DECAPODA. FAMILY MYSID^. I. Mysis Latr. 1. M. RELiCTA Loven. Ofversigt af Vetensk.-Akad. For- handl. xviii, 285 (1861). — Smith. Amer. Joar. Science, 3rd ser., ii, 452 (1872); Rep. U. S. Fish Com. for 1872-73, 642, 694. —Forbes. Bull. 111. State Lab. N. H., No. 1, 20 (1876). M. diluvianiis Stimpson MSS. Hah.—Lake Michigan (Stimpson), Lake Superior (Smith). FAMILY ASTAOIDiE. I. ASTAOUS Fabr. 1 . A. Gambellii Agassiz. Proc. Phila. Acad, vi, 375 ( 1853 ) . —Stimpson. Jour. Boston Soc. N. H., vi, 492 (1857); Proc. Boston Soc. N, H., vi, 87 (1857). — Hagen. Monog. Astacidse, 90, pi. i, figs. 97, 98, pi. iii, fig. 170,' pi. xi {1810).—Faxon. Proc. Amer. Acad, xx, 152 (1884); Revision of Astacidas, 136 (1885). Hab.—Utah, Idaho, Montana, Wyoming? California? Described Species of Fresh IVafcr Crnsfacca. 305 2. A. Klamathensis Stimpson. Proc. Boston Soc. N. 11., vi, 87 (1857); Jour. Boston Soc. N. H., vi, 494 (1857).—/%<'». Monog. Astacidas, 93, pi. iii, 169 (1870). — Faxon. Proc. Amer. Acad. XX, 151 (1884); Revision of Astacidw, 131, pi. vi, figs. 1, 2 (1885). /?ab.—Oregon, Washington Territory, British Columbia. 3. A. LEXiuscuLUS Dana. Proc. Pliila. Acad, vi, 20 (1852); Crustacea, i, 524, pi. xxxiii, fig. 1 (1852). — Stimpson. Jour. Boston Soc. N. H.. vi, 493 (1857): Proc. Boston Soc. N. H. 87 (1857).—/frt//f».Monog. Astacidae, 94 (1870).— F«.ro>i. Proc. Amer. Acad, xx, 151 (1884); Revision of Astacid«, 132, pi. vi, fig. 4 (1885). ?A. Oregon i(s Randall. Jour. Phila. Acad, viii, 138, jj], vii {1SS9).—Stimpson. Proc. Boston Soc. N. H., vi, 87 (1852). —Hagen. Monog. Astacidse, 95 (1870). — Faxon. Revision of Astacidte, 133 (1885). Hab.—Washington Territory 4. A. NiGKESCEN's Stimpson. Proc. Boston Soc. N. H., vi, 87 (1852); Jour. Boston Soc. N. H., vi, 492 (1852).—Fr/y/rw. Monog. Astacida?, 92. pi. iii. fig. 168 {IS^IO).—Faxon. Proc. Amer. Acad. xx. 152 (1884); Revision of Astacida, 135 (1885). Hab.—California, Washington Territory. 5. A. Trowbridgii Stimpson. Proc. Boston Soc. N. H., vi, 87 (1857); Jour. Boston Soc. N. H., vi,492 {ld,Ql).—Hagen. Monog. Astacidic, 93. pi. iii, fig. 171, pi. x, (1870). — Faxon. Proc. Amer. Acad, xx, 152 (1884); Revision of Astacida?, 134, (1885). Hab.—Oregon, Washington Territory. II. Cambarus Erich. 1. C. ACUMINATUS Faxon. Proc. Amer. Acad, xx, 113 (1884): Revision of Astacida?, 67. jil. iii, fig. 5. pi. viii, fig. 6a, 6a' (1885). Hah.—Xorth Carolina, South Carolina. 366 Illinois State Laboratori/ of Natural History. 2. C. ADVENA Hagen. Moiiog. Astacidss, pi. iii, fig. 164, pi. viii {1^10).—Faxon. Proc. Amer. Acad, xx, 140 (1884); Revision of Astacidaj, 54 (1885). C. Carolinus Hagen. Monog. Astacidae, 87, pi. i, figs. 51- 54, pi. iii, fig. 165 (1870). Astacus advena Le Conte. Proc. Pliila. Acad, vii, 402 (1885). Hab.—South Carolina. Georgia, Alabama. 3. C. AFFiNis Girard. Proc. Pliila. Acad, vi, 81 (1852). —Hof/en. Monog. Astacida3, 60, pi. i, figs. 19-22, 84, 85, pl. iii, fig. 152, pi. V (1870). — Faxon. Proc. Amer. Acad, xx, 146 (1884); Revision of Astacidae, 86 (1885). C. Pealei Girard, 1. c. 87 (1852). Astacus affinis Say. Jour. Phila. Academy, i, 168 (1817). —Harlan. Med. and Phys. Res., 230, fig. 2 (1835).—/JeiTfty. Nat. Hist. N.Y.,vi, 22(1844). Hah.—New York, New Jersey, Pennsylvania, Maryland, District of Columbia, Virginia, Lake Erie, Lake Superior. 4. C. Alabamensis Faxon. Proc. Amer. Acad, xx, 125, 146 (1884); Revision of Astacidae, 104, pi. iv, fig. 4, pi. x, figs. 3, 3', 3a, 3a' (1885). Hah.—Alabama. 5. C. Alleni Faxon. Proc. Amer. Acad, xx, 110, 138 (1884); Revision of Astacidae, 35, pi. i, fig. 1, pi. viii, figs. 2, 2' (1885). Hah.—Florida. 6. C. AifGiTSTATUS Hagen. Monog. Astacidas, 50, pi, i, figs. 65-67, pi. iii, fig. 146 (1870).—i^a^row. Proc. Amer. Acad. XX, 137 (1884); Revision of Astacidse, 30 (1885). Astacus angustatus he Gonie. Proc. Phila. Acad, vii, 401 (1885). Hah.- -Georgia. 7. C. ARGiLLicoLA Faxon. Proc. Amer. Acad, xx, 115, 144 (1884); Revision of Astacidae, 76, pi. iv, fig. 2 (1885). Hah.—Ontario, Michigan, Indiana, Louisiana ? North Carolina ? Described Species of Fresh Water Crustacea. 367 8. C. Baktonii Girard. Proc. Phila. Acad, vi, 88 (1852). Hagen. Monog. Astacida?, 75, pi. i, figs. 47-50, pi. ii, figs. IBS- ISO, pi. iii, fig. 166 ilSlO).—Faxon. Proc. Amer. Acad, xx, 142 (1884); Revision of Astacida?, 59 (1885). C. montanus Girard, 1. c. 88 (1852). ?C. loiujuJus Girard, 1. c. 90 (1852). ?C.pHS>llus Girard. 1. c. 90 (1852). Astacus Bartonii Say. Jour. Phila. Acad, i, 167 (1817). — Harlan. Med. and Phys. Res. 230, fig. 3 (1835).— CtV;/^/(/. Tn- vertebrata of Massachusetts, 330 (1841). — ThoDipsoti. History of Vermont, Part I, 170 (184:2).—DeKa i/. Nat. Hist. N. Y., vi, 22, pi. viii, fig. 25 (1844). Hub.— New Brunswick, Province of Quebec ? Maine, Vermont, Massachusetts, New York, New Jersey, Maryland, Virginia, West Vir- ginia, North Carolina, Ohio, Indiana, Kentucky, Tennessee, Lake Su- perior. Var. ROBUSTA Faxon. Revision of Astacidae, 61 (1885). C. robnsfiis Girard. Proc. Phila. Acad, vi, 90 (1852).— Hagen. Monog. Astacida?, 80, pi. iii, fig. 167 {1810).—Faxon. Proc. Amer. Acad, xx, 143 (1884). fiafe.—Province of Ontario, New York, Maryland, Virginia, Illinois. 9. C. Blandingii Hagen. Monog. Astacidie, 43, pi. i, figs. 63-64, pi. iii, fig. 140 (1870).—Fajm. Proc. Amer. Acad, xx, 136 (1884); Revision of Astacidae, 19, pi. vii, fig. 2, 2', 2a, 2a', (1885). C. acntus, var. B. Hagen, 1. c. pi. 36, iii, fig. 144 (1870.). Astacus Blandingii Harlan. Trans. Amer. Philos. Soc. iii, 464 (1830); Med. and Phys. Res. 229, fig. 1 (1835).— ?Lc Conte. Proc. Phila. Acad, vii, 400 (1855). Hab. — New Jersey, Maryland, Virginia, North Carolina, South Carolina, Georgia. Var. ACUTA Faxon. Proc. Amer. Acad, xx, 136 (1884); Revision of Astacidae, 20 (1885). C. acutus Girard, Proc. Phila. Acad, vi, 91 (1852). — Hagen. Monog. Astacidae, 35, pi. i, figs. 1-5, pi. ii, figs. 106, 108, 110-114, 116, 118, 120-124, 126, 127, pi. iii, fig. 143 (1870). -Forbes. Bull. HI. State Lab. N. H., No. 1, 3, 18 (1876). C. acutus, var. A. Hagen, 1. c. 36, pi. ii, fig. 107, 109, 115, 117, 119, 125 (1870). 368 Illinois State Laboratory of Natural History. C. acutissimus Girard. Proc. Phila. Acad, vi, 91 (1852). Hab.—Louisiana, Mississippi, Alabama, South Carolina, Tennessee, Missouri, Illinois, Indiana, Iowa, Wisconsin. 10. C. Carolinus Hagen (type).— Faxon. Proc. Amer. Acad. XX, 140 (1844); Revision of Astacidae, 54 (1885). C. advena Hagen. Monog. Astacidge, 86, pi. i, figs. 90-92 (^1870). Hah.—South Carolina. 11. C. Clarkii Girard, Proc. Phila. Acad, vi, 91 (1852). —Hagen. Monog. Astacidae, 39, pi. i, figs. 7-10, 99, 100, pi. ii, figs. 133, 134, pi. iii, fig. 142, pi. iv (1870).—i^a.row. Proc. Amer. Acad, xx, 136 (1884); Revision of Astacidse, 26 (1885). Hah.—Texas, Louisiana, Mississippi, Alabama, Florida. 12. C. coMPRESSUS Faxon. Proc. Amer. Acad, xx, 127, 146 (1884); Revision of Astacidae. 105, pi. v, fig. 6, pi. x, figs. 2, 2', 2a, 2a' (1885). Hah.—Alabama. 13. C. CORNUTUS Faxon. Proc. Amer. Acad, xx, 120, 145 (1884); Revision of Astacidae, 80, pi. v, figs. 1, 2, pi. ix, figs. 3,3' (1885). Hah.—Kentucky. 14. C. DIOGENES Girard. Proc. Phila. Acad, vi, 88 (1852). —Faxon. Proc. Amer. Acad, xx, 144 (1884); Revision of As- tacidae, 71 (1885). C. obesHS Hagen. Monog. Astacidae, 81, pi. i, figs. 39-42, pi. iii, fig. 163, pi. ix (1870). Hah.—'^ew Jersey, Maryland, District of Columbia, Virginia, North Carolina, Ohio, Indiana, Illinois, Michigan, Wisconsin, Iowa, Missouri, Kansas, Colorado, Wyoming, Arkansas, Kentucky ? Mississippi, Louis- iana. 15. C, DUBius Faxon. Proc. Amer. Acad, xx, 114, 145 (1885); Revision of Astacidae, 70, pi. iv, fig. 3, pi. viii, figs. 7, 7' (1885). Hab.—Virginia, West Virginia, Tennessee. 16. C. EXTRANEUS Hagen. Monog. Astacidae, 73, pi. i, figs. 88, 89, pi. iii, fig. 156 (1870).—i^a;row. Proc. Amer. Acad, xx, 145 (1884); Revision of Astacida, 84 (1885). Hah.—Georgia. Described Species of Fresh Water Crustacea. 300 17. C. FALLAX Hagen. Monog. Astacidte, 45, \A. i, figs. 103-105 (1810).—Faxon. Proc. Amer. Acad, xx, 136 (1S84); Revision of Astacida^, 23, pi. ii, fig. 4 (1885). ^«fe.—Florida. 18. C. FORCEPS Faxon. Proc. Amer. Acad, xx, 133, 148 (1884); Revision of Astacid*, 119, pi. v, fig. 4, jd. ix, figs. 5, 5', 5a, 5a' (1885). i?a6.—Alabama, Tennessee ? 19. C. GiRARDiANUS Faxon. Proc. Amer. Acad, xx, 117, 145 (1884); Revision of Astacida3, 78, pi. iv, fig. 1, pi. ix, figs. 2a, 2a' (1885). Hab.—Alabama. 20. C. CxRAciLis Bundy. Bull. 111. State Lab. N. H., No. 1, 5 (1876); Trans. Wis. Acad, v, 182 (1882); Geology of Wis- consin, i, 403 (1883). — i^rawi. Proc. Amer. Acad, xx, 141 (1884); Revision of Astacid^, 56, pi. viii, figs. 4, 4', 4" (1885); Bull, of Washburn Coll. Lab. N. H., i, 140 (1885). Hab.—Wisconsin, Iowa, Illinois, Kansas. 21. C. HAMULATUS Faxon. Proc. Amer. Acad, xx, 145 (1884); Revision of Astacida3, 81, pi. iv, fig. 6, pi. ix,figs. 1, la' (1885). Orconectes hamnlatus Cope and Packard. Amer. Nat. xv, 881, pi. vii, figs. 1, la, lb (1881). ffa6.—Nickajack Cave, Tennessee. 22. C. Harrisonii Faxon. Proc. Amer. Acad, xx, 130, 147 (1884); Revision of Astacidaj, 94, pi. iii, fig. 1, pi. ix, figs. 9, 9' (1885). Hab.—Missouri. 23. C. Hati Faxon. Proc. Amer. Acad, xx, 108, 136 (1885); Revision of Astacidae, 24, pi. i, fig. 4, pi. vii, figs. 3, 3', 3a, 3a' (1885). Hah.—Mississippi. 24. C. iMMUNis Hagen. Monog. Astacidse, 71, pi. i, figs. 101, 102, pi. iii, fig. 160, pi. viii, fig. b {imO).—Smith. Rep. U. S. Fish Com. for 1872-73, m'd.—Forbes. Bull. 111. State Lab. N. H., No. 1, 4, 19 {181^)).—Bundy. Proc. Phila. Acad. 1877, 111.—Faxon. Proc. Amer. Acad, xx, 146 (1884); Re- vision of Astacidae, 99, pi. x, figs. 6a, 6a' (1885). 370 Illinois State Laboratory of Natural History. C. signifer Herrick. 10th Rep. Geol. Minn. 253 (1882). Hah.—New York, Indiana, Illinois, Michigan, Wisconsin, Minne- sota, Iowa, Missouri, Kansas, Wyoming, Alabama, Mexico. Var. spiNiROSTRis Faxon. Proc. Amer. Acad, xx, 146 (1884); Revision of Astacida, 99, pi. 1, fig. 5 (1885); Bull. Washburn Coll. Lab. N. H., i, 140 (1885). Hab.—Tennessee, Kansas. 25. C. JoRDANi Faxon. Proc. Amer. Acad, xx, 119, 145 (1884); Revision of Astacida?, 83, pi. iii, fig. 3 (1885). Hab.—Georgia. 26. C. LANCiFER'Hagen. Monog. Astacidae, 59, pi. i, figs. 86, 87, pi. iii, fig. 159 (1870).—Fa.row. Proc. Amer. Acad, xx, 146 (1884); Revision of Astacidee, 86 (1885). Hab.—Mississippi. 27. C. LATiMANUS Hagen. Monog. Astacidae, 83, pi. i, figs. 43-46, pi. iii, fig. 162 {1810}.—Faxon. Proc. Amer. Acad, xx, 144 (1884); Revision of Astacida?, 69, pi. ii, fig. 3 (1885). Astacus latiniamis Le Conte. Proc. Phila. Acad, vii, 402 (1855). Hab.—South Carolina, Georgia, Alabama, Mississippi, Tennessee. 28. C. Le Contei Hagen. Monog. Astacidae, 47, pi. i, figs. 15-18, pi. iii, fig. 145 (1870).—i^fwow. Proc. Amer. Acad, xx, 137 (1884); Revision of Astacidae, 29, pi. ii, fig. 2 (1885). Hab.—Georgia, Alabama. 29. C. MAKicuLATUS Hagen. Monog. Astacidae, 52 (1870). —Faxon. Proc. Amer. Acad, xx, 137 (1884); Revision of As- tacidae, 29 (1885). Astacus maniculatus Le Conte. Proc. Phila. Acad, vi, 91 (1855). Hab.—Georgia. 30. C. MEDius Faxon. Proc. Amer. Acad, xx, 121, 145 (1884); Revision of Astacidae, 107, pi. iii, fig. 4, pi. ix, fig. 4, 4' (1885). Hab.—Missouri. 31. C. MississipPiENSis Faxon. Proc. Amer. Acad. 123, 146 (1884); Revision of Astacidae, 101, pi. iii, fig. 2, pi. x,figs. 4, 4', 4a, 4a' (1885). Hab.—Mississippi. Described Species of Fresh Water Crustacea. 371 32. C. NAis Faxon. Bull. Washburn Coll. Lab. N. H., i, 140(1885). Hah.—Kansas. 33. C. NEBRASCENSis Girard. Proc. Phila. Acad, vi, 91 {18i)2).—Hagen. Monog. Astacidae, 83 (1870).—Fa./w?. Proc. Araer. Acad, xx, 145 (1884); Revision of Astacidiv, 75 (1885). Hab.—Dakota. 34. C. NEGLECTUS Faxon. Bull. Washburn Coll. Lab. N. H., i, 142 (1885). ffab.—Kansas. 35. C. PALMERi Faxon. Proc. Amer. Acad. 124, 146 (1884); Revision of Astacidse, 103, pi. iii, fig. 6, pi. x, figs. 5a, 5a' (1885). 36. C. PELLUCiDUS Girard. Proc. Phila. Acad, vi, 87 (1852). — Ha{jen. Monog. Astacidae, 55, pi. i, figs. 68-71, pi. iii, fig. 148, pi. vi (1870).—i^aa^ow. Proc. Amer. Acad, xx, 139 (1884); Revision of Astacida?, 40 (1885). Astacus peUiicidus TellkampE. Arch. Anat. Physiol, u. Wissensch. Med. 1844, 383. Astacus (Camha)-n.s) peUucidus Erichson. Archiv filr Naturgesch., Jahrg. xii, Bd. i, 95 (1846). Orconectes pellucidus Cope. Amer. Nat. vi, 410, 419 (1872) ; 3d and 4th Rep. Geol. Indiana, 162, 173 (1872). Orconectes inermis Cope. Amer. Nat. vi, 410, 419 (1872); 3d and 4th Rep. Geol. Indiana, 162, 173 (1872). IlaJ).—Kentucky, Indiana. 37. C. PENICILLATUS Hagen. Monog. Astacidae, 53, pi. i, figs. 93, 94 [95,96?] pi. iii, fig. 149 (1870).—i^aa-ow. Proc. Amer. Acad, xx, 138 (1884); Revision of Astacidae, 36 (1885). Astacus penicillatus Le Conte. Proc. Phila. Acad, vii, 401 (1855). Hah.—Georgia, Mississippi? South Carolina? 38. C. PROPiNQUUS Girard. Proc. Phila. Acad, vi, 88 {l%h2).—Hagen. Monog. Astacidae, 67, pi. i, figs. 34-38, pi. iii, fig. 153 ( 1870 ).—Faxon. Proc. Amer. Acad, xx, 147 (1884) ; Revision of Astacidae, 91 (1885). Hab.—Provinces of Ontario and Quebec, New York, Indiana, Illi- nois, Michigan, Lake Superior, Wisconsin, Iowa. 372 Illinois State Lahoraionj of Natural History. Var. SANBORNi Faxon. Revision of Astacidas, 91, pi. v, fig. 3, pi. ix, figs. 10, 10', 10a, 10a' (1885). C. sanhorni Faxon. Proc. Amer. Acad, xx, 128, 147 (1884). Hah.—Kentucky, Ohio. Var. OBSCURA Faxon. Revision of Astacidae, 92 (1885). C. obscurus Hagen. Monog. Astacidffi, 69, pi. i, figs. 72-75, pi. iii, fig. 154 (1870). — Faxon. Proc. Amer. Acad, xx, 148 (1884). Hab.—New York. 39. C. PUBESCENS Faxon. Proc. Amer. Acad, xx, 109, 137 (1884); Revision of Astacidie, 31, pi. i, fig. 3, pi. viii, fig. la, la' (1885). Hab.—Georgia. 40. C. PUTNAMi Faxon. Proc. Amer. Acad, xx, 131, 148 (1884); Revision of Astacidae, 118, pi. v, fig. 5, pi. ix, figs. 6, 6', 6a, 6a' (1885). Hab.—Kentucky, Tennessee, Indiana? 41. C. RUSTicus Girard. Proc. Phila. Acad, vi, 88 (1852). —Hagen. Monog. Astacidae, 71, pi. i, figs. 80-83, pi. iii, fig. 161 {1810).—Faxon. Proc. Amer. Acad, xx, 148 (1884); Re- vision of Astacidae, 108, pi. ix, figs. 8, 8', 8a, 8a' (1885). C. ijlacidus Hagen. 1. c. 65, pi. i, figs. 76-79, pi. iii, fig. 158 (1870). C. juvenilis Hagen. 1. c. 66, pi. i, figs. 29-33, pi. iii, fig. 157 (1870). C. wisconsineyisis Bundy. Bull. 111. State Lab. N. H., No. 1, 4 (1876); Trans. Wisconsin Acad, v, 181 (1882); Geol. Wisconsin, i, 402 (1883). Hah.—Pennsylvania, Oliio, Indiana, Illinois, Kentucky, Tennessee, Wisconsin, Iowa, Missouri, Texas, Lake Superior. 42. C. SHUFELDTii Faxon. Proc. Amer. Acad, xx, 134, 149 (1884); Revision of Astacidas, 124, pi. vii, fig. 1, pi. x, figs. 8, 8', 8a, 8a' (1885). Hab.—Louisiana. 43. C. siMULANS Faxon. Proc. Amer. Acad, xx, 112, 140 (1884); Revision of Astacidae, 48, pi. i, fig. 12, pi. viii, fig. 3, 3', 3a, 3a' (1885). Huh.—Texas, Kansas. Described Species of FresJi ]V(ifer Cnistacca. 373 44. C. SLOANii Bundy. Bull. 111. State Lab. N. H., No. 1, 24 (1876); Proc. Phila. Acad. 1877, 112.—Faxon. Proc. Amer. Acad, xx, 147 (1884); Revision of Astacidae, 86, pi. iv, fig. 5, pi. X, tigs. 1, 1', la, la' (1885). Ilab.—Indiana, Kentucky. 45. C. SPicuLiFER Hageu. Monog. Astacid*, 48, pi. i. figs. 59-62, pi. iii, fig. 147 {im^).—Faxon. Proc. Amer. Acad! XX, 138 (1884); Revision of Astacida?, 33, pi. ii, fig. 5 (1885). Astacus spiculifer Le Conte. Proc. Phila. Acad, vii, 401 (1855). Hah.- (TGorgia. 46. C. spixosus Bundy. Proc. Phila. Acad. 1877, 173.— Fa.ron. Prod. Amer. Acad, xx, 148 (1884); Revision of Asta- cidiB, 115, pi. ix, figs. 7, 7', 7a, 7a' (1885). Hub.—South Carolina, Georgia, Alabama. * C. STYGius Bundy. Bull. 111. State Lab. N. H., No. 1, 3 (1876); Trans. Wisconsin Acad, v, 180 (1882); Geology of Wisconsin, i, 402 (1883). — Faxon. Proc. Amer. Acad, xx, 140 (1874); Revision of Astacidae, 56 (1885). * C. TYPHLOBius Faxon. Revision of Astacidae, 45 (1885). C. sfi/f/ii(s Joseph. Berliner Entom, Zeitschr. xxvi (1882). 47. C. TROGLODYTES Hagen. Monog. Astacidffi, 41, pi. i, figs. 11-14, pi. ii, fig. 141 {1810).—Faxon. Proc. Amer. Acad. XX, 136 (1884); Revision of Astacida3 27 (1885). Asiacus trofjiodi/tes Le Conte. Proc. Phila. Acad, vii, 400 (1855). A. fossannn Le Conte, 1. c. 401 (1855). Hab.—Georgia, South Carolina. 48. C. UHLERi Faxon. Proc. Amer. Acad, xx, 116, 145 (1884); Revision of Astacida?, 77, pi. viii, figs. 8, 8', 8a, 8a (1885). Hab.—Maryland. 49. C. VERSUTUS Hagen. Monog. Astacidse, 51, pi. i, figs, 55-58, pi. iii, fig. 150 (1870). — Faxon. Proc. Amer. Acad, xx, 138 (1884); Revision of Astacidffi, 34 (1885). Hab.—Florida, Alabama. * These species are doubtful, and hence excluded from the nnm- Ijered list, in accordance with Faxon's revision. 374 Illinois State Laboratoyij of Natural History. 50. C. viRiLis Hagen. Monog. Astacidse. 63, pi. i, figs. 23-28, pi. ii, figs. 128-132, pi. iii, fig. 155, pi. viii (1870).—Jfer- rick. lOth Rep. Geol. Minn. 253 {18^2).— Faxon. Proc. Anier. Acad. 147 (1884); Revision of Astacidse, 96 (1885). C. debilis Bandy. Bull. 111. State Lab. N. H., No. 1, 24 (1876); Trans. Wisconsin Acad, v, 181 (1882); Geology of Wisconsin, i, 403 (1883). C. couesi Streets. Bull. U. S. Geol. Survey (Hayden), iii, 803 (1877). Hab.—Canada, Dakota, Minnesota, Wisconsin, Iowa, Nebraska, Wyoming, Kansas, Missouri, Illinois, Indiana, Tennessee, Texas, New York? FAMILY PALJEMONID^. I. Pal^mON Fabr., Stimpson. 1. p. OHioNis Smith. Rep. U. S. Fish Com. for 1872-73, MO.—Forbes. Bull. 111. State Lab. N. H., No. 1, 5 (1876).— Hay. Amer. Nat. xvi, 143 (1882). Hah.—Indiana, Illinois, Mississippi, Mississippi River. II. Pal.^MONETES Heller. 1. P. PALUDOSA Kingsley. Proc. Phila. Acad. 1878, 97; Bull. Essex Inst, x, 65. P. exilii^es Stimpson. Ann. N. Y. Lyceum N. H., x, 130 (1871).— .Sm^YA. Rep. U. S. Fish Com. for 1872-73, 641.— Forbes. Bull. 111. State Lab. N. H., No. 1, 5 (1876).—Hf??/. Amer. Nat. xvi, 144 (1882). Hipimlyte paludosa Gibbes. Proc. A. A. A. S., iii, 197 (1850). Hab.—Ohio, Illinois, Michigan, Tennessee, South Carolina, Florida, Mississippi. FAMILY PEN^ID^. I. Pen^us Latr. 1. p. BRAziLiENSis Latr. Nouv. Diet, d' Hist. Nat., 154, t. XXY.—Milne-Edwards. Hist. Nat. des Crust, ii, 414 (1837). —Stimpson. Ann. N. Y. Lyceum N. H., x, 132 (1871).— Smith. Rep. U. S. Fish Com. for 1872-73, 642. Hab.—New York, New Jersey. Described Species of Fresh Water Crustacea. 375 II. BIBLIOGKAPHY. The following papers, which include the principal works relating to the Fresh Water Crustacea in general, contain ref- erences to species known to inhabit North America. Tt will be seen to include numerous papers by Americans from Say's time to the present. Baird (William). Natural History of the British Entomos- traca. With 86 plates. London (1850). Monograph of the Family Limniada?, a Family of J]nto- mostracous Crustacea. Proceedings of the Zoological Society of London, xvii, 84-90, (1849). Monograph of the Family Branchiopodidge, with a De- scription of a New Genus, etc. Proceedings of the Zoo- logical Society of London, xx, 18-31 (1852). Monograph of the Family Apodidte, a Family of Crusta- ceans belonging to the Entomostraca. Proceedings of the Zoological Society of London, xx, 1-8 (1852). BlRGB (Edward A.) Notes on Cladocera. Trans. Wisconsin Acad. Science, iv, 77-109. 2 plates (1877). 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Achtheres 335 Actoniscus 360 Acropenis 344 Allorchestes 358 Alloniscus 360 Alona 346 Alonella 347 Alonopsis 345 AMPHIPODA 356 ApoDiD.r. 352 Apus 352 Argulus 333 Akgulid.e 333 Armadillidium 360 Armadillo 360 Artemia 353 ASELLIDJ. 358 Asellus 358 Astacid.t: 364 Astacus 364 Bosmina 342 BosMiNiD.i; 342 Branchinecta 354 Brancuipodid.k 353 Branchipus 354 Csecidotea 359 Calanidte 328 Caligid.e 333 Cambarus 365 Camptocercus 345 Candona 336 Canthocamptus 332 Cauloxenus 335 Ceriodapbnia 339 Chirocephalus 355 Chydorus 348 CLADOCERA 338 COPEPODA 328 Crangonyx 356 Crepidocercus 346 Cyclops 330 Cyclopid^ 330 Cyprididj. 336 Cypris 336 (Jythernia 336 Daphnella 338 Daplinia 341 Daphnid.e 339 DECAPODA 364 Diaptomus..... 328 Epischura 329 Ergasilid/E 333 Estlieria 351 Eulimnadia 351 Euphiloscia 361 Eurycercus 344 Gamjiarid.e 35(5 Gammarus 356 Graptoleberis 346 Harpactid^ 332 Holopedid.t: 339 Holopedium 339 Iliocryptus "44 ISOPODA 358 Lathonura 343 Latona 338 Lerna?ocera 334 Lern .eocerid.e 334 Lernteopoda 335 Lern.eopodid.e 335 Lepeophtbeirus 333 Lepidurus 353 Leptodora 350 LEPTODOKIUyE 350 386 Index of Genera. Leydigia 345 Ligia 360 Ligidium 361 Limnadia. 352 Limnadella 352 LlMNADID.E 350 Limnetis 350 Limnocalanus 329 Lynceid^ 344 Lyncodaphnia 344 Lyncodaphnidje 343 LysianassidjE 357 Macrothrix 343 Mancasellus 359 Moina 339 Monospilus 349 MysidjE 364 Mysis 364 Notadromus 337 Oniscid^ 360 Oniscus 361 Orchestid^ 358 Osphranticuin 329 OSTRACODA 336 Palsemon 374 Palsemonetes 374 Pal^monid;e 374 Pen^id^e 374 Penseus 374 Philoscia 361 PHYLLOPODA 350 Pleuroxus 348 POLYPHEMID^ 349 Polyphemus 349 Pontoporeia 357 Porcellio 362 Pseudosida 338 Rhinoryctes 363 ScapholeLeris 340 Scyphijeella 363 Sida 338 SiDID.E 338 Simocephalus 340 Sphajrillo 364 Streptocephalus 355 Styloniscus 364 Tachidius 333 Thamnocephalus 355 Trichoniscus 364 EKEATA.^^ Page 5, line 3 of table, second column, for 39 read 38 ; line 6, second column for 121 read 120. Page U, line 17. for conjunction read conjuyation. Page 21, line 13, for Ricciaci