BULLETLN 

OF THE 

ILLINOIS STATE LABORATORY 


Of 

NAT'U r~AL HISTORY 

URBANA, ILLINOIS, U. S. A. 

\' OL. "II. SEPTE~mER, 1906 AR'l'ICLE VI. 

A CATALOGUE OF THE MOLLUSCA OF ILLINOIS. 

BY 

FRANK COL.L1NS BAKER 

Cur~t()r of th e Chicago Academy of Sc iences. 



ERRATA AND ADDENDA.

Page 35, line 15, for 1854- read 1855.

Page 55, line 16, for Horticultural read State Agricultural.

Page 60, in second table, Illinois, for 240 read 241.

Page 65, first line above foot-note, for ventricosa read ligamentina.

Page 72, line 9, for imhecilis read imbecillis.

Page 79, line 19, for asperimus read asperrimtts.

Page 80, above Quadrula rubiginosa insert Section Fusconaia Simpson.
Page 76. The record of Calkins for Margaritana margaritifera is without

doubt erroneous and should be eliminated. This species is not found in Illinois.

Page 95. Pomatiopsis sheldonii Pilsbry should read Amnicola sheldonii and
should be transferred to the genus Amnicola on page 93.

Page 100. Physa gyrina oleacea Tryon is the immature stage of Physa gyrina.

Page 103. Lymncsa tazewelliana is a synonym of Lymncea parva.

Page 105. Lymncea palustris michiganensis is the immature form of Lymncca
rcflcxa.

Page 106. Lymncza reflexa ioivensis and Lymncea reflexa crystalensis are

synonyms of Lymncea reflexa.

Page 112, line 6 from bottom, for goitldi read gouldii.

Page 114, line 5 from bottom, for jnxtigcns read juxtidens.

Page 115, line 21, for Witter read Walker; line 23, Polygyra sayii Binney should
be changed to Polygyra sayana Pilsbry.

Page 116, line 1. Polygyra exolcta Binney (1885) should be changed to

Polygyra zaleta Binney (1837).

Page 117, line 11 from bottom, for Icai read leaii; line 3 from bottom, Poly-
gyra monodon fraterna is a good species and should read Polygyra fraterna.

Page 119, foot-note. A specimen of alliarins in the collection of Mr. Aldrich,

received from Calkins, proves to be draparnaldi.

Page 121, line 3 from bottom, for Champaign read Piatt.

Page 122, line 12 from bottom, for Pyramidula siriatella Anthony read Pyra-
midiila cronkkitci anthonyi Pilsbry; line 4, for Held read Hald.

Page 123, for Helicodiscus lineatus Say read Hclicodiscus parallcliis Say.

Page 162, line 7, for glandulosa read linearis.

Page 171, line 17, for riparia read vulpina.

Page 176, line 8 from bottom, for canadense read majiis.

Page 180, line 9, for virginica read virginiana.

Page 221, line 6 from bottom, for rectangiiliis read rcctangttlaris.

Page 226, line 3, for fasciatus read fasciata.

Page 239, line 11, strike out Lake Co. entry.

Page 246, lines 6 and 7, and page 248, lines 1, 14, 20, and 23, for CEnothera
read Onagra.

Page 248, line 4, for Candida Horn substitute n. sp.



Pac^e 249, line 8 from bottom, for Olethreutes dimidiana Sodoff? read

Olethreutes separatana Kearfott, and strike out parenthetical matter.

Page 251, line 7, for grossa read thoracica; line 21, for words preceding H. 6,

read Asilus rufipennis Hine; line 18 from bottom, for words preceding H. 2, substi-

tute Asilus cacopilogus Hine.

Page 253, line 8, for Linn, read Emory.

Page 257, line 15, for pennsylvanicus DeG. read auricomus Rob.

Page 261, Note 6. Melanoplus macneilli is very probably M. ftuviatilis Brun.

Page 262, Note 9. Dr. Bergroth writes that Nabis elongatus is preoccupied.

The original is elogantus in the check list. Comparison with long-winged vicarius

is desirable before re-naming it.

Page 309, in table, for 59 read 57, and for 743 read 741.

Page 310, in table, for JS* read 57.

Page 314, line 5, for 1587 read 481; line 16, after stubble insert meadows; line

17, after pastures strike out and meadows, and after 1600 strike out each.

Page 315, last line, for 553 read 481.

Page 362, line 7 from bottom, for longa read parvilamellata.

Page 373. As a second entry in synonymy insert as follows:

1854. Nothrus bistriatus, Nicolet, Acariens des Environs de Paris, p. 397,

PI. VII., Fig. 7.

Page 376, line 13 from bottom, for Oribata read Oribates.

Page 378, line 1, for XXV. read XXXV.
Page 384, after line 5 insert as follows:

N. bipilis Hermann. Mem. Apt., p. 95.

In moss. Areola and Parker, 111.

Page 384, line 5 from bottom, for pyrostigma read pyrostigmata.

Page 386, after line 11 from bottom insert as follows:

H. bistriata Nicolet. Acariens des Environs de Paris, p. 397, PL VII.,

Fig. 7.

Under logs and in moss, Urbana and Areola, 111.

Page 388, line 12, for sphcerulum read sphcsrida.



Map of Illinois, showing the number of species of mollusks

which have been recorded from each county. The higher figures

indicate in which counties systematic work has been done.





Article YL^—.1 Cataloytie of the MoUasra of Illinois. By
Frank Collins Baker.

Introductory.

The following catalogue of Illinois mollusks is intended to

record every reference to the Mollusca occurring in the state

which may be found in the few published lists, and also all scat-

tered references to the same, wherever published. The bibliog-

raphy is believed to contain a majority of the publications re-

ferring to the Mollusca of the state, but it can scarcely be com-
plete, since references probably exist which are unknown to

the author.

The classification is that of Dall, Pilsbry, and Simpson.

The valid species (so considered at the present time) overhang
at the margin, while those specitic names which have been used

in Illinois references and which are now considered synonyms
follow in parenthesis. In indicating the geographical distribu-

tion the author has deemed it best simply to quote every local-

ity from which specimens have been recorded, adding after each

locality, in parenthesis, the name of the collector or author who
is authority for the same. By this means an exact census of

our molluscan fauna will be secured, based on actual collections.

There have been several references to species which are evi-

dently founded on misidentifications. These are indicated in

foot-notes under their respective genera. Several species are

listed on the authority of correspondents, and the identifica-

tions have not been verified.

Acknowledgments are due to the following Illinois con-

chologists, who kindly furnished more or less exhaustive lists:

Mr. A. A. Hinkley, DuBois; Mr. J. H. Ferriss and Mr. J. H.

Handwerk, of Joliet; Mr. W. A. Marsh, Aledo; Dr. W. A. Nason,

Algonquin; Dr. W. S. Strode, Lewiston; and Mr. Charles A.

Hart, of lU'bana. The following persons have also aided in the

work, either by presenting collections to the Chicago Academy
58



54

of Sciences or by loaning material for study: Professor W. K.

Higley, T. Jensen, John Henry, A. W. Conner, J. D. Hood,

Thomas Swick, Carl Dilg, W. W. Calkins, W. W. Cooper, F. M.

Woodruff, H. B. Derr, Dr. H. N. Lyon, H. Fischer, E. W, Engle-

holm, R. L. Rea, and James Zetek, of Chicago; J. H. Ferriss, J. H.

Handwerk, and Mr. Oakes, of Joliet; E. Chamberlain and V. H.

Chase, Wady Petra; Benjamin T. Gault, Glen Ellyn; L. E. Dan-

iels, La Porte, Indiana; and Mrs. E. C. Wiswall, Kenosha, Wis-

consin. Collections made by Robert Kennicott, E. W. Nelson,

and J. W. Velie are in the collection of the Chicago Academy
of Sciences, and have been used in preparing this catalogue.

The following gentlemen have kindly identified the groups

indicated, and my thanks are due to them: Dr. H. A. Pilsbry,

Academy of Natural Sciences, Philadelphia, Penn., various land

and fresh-water shells; Mr. Bryant Walker, Detroit, Mich.,

Ancyli and other fresh-water shells; and Dr. V. Sterki, New
Philadelphia, Ohio, Corneocifclas and Pupidce. These gentlemen
have also identified considerable material in the State Labora-

tory collection.

My thanks are especially due to Prof. S. A. Forbes, Director

of the State Laboratory of Natural History, Urbana, for the priv-

ilege of studying and listing the very large collection of Hli-

nois mollusks under his charge.

This catalogue is but a tentative list, and additions and
corrections are earnestly solicited from all interested persons.

In the following pages the writer has aimed to present a
condensed survey of our knowledge concerning the molluscan
fauna of the state of Illinois. The position of the state, lying,

as it does, with the Mississippi River on the west, the Wabash
River on the east, the Ohio River on the south, and Lake Michi-
gan on the north, not to speak of the Illinois, Kaskaskia, Rock,
and other rivers intersecting the state, is particularly favorable
to the presence of a varied and abundant molluscan fauna. The
rich woodlands bordering or near the watercourses also afford

favorite retreats for the terrestrial species, about one sixth of

the surface being forest-covered.



55

There are two main draiiiaj^e areas, one, very small, in the
northern part of the state, draining into Lake Michigan, and
the other, including the larger part of the state, draining into

the Mississippi River by way of the Illinois,Rock,Fox,Desplaines,
Kankakee, Wabash, and Ohio, and other rivers and streams.
When the state is more thoroughly explored conchologically it

will probably be found that its mollusks will show peculiar

geographical variations due to its extent through five and a half

degrees of latitude (from 37" to42|°).

While the literature relating to the Mollusca of Illinois is

rather extensive, it is a singular fact that not one catalogue
has been published which gives a list of all of the species of

the state. Some of the more extensive catalogues which have
been published are mentioned below.

In 1854 Mr. H. A. Ulffers published a list of the Mollusca
of Southern Illinois in the Transactions of the Illinois Horticul-

tural Society (Vol. I., p. 610). This included 87 species. Of

these, 14 are now considered synonyms.

In 1871 Mr. John Wolf published his "Catalogue of the

Shell-bearing Mollusca of Fulton County, Illinois," in the Amer-
ican Journal of Conchology (Vol. VI., p. 27), listing 138 spe-

cies, of which 8 are now considered synonyms.

In 1874 Mr. W. W. Calkins listed the Mollusca of Northern
Illinois in the Cincinnati Quarterly Journal of Science (Vol. I.,

p. 321). This list included 129 species, of which but 6 are

now considered synonyms. The same author, in the Proceed-

ings of the Ottawa Academy of Sciences for 1874, enumerates
105 species as occurring in La Salle County.

In 1887-89 Mr. William A. Marsh enumerated 110 species

of land and fresh-water shells as found in Mercer county, his

lists being published in the Conchologist's Exchange (Vol. I. and
II.) and in the Nautilus (Vol. III.). Several of the species listed

are now considered synonyms.

Dr. W. S. Strode (Nautilus, Vol. V., p. 61, American Natur-

alist, Vol. XXVI., p. 495) enumerates 35 species, mostly Unios,

from Spoon River, near Bernadotte.



56

In 1898 Mr. John W. Huett published a volume on "The

Natural History of La Salle County, Illinois," in which (Part

II., p. 96) 92 species of land and fresh-water shells are listed.

In 1898-1902 Mr. Frank C. Baker published a report on

"The Mollusca of the Chicago Area", in which 164 species are

recorded for Cook, Du Page, and Will counties.

In addition to these more or less extensive lists, numerous

papers have been published in which Illinois shells are men-

tioned, and also quite a number which are devoted to critical

remarks or notes on the geographic distribution or economic

value of Illinois mollusks. The w^orks of Binney, Bland, Con-

rad, Haldeman, Kuster, Lea, Pilsbry, Prime, Say, Simpson, Ster-

ki, Tryon, and Walker contain many references to Illinois spe-

cies, as well as descriptions of some species new to science.

There have been twenty-eight species and varieties new to

science described from Illinois specimens. These are as fol-

lows:

Unio upsoni Marsh. Mercer County.

Sphserium lih/cashense Baker. Lilycash Creek.

" stammeinn forbesi Baker. Matanzas Lake.

Muscidium hodgsoni Sterki. Albion.

Corneocyclas Jiandwerki Sterki. Lilycash Creek.
"

Toperi Sterki. Higginbotham's Spring, Joliet.

Campeloma subsolidwn Anthony. Illinois.

Amnicola pilsbryi Walker. Rockford.

Pyrgulopsis mississipp'iensw Pilsbry. Mississippi River, near Rock River.
"

scalariformis Wolf. Tazewell Co. shore, Illinois River.

Fleurocera leirisii Lea. Peoria.
" moniliferum Lea. Ohio River, near its mouth, in Illinois.

Goniobam grosvenorii Lea. Fox River.

Physa hildrethiana Lea. A lake in Illinois.
"

elongata Say. Shores of Illinois.

Lymnsea tazevelliana Wolf. Tazewell Co. shore, Illinois River.
" woodrujfi Baker. Lake Michigan.
" ferrissii Baker. Joliet.

" sufflalus Calkins. Calumet River, Chicago.
" reflexa jolietensis Baker. Joliet.
'

' reflexa crystcdlensis Baker. Crystal Lake.

Vallonia parvula Sterki. Joliet.

Zonites upsoni Calkins. Rockford.

Vertigo tridentata Wolf. Canton.



57

Succinea calumetensis Calkins. Calumet Marshes, Chicago.
" peorlends Wolf. Peoria.

" illhioisoms Wolf. Canton.

Polygyra mnWlineala algonquinermx Nason. Algonquin.

Of the above list the following are now considered syno-

nyms of other species:

Vnio upsoni = Lamjmlh lic/amentina Lamarck.

Goniobasis gro.'irenorii= (loniobmis i^euiicarinatd Say.

Physa eJongnla = Aple.ra hypnonim Linne.

Lgmnwa ferrissii = Lymnwa caperata Say.

" sufflatus = Lymmva palnatris Miiller.

Zonites upsoni — Vertigo ovata Say.

Succinea calumetensis = Succinea retnsa Lea.

Illinois lies wholly within Binney's Interior Ilegion of the

Eastern Province. Of the 69 species mentioned by Binney as

inhabiting this region, all but 8 have been found in Illinois. It

will thus be seen that the Illinois molluscan fauna is typical

of the interior region. Among the land shells the families

Zo)tifl(I(f^ and Ilelicidd' are represented by the largest number
of species; among the genera, Polijfjtjra is the most noteworthy.

The Mississippi Valley is the metropolis of the pearly fresh-

water mussels [Union idw), amd the position of the state, bor-

dered on the west by the Mississippi River and on the south and
east by the Ohio and Wabash rivers, has produced a large and
varied Unio fauna, no less than 98 species and varieties being

found in the various rivers and lakes. The SplKt^rlithc, Vivi-

par/i/te, Anuiicolidw, and Li/ii/n<('id(r are also notably developed.

The fluviatile species are distributed among 9 families and
47 genera. Of these, 2 families and 25 genera are bivalves, 3

families and 7 genera are pulmoniferous, and 4 families and 15

genera are branchiferous and operculate, as is evident from the

following list.

FLUVIATILE MOLLISKS.

Family. Genus. ?o. of No. of
•^ Species. \ aneties.

Viuonidie Trundlla 6 1

Lampsilis 24

Micromya 1

Obovaria 4



58

Family.

UnionUhc [Cont.]

Splneriidce

ViriparicLv

Vcdvatidie

Amnicolidie

Pleuroreridpe

PhysidiK

Ancylidse

Lymnxidse

,

,

No. of
^^^""^-

Species.

Plagiola 3

Tritogonia 1

Cyprogenia 1

Ohliquaria 1

Ptychobranchus 1

Dromus 1

Stropliitus 1

Anodonta 6

Lastena 1

Anodontoid.es 1

Arcidens 1

Symphynota 3

Alanmidonta 2

Hemilastena 1

Margaritana 2

Unio 3

Pleurobema 3

Quadrula 22

Sphasriwn 9

Musculium 9

Corneocyclas 24

Viripara 3

Campeloma 6

lAoplax 1

Valvata 4

Bythinia 1

A mnicola 7

Paludestrina 1

Somatogyrus 4

Pomatiopsis 3

Pyrgulopsis 2

A ngUrema 2

Lithasia 2

Pleurocera 12

Goniobasis 9

Anculosa 3

Physa 9

Aplexa 1

Ancylus 10

Gundlachia 2

Lymmea 15

Planorbis 12

Segmentina 1

Total 241

No. of

Varieties.

2

1

13

1

44



59

The terrestrial forms are distributed among 14 families and
27 genera.

TERRESTRIAL MOLLUSKS.

Family. (jrenus. No. of No. of

Species. Varieties.

Helicinidie Helidna 1

AuricuUdx Carycliium 2

Vullonudte Vallonia 3

Pupida? Strobilops .">

Pupoides 1

Bifidaria 7 1

1 ^ertigo 5 1

PupiUa 1

Cochlicopidpe Cochlicopa 1

Succineidie Snccinea 9 3

Helicidw Polygiira 21 6

Achntinidw Opens 1

Testacellidie Testacella 1

Circinariidie Circinaria 1

Zonitidie fhnphalina 4

1 Itrea 5

T Itrina 1

Eueonulus 2 1

Zonitoides 5

dmlrodonta 5

Limaeidie Limax 2

Agriolimax 2

Ph ilomycidse PJdlomycus 1

Endudoididie Pyramidula 4

HeUcodisciLt 1

J'unrtiun 1

Sphyradium 1

Total 91 12

A comparison of our fauna with that of other states is in-

teresting, although the comparison is scarcely accurate in one

or two cases on account of the age of the records (Maine, 1864;

Alabama, 1876)*.

*The figures of the following table are mostly from Mr. Bryant Walker's paper,

"Revision of our Present Knowledge of the Molluscan Fauna of Michigan", 1894.



60



61

mail}' as New York; while in the Phniyoreriihc this comparison

is even more marked, the corresponding record being 34 times

as many for New York, 30 times as many for Michigan, and
about 11 times as many for Illinois. In other families the ra-

tios are more nearly equal. In the IlijgropJtila the greatest in-

crease is toward the west, Michigan and Illinois having the

greatest number of species. In a general way we may say that

the U}i/o}ifd<r, PIen)-ocerl(/((', and Viriixiridd' are characteristic of

the southern region, while the HygwpJiihi, ]'<ilr(d'Hhv, and

Sph(erii(ht^ are characteristic of the northern region. The num-
ber of species of SpJurrlidtr found in this state (42) is notewor-

thy.

A study of the published and manuscript lists of the state

shows that little is known concerning the geographical distri-

bution of our Mollusca. For only ten counties has a careful list

been made. The writer has obtained records from 69 counties,

the number of species ranging from 1 to 145. The following

list shows the number of species known to inhabit 10 counties

and 8 rivers.

Counties. Rivera.

Cook 141 Illinois 110

Fulton 145 Wabash 43

La Salle 120 Ohio 43

Will no Kaskaskia 19

Mercer 113 Kankakee 67

Winnebago 7o Rock 14

Mason 9S Kishwaukee 10

McHenry 89 Mississippi 56

Menard 62

Adams 56

The Cook county list includes 8 species which have been

introduced from Europe and are now thriving in the green-

houses of Chicago.

Too little is as yet known concerning the distribution of

Illinois Mollusca to permit any satisfactory generalizations.

One of the reasons which prompted the preparation of the pres-

ent catalogue was the hope that its publication might stimulate

a desire among conchologists to prepare careful, up-to-date lists



62

of as many counties as possible. Much good work has been

done in Indiana by Call, Daniels, and Blatchley, and the work

of the Michigan conchologists under the leadership of Mr. Bry-

ant Walker is to be highly commended. It is to be hoped that

Illinois will not fall behind in this good work.



SYSTEMATIC CATALOGUE OF SPECIES.

Class PELECYPODA.

Order PRIONODESMACEA.

Superfamily Naiadacea.

Family UNIONID^.
HETEROGENiE.

Genus Truncilla Rafinesque.

Subgenus Truncilla Rafinesque.

Truncilla triquetra Rafinesque { = triangularis Lea).

Northern Illinois (Calkins) ; Will Co. (Ferriss) ; Kankakee
River; Illinois River (Handwerk) ; La Salle Co. (Huett)

;

Wabash River (Marsh) ; Athens, Menard Co. (Nason) ; Southern

Illinois (Ulffers) ; Fulton Co. (Wolf).

Subgenus Scalenaria (Rafinesque) Agassiz.

Ti'uncilla sulcata Lea.

Ohio River (Marsh).

Subgenus Dysnomia Agassiz.

Truncilla foliata Hildreth.

Ohio River (Marsh) ; Southern Illinois (Ulffers).

Subgenus Pilea Simpson.

Truncilla perplexa Lea.

Wabash River (Hinkley) ; Ohio River (Marsh) ; Southern

Illinois (Ulffers).

Truncilla perplexa rangiana Lea.

Illinois (Call); Wabash River (Marsh) ; Southern Illinois

(Ulffers).

Truncilla propinqua Lea.

Ohio River (Marsh),

Truncilla personata Say { = pileus Lea).

Southern Illinois (Ulffers),

63



64

Genus Micromya (Agassiz) Simpson.

Micromya fahalis Lea.

Wabash River (Marsh).

Genus Lampsilis Rafinesque.

Subgenus Lampsilis Rafinesque.

Section Lampsilis Rafinesque.

Lampsilis ventricosa Barnes (= occidens Lea, sitbovata Lea).*

Oregon, Ogle Co. ; Starved Rock, La Salle Co. ; Savanna, Car-

roll Co. (Baker) ; Cook Co. (Baker, Calkins) ; Northern Illinois;

Fox River (Calkins) ; Dundee, Kane Co. (Engleholm, Nason)
;

Hickory Creek ; Kaskaskia River (Ferriss, Handwerk) ; Du Page

River; Illinois River (Handwerk); Mississippi River, Quincy,

Adams Co. ; Mackinaw River, Kappa, Woodford Co. (Hart)

;

Winnebago Co. ; Ohio River; Kaskaskia River (Hinkley) ; La
Salle Co. (Huett); Fulton Co. (Kelly, Wolf); Mercer Co.;

Ohio River; Mississippi River (Marsh); Athens, Menard Co.

(Nason) ; Mt. Carmel, Wabash Co. (Nelson) ; Spoon River

(Strode); Southern Illinois (Ulffers); Embarras River, Oak-

land, Coles Co.
;
Quiver Creek, Havana, Mason Co. (State Lab-

oratory).

Lampsilis capax Green.

Northern Illinois; Mt. Carmel, Wabash Co. (Calkins); Mer-

cer Co. (Ferriss, Marsh) ; Shawneetown, Gallatin Co. (Fischer)

;

Quincy, Adams Co. (Hart); La Salle Co. (Huett); Mississippi

River (Marsh) ; Spoon River, Fulton Co. (Strode) ; Southern
Illinois (Ulffers); Fulton Co. (Wolf).

Lampsilis ovata Say.

Ohio River (Marsh).

Lampsilis multiradiata Lea.

Cook Co. (Baker) ; Illinois (Call) ; Dundee, Kane Co. (En-

gleholm); Big Vermilion River (Marsh); Southern Illinois

(Ulffers).

*Lampsilis cariosa Say is reported by Huett from La Salle county. The reference

was undoubtedly founded on specimens of ventricosa, as cariosa is a species of the
Atlantic and St. Lawrence drainage.



65

iSection Enriniid Kalineaiiue.*

LampsHis luteola Lamarck ( = siliquoides Barnes, distans Anthony)

.

Oregon, Ogle Co. (Baker); Cook Co. (Baker, Calkins,

Higley, Jensen, Lyon, Nason) ; Mt. Carmel, Wabash Co. (Calk-

ins) ; Northern Illinois (Calkins, Nason) ; Dundee, Kane Co.

(Engleholm, Nason); Hickory Creek, Will Co. (Ferriss) ; Du
Page Biver (Gault) ; Kankakee and Du Page rivers (Hand-
werk) ; Illinois River (Handwerk, Kelly) ; Mackinaw River,

Kappa, Woodford Co, (Hart) ; Rock, Pecatonica, and Kishwau-
kee rivers, and Kent's Creek (Hinkley) ; Little Wabash and
Big Muddy rivers (Hinkley, for siliquoides) ; La Salle Co.

(Huett)
;
Quiver Creek, Mason Co. (Kelly) ; Crystal Lake (Ly-

on) ; Cedar Lake, Lake Co. (Marcy) ; Washington Co. ; Missis-

sippi River, Mercer Co. (Marsh); Calumet River; Algonquin
and Silver Lake, McHenry Co ; Athens, Menard Co. (Nason);

Illinois River; Spoon River (Strode) ; Southern Illinois (Ulfl'ers,

for siliquoides) ; Fulton Co. (Wolf) ; Lake Michigan, Chicago,

Cook Co; Havana, Mason Co. (State Laboratory).

Lanipsilis ligamentina Lamarck (=6'/'rtS5« Say).

Oregon, Ogle Co.; Savanna, Carroll Co. ; Cook Co. (Baker);

Northern Illinois; Mt. Carmel, Wabash Co, (Calkins); Dundee,
Kane Co, (Engleholm, Nason) ; Kankakee River (Ferriss) ; Kan-
kakee, Illinois, and Du Page rivers (Handwerk) ; Mississippi

River, Quincy, Adams Co, (Hart) ; Rock, Pecatonica, Kaskas-

kia, Wabash, and Little Wabash rivers (Hinkley) ; La Salle

Co. (Huett); Spoon and Illinois rivers (Kelly, Strode) ; Mercer

Co., Mississippi River (Marsh); Athens, Menard Co ; Algon-

quin, McHenry Co. (Nason) ; Southern Illinois (Ulffers) ; Ha-

vana, Mason Co. (State Laboratory).

Lampsilis upsoni Marsh {= ligamentina) is reported from

Mercer Co. (Marsh) and from the Kishwaukee River (Hinkley

and Marsh). Simpson (Synopsis, p. 539) makes this a synonym
of ventricosa.

*Lmnpxiliii propria Lea. A specimen of this species, identified by Mr. C. T. Simpson,

is in the collection of the Chicago Academy of Sciences and was received froin

Mr. W. W. Calkins as from the Illinois River. As this species has been found

only in Virginia and Georgia the Illinois record nmst be considered very doubt-

ful. The probability is that the specimen became mixed with Illinois shells.



66

Lampsilis orhiculata Hildreth.*

Northern Illinois (Oalkins) ; Mississippi River, Quincy,Adams
Co. (Hart, Nason) ; La Salle Co. (Huett) ; Wabash River

(Marsh); Illinois River (Strode) ; Fulton Co. (Wolf); Havana,

Mason Co. (State Laboratory).

Lampsilis higginsii Lea.

Illinois River (Ferriss, Handwerk, Kelly) ; Kankakee River

(Handwerk) ; Mississippi River (Marsh).

Lampsilis anodontoides Lea (= tei'es Say).

Savanna, Carroll Co. ; Cook Co. (Baker) ; Mt. Carmel, Wabash
Co. ; Northern Illinois (Calkins) ; Illinois River (Ferriss, Hand-
werk, Strode) ; Shawneetown, Gallatin Co. (Fischer) ; Du Page

Co. (Gault) ; all rivers visited (Hinkley) ; La Salle Co. (Huett)

;

Illinois River (Kelly) ; Cache Creek, Pulaski Co. (Lyon) ; Mer-

cer Co., Mississippi River (Marsh) ; Mississippi River, Quincy,

Adams Co.; Athens, Menard Co. (Nason); Thompson's Lake
(Strode) ; Southern Illinois (Ulffers) ; Fulton Co. (Wolf) ; Ha-
vana, Mason Co. ; Fulton Co. (State Laboratory).

Lampsilis fallaciosa (Smith) Simpson.

Savanna, Carroll Co. ; Cook Co. (Baker) ; Meredosia, Morgan
Co. (Gault); Hickory Creek, Will Co. (Handwerk); Quincy,
Adams Co. (Hart) ; Ca(?he Creek, Pulaski Co. ; Crooked and
Clear creeks, Union Co. (Lyon) ; Mississippi River (Marsh);
Havana, Mason Co. ; Meredosia, Morgan Co. ; Peoria, Peoria Co.

(State Laboratory).

Lampsilis recta Lamarck.
Fox River (Atwater) ; Savanna, Carroll Co. ; Cook Co ; Ore-

gon, Ogle Co. (Baker) ; Northern Illinois (Calkins) ; Fox River,

Dundee, Kane Co. (Engleholm, Nason); Kankakee River (Fer-
riss); Illinois, Kankakee, and Du Page rivers (Handwerk);
Mississippi River, Quincy, Adams Co. (Hart); Winnebago Co.

;

Kaskaskia River (Hinkley) ; La Salle Co. (Huett) ; Alton, Madi-
son Co. (Kennicott) ; Mississippi River, Mercer Co. (Marsh) ; Fox
River, Algonquin, McHenry Co. ; Athens, Menard Co. (Nason)

;

Illinois and Spoon rivers and Quiver Creek, Mason Co. (Strode)

;

Southern Illinois (Ulffers) ; Fulton Co. (Wolf) ; Havana, Mason
Co. (State Laboratory )

.

*Lampsil!s pinguu Lea is listed by Marsh from the IlUnois River. According to Simp-
son this species is doubtfully distinct from orbicuhUa, the type being diseased.
It is recorded only from St.Peter's River, Minnesota. (Simpson's Synopsis, p. 540.

)



67

Lampsilis suhrostrata Say (= niississippiensls Conrad).

Peru, La Salle Co. (Derr) ; Lily Lake, Quiiicy, Adams Co.

(Hart); Big and Little Muddy rivers (Hinkley) ; Mt. Carmel,

Wabash Co.; Aledo, Mercer Co. (Lewis); Mercer Co., Missis-

sippi River; Wabash River (Marsh).

Lampsilis tiigerrima Lea.

Wabash River (Marsh). This species is recorded by Simpson

from "Alexandria, Louisiana, to Eastern Texas; Indiana?"

Lampsilis Uenosa Conrad (= caliginosa Lea).

Saline River; pond in Perry Co. (Hinkley) ; Little Vermilion

River (Marsh); Southern Illinois (Differs).

Lampsilis iris Lea (= novi-eboraci Lea).

Cook Co. (Baker, Jensen) ; Northern Illinois (Calkins) ; Fox
River, Dundee, Kane Co. (Engleholm) ; Du Page River (Ferriss,

Gault, Handwork); Hickory Creek, Will Co. (Handwerk); La

Salle Co. (Huett) ; Kankakee River ; Edwards Creek (Marsh)
;

Fox River, Elgin, Kane Co. ; Algonquin, McHenry Co. (Nason)

;

Spoon River (Strode); Fulton Co (Wolf).

Lampsilis ellipsiformis Conrad ( - spatulata Lea).

Cook Co. (Baker, Jensen) ; Northern Illinois; Vermilion River

(Calkins); Fox River, Dundee, Kane Co. (Engleholm, Nason)

;

Hickory Creek, Will Co. (Ferriss, Handwerk) ; Du Page River

(Gault) ; Mackinaw River, Kappa, Woodford Co. (Hart) ; Kish-

waukee River (Hinkley) ; La Salle Co. (Huett) ; Mercer Co.,

Edwards Creek (Marsh) ; Fox River, Algonquin, McHenry Co.

(Nason) ; Fulton Co. (Wolf) ; Fox River (New York State Cab-

inet).

Subgenus Carunculina Simpson.

Lampsilis texasensis Lea.

Southern Illinois (Simpson).

Lampsilis parva Barnes.

Oregon, Ogle Co.; Savanna, Carroll Co.; Cook Co. (Baker);

La Salle Co. ; Northern Illinois (Calkins) ; Kankakee River (Fer-

riss)
;
Quincy, Adams Co. (Garman) ; Du Page River (Gault)

;

Hickory Creek, Will Co. (Handwerk)
;
Quincy, Adams Co; Kap-

pa, Woodford Co. (Hart) ; nearly all streams visited (Hinkley)

;

Illinois River (Kelly); Mercer Co., Mississippi River (Marsh)

;

Athens, Menard Co. (Nason); Spoon River, Thompson's Lake,



68

Fulton Co. (Strode); Southern Illinois (Differs); Fulton Co.

(Wolf); Havana, Mason Co; Herod, Pope Co. (State Labora-

tory).

Lampsilis glans Lea.

Little Wabash River (Hinkley) ; BigVermilion River(Marsh)

;

Southern Illinois (Ulffers).

Subgenus Proptera Rafinesque.

Lampsilis alata Say.

Savanna, Carroll Co. ; Cook Co. (Baker) ; Northern Illinois ; Fox
River (Calkins) ; Fox River, Dundee, Kane Co. (Engleholm)

;

Kankakee River (Ferriss, Handwork) ; Shawneetown, Gallatin

Co. (Fischer); Quincy, Adams Co. (Garman, Hart, Nason)
;

Dn Page River; Illinois River (Handwork); Rock, Kishwaukee,
Kaskaskia, Ohio, and Big Muddy rivers (Hinkley) ; La Salle

Co. (Huett) ; Cook Co. (Jensen) ; Spoon River ; Illinois River
(Kelly, Strode) ; Mercer Co., Mississippi River (Marsh)

;

Athens, Menard Co. (Nason) ; Southern Illinois (Differs) ; Ful-

ton Co. (Wolf) ; Illinois River and Quiver Creek, Havana, Ma-
son Co. (State Laboratory)

.

Lampsilis purpurata Lamarck.
Spring Creek (Handwerk).

Lampsilis gracilis Barnes.

Savanna, Carroll Co.; Cook Co. (Baker, Jensen) ; Northern
Illinois (Calkins) ; Fox River, Dundee, Kane Co. (Engleholm)

;

Kankakee River (Ferriss) ; Shawneetown, Gallatin Co. (Fisch-

er) ; Mississippi River, Quincy, Adams Co. (Garman, Hart,

Nason) ; Desplaines, Illinois, and Kankakee rivers (Hand-
werk) ; all rivers visited (Hinkley) ; La Salle Co. (Huett)

;

Illinois River; Spoon River (Kelly, Strode) ; Mercer Co., Mis-

sissippi River (Marsh) ; Athens, Menard Co. (Nason) ; Southern
Illinois (Differs) ; Fulton Co. (Wolf) ; Havana, Mason Co. ;

Cedar Lake, Lake Co. ; Peoria, Peoria Co. ; Dallas Slough, Dal-

las City, Hancock Co. (State Laboratory).

Lampsilis kevissima Lea (= ohioensis Say).

Northern Illinois (Calkins) ; Illinois River, Dtica, La Salle

Co. (Ferriss)
;
Quincy, Adams Co. (Garman, Hart) ; Kaskaskia

Ohio, and Wabash rivers (Hinkley) ; Spoon and Illinois rivers

(Kelly, Strode) ; Mercer Co., Mississippi River (Marsh) ; South-



69

ern Illinois (Ulffers); Fulton Co. (Wolf); Havana, Mason Co.

(State Laboratory).

Lampsilis leptodon Rafinesque { — tenuissima Lea).

Savanna, Carroll Co. (Baker) ; Illinois River (Ferriss) ; Kas-

kaskia River (Hinkley) ; Mississippi River, Mercer Co.

(xMarsh) ; Southern Illinois (Ulffers) ; Fulton Co. (Wolf).

Genus Obovaria Rafinesque.

Subgenus Obovaria Rafinesque.

Ohovaria retusa Lamarck.

Northern Illinois (Calkins) ; Wabash River (Hinkley) ; La

Salle Co. (Huett) ; Ohio River (Marsh) ; Spoon and Illinois

rivers (Strode)

.

Ohovaria circulus Lea.

Wabash River (Hinkley, Marsh) ; Southern Illinois (Ulifers).

Ohovaria lens Lea.

Ohio River (Hinkley, Marsh).

Subgenus Psetidoon Simpson.

Ohovaria ellipsis Lea.

Northern Illinois; Illinois River (Calkins) ; Kankakee River

(Ferriss); Illinois River (Handwerk)
;

Quincy, Adams Co.

(Hart) ; Wabash and Ohio rivers (Hinkley); La Salle Co.

(Huett) ; Mercer Co., Mississippi River (Marsh) ;
Illinois and

Spoon rivers (Strode); Fulton Co. (Wolf); Illinois River,

Havana, Mason Co. (State Laboratory).*

Genus Plagiola (Rafinesque) Agassiz.

Subgenus Plagiola (Rafinesque) Agassiz.

Plagiola securis Lea.

Savanna, Carroll Co. (Baker) ;
Northern Illinois (Calkins)

;

Kankakee River (Ferriss, Handwerk) ; Shawneetown, Gallatin

Co. (Fischer) ; Illinois River (Handwerk, Kelley, Nason, and

Strode) ; Mississii)pi River, Quincy, Adams Co. (Hart) ; Kas-

kaskia, Wabash, and Ohio rivers (Hinkley) ; Mercer Co., Mis-

sissippi River (Marsh) ; Southern Illinois (Ulffers) ; Fulton Co.

(Wolf) ; Illinois River, Havana, Mason Co. (State Laboratory).

*Calkini= (C'in. Quart. Journ. Sci., I., p. 244) lists dliji-v-'^ as ocovirrinfjj near Chicago,

bui no authentic specimens have been seen, and occurrence of this species in the

Chicago region is very doubtful.



70

Plagiola elegans Lea.

Savanna, Carroll Co. (Baker) ; Cook Co. (Baker, Calkins, Jen-

sen) ; Chicago; Northern Illinois (Calkins); Kankakee River

(Ferriss) ; Meredosia, Morgan Co. (Gault) ; Illinois River

(Handwerk, Kelly, Strode) ; Mississippi River, Quincy, Adams
Co. (Hart) ; Kaskaskia, Wabash, Little Wabash, Big Muddy,

and Ohio rivers (Hinkley) ; La Salle Co. (Huett) ; Mercer Co.,

Mississippi River (Marsh) ; Athens, Menard Co.
;
Quincy, Ad-

ams Co. (Nason) ; Spoon River (Strode) ; Southern Illinois

(Ulffers) ; Fulton Co. (Wolf) ; Havana, Mason Co. ; Saline Co.

(State Laboratory).

Plagiola donaciformis Lea {^zigzag Lea).

Cook Co. (Baker, Calkins) ; Northern Illinois (Calkins) ; Illi-

nois River (Calkins, Handwerk, Kelly, Strode) ; Kankakee Riv-

er; Spring Creek (Ferriss, Handwerk); Quincy, Adams Co.

(Hart) ; Little Wabash, Kaskaskia, and Wabash rivers (Hink-

ley) ; La Salle Co. (Huett) ; Mercer Co., Mississippi River

(Marsh); Athens, Menard Co. (Nason); Spoon River (Strode);

Southern Illinois (Ulffers) ; Fulton Co. (Wolf) ; Havana, Mason

Co. (State Laboratory).

DIGENiE.

Genus Tritogonia Agassiz.

Tritogonia tuberculata Barnes.

Oregon, Ogle Co. (Baker) ; Northern Illinois (Calkins) ; Illi-

nois River (Calkins, Handwerk) ; Fox River, Dundee, Kane Co.

(Engleholm) ; Kankakee River (Ferriss) ; Shawneetown, Galla-

tin Co. (Fischer) ; Meredosia, Morgan Co. (Gault) ; Illinois River

(Handwerk) ; Mississippi River, Quincy, Adams Co. (Hart)
;

all rivers visited (Hinkley) ; La Salle Co. (Huett) ; Mercer Co.,

Mississippi River (Marsh) ; Athens, Menard Co.
;
Quincy, Ad-

ams Co. (Nason) ; Spoon River (Strode) ; Southern Illinois

(Ulffers) ; Fulton Co. (Wolf) ; Havana, Mason Co. ; Saline Co.

(State Laboratory).*

*Calkins (Cin. Quart. Jour. Sci., I., p. 244) cites this species from Chicago, but

no specimens have been seen. It is therefore a very doubtful inhabitant of the Chi-

cago Area.



71

MESOGENiE.

Genus Cyprogenia Agassiz.

Cyprogc7iia irrorata Lea {=stegaria Say).

Mt. Carmel, Wabash Co. (Calkins) ; Wabash River (Hinkley,
Marsh): Southern Illinois (UlfFers).

Genus Obliquarta (Rafinesque) Simpson.

Ohliquaria retfexa Rafinesque {=conmta Barnes).

Savanna, Carroll Co. (Baker) ; Cook Co. (Baker, Calkins) ;

Northern Illinois; Mt. Carmel, Wabash Co. (Calkins); Kanka-
kee River (Ferriss, Handwerk) ; Shawneetovvn, Gallatin Co.

(Fischer) ; Meredosia, Morgan Co. (Gault) ; Illinois River
(Handwerk, Kelly, Ferriss, Strode) ; Mississippi River, Quincy,

Adams Co. (Hart) ; Little Wabash, Big Muddy, and Ohio riv-

ers (Hinkley); La Salle Co. (Huett); Mercer Co., Mississippi

River (Marsh) ; Athens, Menard Co; Mississippi River, Quincy,

Adams Co. (Nason) ; Spoon River (Strode) ; Southern Illinois

(Ulffers); Fulton Co. (Wolf); Havana, Mason Co. (State Lab-

oratory).

PTYCHOGENiE.

Genus Ptychobranchus Simpson.

Ptycholranchus phaseolus Hildreth.

Wabash River (Hinkley, Marsh) ; Southern Illinois (Differs).

ESCHATIGENiE.

Genus Dromus Simpson.

Dronuts dronuis Lea.

Ohio River (Marsh).

DIAGENiE.

Genus Strophitus Rafinesque.

Strophitus edentulus Say {=^sha^'eriana Lea, wavdiana Lea).

Oregon, Ogle Co. ; Savanna, Carroll Co. (Baker); Cook Co.

(Baker, Higley, Jensen, Lyon); Northern Illinois (Calkins)

;

Peoria, Feoria Co. (Chamberlain) ; Hickory Creek, Will Co.

(Ferriss, Handwerk) ; Du Page River (Gault) ; Desplaines Riv-

er (Handwerk) ; Rockford, Winnebago Co. ; Kaskaskia and

Wabash rivers (Hinkley) ; La Salle Co. (Huett) ; Illinois Riv-

er (Kelly, Nason); Mercer Co.; Mississippi and Wabash riv-

ers (Marsh) ; Fox River, Dundee, Kane Co., and Algonquin,



72

McHenry Co; Athens, Menard Co. (Nason) ; Spoon River

(Strode); Fulton Co. (Wolf); Havana, Mason Co. ; Peoria, Pe-

oria Co. (State Laboratory).

Strophitus edentulus pavonius Lea.

Cook Co. (Baker) ; Hickory Creek, Will Co. (Ferriss) ; Joliet,

Will Co. (Handwerk) ; Wabash River (Marsh).

HOMOGENiE.

Genus Anodonta (Bruguiere) Lamarck.

Anodonta imbecilis Say.

Cook Co. (Baker, Calkins, Jensen); Northern Illinois (Calk-

ins); Illinois River (Calkins, Kelly, Strode); Kankakee River

(Ferriss)
;
Quincy, Adams Co. (Garman, Hart) ; Desplaines

River (Handwerk); Kishwaukee and Big and Little Muddy
rivers (Hinkley) ; La Salle Co. (Huett) ; Pulaski Co. (Lyon);

Mercer Co., Mississippi River (iMarsh) ; Spoon River (Strode);

Southern Illinois (Differs) ; Fulton Co. (Wolf)
;
Quiver Lake

and Havana, Mason Co. ; Peoria, Peoria Co.; Hamilton Co.;

Pekin Lake, Tazewell Co. (State Laboratory).

Anodonta suborhiculata Say.

Northern Illinois (Calkins) ; Springfield, Sangamon Co.

(Call) ; Putnam Co. (Ferriss) ; Thompson's Lake, Fulton Co.

(Kelly, Strode) ; Fulton Co. (Lyon, Wolf) ; Mercer Co., Missis-

sippi River (Marsh); Spoon and Illinois rivers (Strode);

Southern Illinois (Ulffers) ; Thompson's Lake, Fulton Co.

;

Clear and Quiver lakes. Mason Co. (State Laboratory).

Anodonta grandis Say {^salmonia Lea, ovata Lea).

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).

Anodonta grandis footiana Lea {— marryattana Lea).

Cook Co. (Baker, Calkins, Marsh) ; Dundee, Kane Co. (En-

gleholm) ; Du Page River (Handwerk) ; Silver and Crystal

lakes and Algonquin, McHenry Co. (Lyon, Nason) ; Lake Co.

(Marcy, Marsh) : Northern Illinois (Nason) ; Grass Lake, Lake
Co. (Woodruff) ; Cedar Lake, Lake Co. (State Laboratory).

Anodonta grandis gigantea Lea {^decora Lea, plana Lea).

Cook Co. (Calkins); Mercer Co., Edwards Creek; Big Ver-

milion River (Marsh) ; Spoon River (Strode) ; Southern Illinois

(Differs).

Anodonta corpulenta Cooper.

Savanna, Carroll (^o. (Baker) ; Northern Illinois; Peoria Lake,

Peoria Co. ; La Salle Co. (Calkins); Aledo, Mercer Co. (Call);

Illinois River (Cooper, Ferriss, Handwerk, Kelly)
;
Quincy, Ad-

ams Co. (Hart, Nason) ; La Salle Co. (Huett) ; Cook Co. (Jen-

sen) ; Thompson's Lake, Fulton Co. (Kelly, Strode) ; Mercer

Co., Mississippi River (Marsh); Fulton Co. (Wolf); Havana,

Mason Co; Pekin Lake. Tazewell Co. (State Laboratory).

A?iodo?ita marginata Sa.y {=fragilis Lamarck, subcarmata Currier,

lacustris Lea).

Hickory Creek, Will Co. ; Desplaines River (Handwerk) ;

Lake Co. (Marsh) ; Spoon River (Strode) ; Fulton Co. (Wolf).

Simpson gives this as found in the St. Lawrence River drain-

age, but the records above seem to be authentic.

Anodonta inipUcata Say.

Lake Co. (Marsh).

Genus Lastena Rafinesque.

Lastena lata Rafinesque ( —dehiscens Say).

Illinois (Call); Illinois River (Marsh); Southern Illinois

(Ulffers).

Genus Anodontoides Simpson.

Anodontoides ferussacianas Lea.

Cook Co. (Baker) ; Hickory Creek, Will Co. (Ferriss, Hand-

werk) ; Du Page River (Gault) ; Kishwaukee River and Kent's

Creek (Hinkley) : Mercer Co., Edwards Creek (Marsh); Fox



74

River, Dundee, Kane Co. (Nason) ; Spoon River (Strode) ; Ce-

dar Lake, Lake Co. (State Laboratory).

A?iodontoides ferussackinus sahGylindraceus Lea.

Cook Co. (Baker, Jensen) ; Northern Illinois (Calkins)
;

Hickory Creek, Will Co. (Ferriss, Handwerk) ; Du Page Co.

(Lyon) ; Lake Co. (Marcy) ; Peoria, Peoria Co. (State Labora-

tory).

Genus Arcidens Simpson.

Arcidens confragosus Say.

Savanna, Carroll Co. (Baker) ; Northern Illinois (Calkins)
;

Springfield, Sangamon Co., and Fox River (Call) ; Illinois River,

Utica, La Salle Co. (Ferriss, Handwerk) ; Mississippi River,

Quincy, Adams Co. (Hart, Nason) ; Kaskaskia, Big Muddy, and

Little Wabash rivers (Hinkley) ; La Salle Co. (Huett) ; Spoon

and Illinois rivers (Kelly, Strode) ; Mercer Co., Mississippi River

(Marsh) ; Athens, Menard Co. (Nason) ; Southern Illinois

(Ulifers) ; Fulton Co. (Wolf) ; Lake Michigan, Chicago, Cook

Co. ; Havana, Mason Co. (State Laboratory).

Genus Symphynota Lea.

Subgenus Symphynota Lea.*

Symphynota compressa hea, {=pi'essa Lea,).

Cook Co. (Baker) ; Hickory Creek, Will Co. (Ferriss) ; Du
Page River (Gault) ; Illinois River (Handwerk) ; Kent's Creek,

Rockford, Winnebago Co. (Hinkley) ; Mercer Co. (Marsh) ; Mill

Race, Algonquin, McHenry Co. (Nason).

Subgenus Lasmigona Rafinesque.

Symphynota costata Rafinesque {=Tugosa Barnes).

Savanna, Carroll Co. (Baker) ; Cook Co. (Baker, Jensen)

;

Northern Illinois; Fox River (Calkins) ; Fox River, Dundee,

Kane Co. (Engleholm, Nason) ; Hickory Creek, Will Co. (Fer-

riss) ; Du Page and Kankakee rivers (Handwerk) ; Illinois

River (Handwerk, Strode) ; Mackinaw River, Kappa, Woodford
Co. (Hart) ; Winnebago Co. (Hinkley) ; La Salle Co. (Huett)

;

Spoon River (Kelly, Strode) ; Mercer Co., Mississippi River

*Symphynota negleda Lea is reported from Fulton Co. by Wolf (Am. Journ. Conch.,

VI., p. 29), but the record must rest upon a misidentification, as this species is

confined to northern Alabama. {Vide Simpson, Synopsis, p. 664.)



75

(Marsh) ; Fox River, Algonquin, McHenry Co; Athens, Menard
Co. (Nason); Southern Illinois (Ulffers) ; Fulton Co. (Wolf);

Havana, Mason Co. (State Laboratory).

Subgenus Pterosygna Rafinesque.

Symphynota complanata Barnes.

Savanna, Carroll Co. (Baker) ; Cook Co. (Baker, Calkins, Jen-

sen); Northern Illinois (Calkins); Peoria, Peoria Co. (Cham-
berlain) ; Mazon Creek, Grundy Co. (Dilg) ; Hickory Creek,

Will Co. (Ferriss, Handwerk) ; Starved Rock, La Salle Co.

Illinois River (Handwerk) ; Kappa, Woodford Co. (Hart) ; Mis-

sissippi River, Quincy, Adams C-o. (Hart, Nason); Winnebago
Co. ; Kaskaskia, Big Muddy, and LittleWabash rivers (Hinkley)

;

Spoon River; Illinois River (Kelly, Strode) ; Mercer Co., Missis-

sippi River (Marsh); Athens, Menard Co. (Nason); Southern

Illinois (UlfFers); Fulton Co. (Wolf); Havana, Mason Co.

(State Laboratory).

Genus Alasmidonta Say.

Subgenus Fressodonta Simpson.*

Alasmidonta calceola Lea, (= deltoidea Lea).

Cook Co. (Baker, Jensen, Lyon) ; Northern Illinois (Calkins)

;

Hickory Creek, Joliet, Will Co. (Ferriss, Handwerk) ; Mack-

inaw River, Kappa, Woodford Co. (Hart); Kishwaukee River

and Kent's Creek (Hinkley) ; La Salle Co. (Huett) ; Mercer Co.,

Edwards Creek, Wabash River (Marsh) ; Algonquin, McHenry
Co; Athens, Menard Co. (Nason); Spoon River (Strode); Ful-

ton Co. (Wolf).

Subgenus Rugifera Simpson.

Alasmidonta marginata Say.

Cook Co. (Baker, Higley); Northern Illinois; Fox River

(Calkins); Hickory Creek, Will Co. (Ferriss, Handwerk) ; Illi-

nois River (Handwerk); Mackinaw River, Kappa, Woodford

Co. (Hart) ; Winnebago Co. (Hinkley) ; Mercer Co., Mississippi

River (Marsh) ; Athens, Menard Co. (Nason) ; Fox River, Hun-

dee, Kane Co. (Nason, Swick) ; Spoon River (Strode); Ful-

ton Co. (Wolf) ; Havana, Mason Co. (State Laboratory).

*AIas>ni<Ioiita heterodoit Lea is reported from .Southern Illinois by Ulifers. As this

species is confined to the Atlantic states from Maine to Virginia, this reference

must rest upon a misidentification.



76

Genus Hemilastena (Agassiz) Simpson.

Hernilastena ambigxLa Say { = hildrethiana Lea).

Cook Co. (Baker); Kankakee River, V/ilmington, Will Co.

(Ferriss, Handwerk); Hickory Creek, Will Co. (Handwerk);
Wabash River; Mercer Co. (Marsh) ; Spoon River (Strode).

Genus Margaritana Schumacher,

Margaritana margaritifera Linne.

Illinois River (Calkins).

Margaritana monodonta Say {= soleniformis Lea).

Northern Illinois (Calkins) ; Mercer Co. (Call, Marsh); Kan-
kakee River (Ferriss, Handwerk) ; Mississippi River, Quincy,

Adams Co. (Hart); Mississippi River (Marsh) ; Southern Illi-

nois (Ulffers) ; Fulton Co. (Wolf) ; Havana, Mason Co. (State

Laboratory).

Genus Unio Retzius.*

Section Elliptio Rafinesque.

Unio gibhosits Barnes (= arctior hea,).

Oregon, Ogle Co.; Savanna, Carroll Co. (Baker) ; Cook Co.

(Baker, Calkins, Higley, Nason); Northern Illinois (Calkins)

;

Kankakee River (Ferriss, Handwerk) ; Illinois and Du
Page rivers (Handwerk) ; Mississippi River, Quincy,
Adams Co. (Hart) ; Winnebago Co. ; Wabash and Ohio
rivers (Hinkley) ; La Salle Co. (Huett) ; Mercer Co.; Mississip-

pi and Wabash rivers (Marsh) ; Fox River, Algonquin, McHen-
ry Co. ; Athens, Menard Co. (Nason) ; Fox River, Dundee, Kane

*Unio inflatus Lea (= Lampsihs alabamensis Conrad) is reported by Wolf from Fulton
Co. (Am. Journ. Conch., VI., p. 29). This record is erroneous, as the species is

confined to the Alabama and Tombigbee rivers.

Unio bullatus Rafinesque is reported by Ulffers from Southern Illinois. I do not know
what species this is intended for. Rafinesque described an Obliquaria hullata, but
it is absolutely indeterminate.

Unio torsus Rafinesque reported by UlflFers from Southern Illinois, is indeterminable.
Unio niger Conrad is reported from Southern Illinois by Ulffers. I know of no spe-

cies of that name. Unio mytUoides Rafinesque is also an indeterminable species.

(Ulffers, p. 610.

)

Unio scalenius Rafinesque is reported from Southern Illinois by Ulffers. There is no
scalenius of Rafinesque, and scalenius Say = Pleurobema decisa Lea, which is

confined to the Alabama and Tombigbee river systems.
Unio rubidimdus Say is reported by Ulfiers from Southern Illinois. There is no rubi-

dundus or rubimndus described by Say.



77

Co. (Nason, Swick) ; Spoon and Illinois rivers (Strode) ; South-

ern Illinois (Ulffers); Fulton Co. (Wolf); Havana, Mason Co.

(State Laboratory).

Unio gihhosus dellcatiis Simpson.

Cook Co. (Baker) ; Kent's Creek (Hinkley) ; Dundee, Kane
Co. (Swick).

Unio crassidens Lea.

Savanna, Carroll Co. (Baker); Northern Illinois (('alkins);

Illinois River, Utica, La Salle Co. (Ferriss) ; Kaskaskia and
Wabash rivers (Hinkley) ; La Salle Co. (Huett); Mercer Co.,

Mississippi River (Marsh); Mt C-armel, Wabash Co. (Nelson);

Spoon River (Strode) ; Fulton Co. (Wolf).

Section Uniomerus Conrad.

Unio tetralasmus Say {=Ja/nes{anus Lea.).

Washington and Perr}'^ counties, in creeks and ponds (Hink-

ley) ; Big Muddy River (Marsh) ; Phelps Lake, Fulton Co. ; Sid-

ney and Urbana, Champaign Co. (State Laboratory).

Unio tetralasf/iKs camptodon Say.

Du Bois, Washington Co., in pond (Hinkley); Albion, Ed-

wards Co. (Jensen).

Genus Pleurobema (Rafinesque) Agassiz.*

Pleurohema clava Lamarck.

Wabash River (Hinkley, Marsh).

Section I'lethohams Simpson.

Pleurohenia (vsopus Green.

Savanna, Carroll Co. (Baker); Northern Illinois (Calkins);

Fox River, Dundee, Kane Co. (Connor) ; Kankakee River (Fer-

riss, Handwork) ; Mississippi River, Quincy, Adams Co. (Hart)

;

Green, Kaskaskia, Wabash, and Rock rivers (Hinkley); La

Salle Co. (Huett) ; Mercer Co., Mississippi River (Marsh)
;

Athens, Menard Co. (Nason) ; Mt. Carmel, Wabash Vo. (Nel-

son) ; Spoon River (Strode) ; Southern Illinois (Ultiers); Ful-

ton Co. (Wolf) ; Illinois River, Havana, Mason Co. (State Lab-

oratory )

.

* Pleurobema cor Conrad is reported from Southern Illinois by Ulffers,—a misidentifi-

cation, as the species is confined to the Alabama River system of Alabama and the

Flint River of Georgia,



78

Pleurohema cicatricosa Say (= varicosa Say).

Ohio River (Marsh) ; Southern Illinois (Ulffers).

TETRAGENEiE.

Genus Quadrula (Rafinesque) Agassiz,

Section Crcnodonta Schliiter.

Quadrula plicata Say.

Cook Co. ; Savanna, Carroll Co. (Baker) ; Northern Illinois

(Calkins); Kankakee River (Ferriss, Handwerk) ; Desplaines

River (Handwerk) ; Illinois River (Handwerk, Kelly, Strode)
;

Quincy, Adams Co. (Hart); all rivers visited (Hinkley) ; La
Salle Co. (Huett) ; Spoon River (Kelly, Strode) ; Mississippi

River, Mercer Co. (Marsh)
;
Quincy, Adams Co. ; Athens, Me-

nard Co. (Nason) ; Southern Illinois (UlfFers); Fulton Co.

(Wolf) ; Havana, Mason Co. (State Laboratory).

Quadrula undulata Barnes.

Oregon, Ogle Co.; Cook Co. (Baker); Savanna, Carroll Co.

(Baker, Jensen); Northern Illinois; Vermilion and Illinois

rivers (Calkins, Handwerk) ; Peoria, Peoria Co. (Chamberlain)
;

Kankakee River (Ferriss, Handwerk) ; Starved Rock, La Salle

Co. (Handwerk) ; Mackinaw River, Kappa, Woodford Co.

(Hart) ; Winnebago Co. ; Big Muddy, Little Muddy, and Saline

rivers (Hinkley); La Salle Co. (Huett); Desplaines River

(Lyon); Mercer Co., Edwards Creek (Marsh); Fox River, Al-

gonquin, McHenry Co. (Nason) ; Fox River, Dundee, Kane Co.

(Nason, Swick) ; Spoon River (Strode) ; Fulton Co. (Wolf).

Quadrula Jieros Say (= multiplicata Lea).

Savanna, Carroll Co. (Baker); Northern Illinois (Calkins);

Illinois River (Calkins, Handwerk, Kelly, Strode) ; Utica,

La Salle Co., in canal (Ferriss) ; Ottawa, La Salle Co. (Hand-
werk) ; Mississippi River, Quincy, Adams Co. (Hart, Nason)

;

Kaskaskia, Wabash, Little Wabash, and Big Muddy rivers

(Hinkley) ; La Salle Co. (Huett) ; Spoon River (Kelly, Strode) ;

Drury Creek (Lyon) ; Mercer Co., Mississippi River (Marsh)

;

Athens, Menard Co. (Nason) ; Southern Illinois (Ulffers) ; Ful-

ton Co. (Wolf) ; Havana, Mason Co. (State Laboratory).

Qtiadrula trapezoides Lea {= interruptus Say).

Southern Illinois (Ulffers). This is a doubtful record and
should be substantiated.



79

Section (Jii(t(h-vJ<( (Rafinesque) Agassiz.

Quadrula cylhidrica Say.

Shawneetown, Gallatin Co. (Fischer) ; Ohio River, Golconda,

Pope Co. (Hart); Wabash River (IJinkley); Little Vermilion

River (Marsh); Mt. Carniel, Wabash C-o. (Nelson); Southern
Illinois (Ulilers).

Quadrula inetanevra Rafinesque.

Savanna, Carroll Co. (Baker); Northern Illinois ( Calkins)
;

Illinois River (Calkins, Handwerk, Kelly) ; Kankakee River

(Ferriss, Handwerk); Quincy, Adams Co. (Hart, Nason) ; Kas-

kaskia, Wabash, and Ohio rivers (Hinkley); La Salle Co.

(Huett); Mercer Co., Mississippi River (Marsh) ; Athens, Me-
nard C^o. (Nason); Spoon River (Strode); Southern Illinois

(Ultfers); Fulton C-o. (Wolf); Havana, Mason Co. (State Lab-

oratory).

Quadrula metanevra wardii Lea.

Illinois River (Handwerk, Marsh).

Section Theliderma (Swainson) Simpson.

Quadrula lachrymosa Lea (= quadrula Say, asperimus Lea).

Savanna, Carroll Co. (Baker) ; C^ook Co. (Baker, Jensen)
;

Kankakee River (Ferriss, Handwerk); Shawneetown, Gallatin

Co. (Fischer); Illinois River (Handwerk, Strode); Quincy,

Adams Co. (Hart, Nason) ; Kaskaskia, Big Muddy, Little Wa-
bash, Ohio, and Fecatonica rivers (Hinkley) ; Spoon River

(Kelly, Strode) ; Mississippi River, Mercer Co. (Marsh) ; Athens,

Menard Co. (Nason) ; Southern Illinois (UlfFers); Fulton Co.

(Wolf); Havana, Mason Co.; Peoria, Peoria Co. (State Labora-

tory).

Quadrula lachrymosa lunulata Pratt.

Mississippi River (Marsh).

Quadrula fragosa Conrad.

Illinois River (Ferriss, Marsh); Kaskaskia River (Hinkley);

Athens, Menard Co. ( Nason ) ; Spoon River ( Strode ) ; Fulton

Co. (Wolf).

Quad^'ula pustulosahea, {= dorfeuilliaiia Lea,, schoolcrafte?isis Lea).

Oregon, Ogle Co. ; Savanna, Carroll Co. (Baker); Cook Co.

(Baker, Calkins, Jensen) ; Northern Illinois; Rock River (Calk-

ins) ; Kane Co. (Connor); La Salle Co, (Derr, Huett); Kan-
kakee River (Ferriss, Handwerk) ; Illinois River (Handwerk)

;



80

Mississippi River, Quincy, Adams Co. (Hart); all rivers visited

(Hinkley); Spoon River; Illinois River (Kelly, Strode); Mer-

cer Co., Edwards (^reek ; Mississippi and Illinois rivers (Marsh)
;

Fox River, Algonquin, McHenry Co. ;
Quincy, Adams Co.

;

Athens, Menard Co. (Nason) ; Mt. Carmel, Wabash Co. (Nel-

son) ; Fulton Co. (Wolf) ; Meredosia, Morgan Co. (Woodruff)

;

Havana, Mason Co. (State Laboratory).

Quadrula pustulata Lea.

Savanna, Carroll Co. (Baker) ; Northern Hlinois (Calkins)

;

Utica, La Salle Co. (Ferriss); Shawneetown, Gallatin Co.

(Fischer) ; Kaskaskia, Wabash, and Ohio rivers (Hinkley) ; Mis-

sissippi River, Quincy, Adams Co. (Hart) ; La Salle Co. (Huett)

;

Illinois and Spoon rivers (Kelly, Strode) ; Mississippi River,

Mercer Co. (Marsh); Athens, Menard Co. (Nason) ; Fulton Co.

(Wolf) ; Havana, Mason Co. (State Laboratory).

Reported from Chicago by Calkins, but no sj)ecimens have been

seen from this area.

Quadrula cooperiana Lea.

Wabash River (Hinkley); Ohio River (Marsh); Fulton Co.

(Wolf).

Quadrula Tuhigmosa Lea {=ilava Conrad).

Cook Co. (Baker, Calkins, Jensen, Lyon) ; Northern Illinois;

Illinois River (Calkins) ; Kankakee River (Ferriss, Handvi'erk)

;

Mackinaw River, Kappa, Woodford Co. (Hart) ; Kishwaukee,

Rock, and Pecatonica rivers (Hinkley) ; La Salle Co. (Huett)

;

Spoon River (Kelly, Strode) ; Mercer Co., Edwards Creek; Kan-
kakee River (Marsh); Algonquin, McHenry Co. (Nason); Ful-

ton Co. (Wolf) ; Havana, Mason Co. (State Laboratory).

Quadrula trigona Lea.

Oregon, Ogle Co; Savanna, Carroll Co. (Baker); Cook Co.

(Baker, Derr, Jensen) ; Northern Illinois (Calkins); Kane Co.

(Engleholm); Kankakee River (Ferriss, Handwerk)
;
Quincy,

Adams Co. (Hart, Nason) ; all rivers visited (Hinkley) ; La
Salle Co. (Huett); Illinois and Spoon rivers (Kelly, Strode);

Mercer Co., Mississippi River (Marsh); Athens, Menard Co.

(Nason); Fulton Co. (Wolf); Havana, Mason Co. (State Lab-

oratory).

Quadrula ohliqua Lamarck.
Savanna, Carroll Co. (Baker) ; Northern Illinois and Missis-



81

sippi River (Calkins); Wabash and Ohio rivers (Hinkley) ; La
Salle Co. (Huett); Ohio River (Marsh); Spoon and Illinois

rivers (Strode).

Quadrula coccuiea (bnrad {= catlllus C-onrad).

Cook Co. (Baker, Jensen) ; Northern Illinois (Calkins); Fox
and Du Page rivers (Ferriss) ; Illinois, Du Page, and Kankakee
rivers and Lilycash Creek, Will Co. (Handwerk) ; Kishwaukee,
Rock, and Pecatonica rivers (Hinkley) ; La Salle Co. (Huett)

;

Mercer Co., Illinois River (Marsh); Fox River, Dundee, Kane
Co.; Algonquin, McHenry Co. (Nason); Mt. Carmel, Wabash
Co. (Nelson); Spoon River (Strode); Fulton Co. (Wolf).

Quadrula solida Lea, (= fulgidus Lea).

Northern Illinois (Calkins); Illinois River (Calkins, Hand-
werk, Strode) ; Kankakee River (Ferriss, Handwerk, Marsh)

;

Kishwaukee and Pecatonica rivers (Hinkley); La Salle Co.

(Huett); Mercer (^o., Mississippi River (Marsh); Quincy, Ad-
ams Co. (Nason); Si3oon River (Strode); Fulton Co. (Wolf);

Milan, Rock Island Co. (State Laboratory).

Quadrula plena Lea.

Wabash River (Hinkley, Marsh).

Quadrula pyramfiidata Lea.

Little Wabash River (Hinkley) ; Ohio River (Marsh) ; Athens,

Menard Co. (Nason) ; Spoon and Illinois rivers (Strode) ; South-

ern Illinois (Ulffers).

Quadrula suhrotunda Lea.

Illinois River (Call); Ohio River (Marsh).

Quadrula ebena Lea.

Oregon, Ogle Co; Savanna, Carroll Co. (Baker); Northern

Illinois (Calkins); Moline, Rock Island Co. (Call); Illinois Riv-

er, Utica, La Salle Co. (Ferriss, Handwerk); Shawneetown,

Gallatin Co. (Fischer); Quincy, Adams Co. (Hart, Nason);

Ohio, Wabash, and Little Wabash rivers (Hinkley); La Salle

Co. (Huett) ; Illinois and Spoon rivers (Kelly, Strode) ; Mercer

Co., Mississippi River (Marsh); Southern Illinois (Ulffers);

Fulton Co. (Wolf) ; Havana, Mason Co. (State Laboratory).

Subgenus Rotimdaria (Rafinesque) Simpson.

Quadrula tuherculata Rafinesque { = verrucosa Barnes).

Savanna, Carroll Co. (Baker); Cook Co. (Baker, Calkins,



82

Higley) ; Northern Illinois (Calkins ) ; Illinois River (Calkins,

Handwerk, Marsh, Strode) ; Kane Co. (Engleholm) ; Kankakee
River (Ferriss, Handwerk) ; Mississippi River, Quincy, Adams
Co. (Hart) ; La Salle Co. (Huett) ; Spoon River (Kelly, Strode)

;

Rock River (Kelly, Wiswall) ; Athens, Menard Co. (Nason)

;

Southern Illinois (Ulffers).

Quadrtila granifera Lea.

Oregon, Ogle Co. (Baker) ; Mercer Co. (Ferriss, Marsh) ; Wa-
bash and Little Wabash rivers (Hinkley) ; Rock River (Hink-

ley, Wiswall); Illinois River (Kelly); Mississippi River

(Marsh); Spoon River (Strode); Desplaines River, Cook Co.

(Zetek); Havana, Mason Co. (State Laboratory).

Order TELEODESMACEA.

Superfamily Cyrenacea.

Family SPH^RIID^.

Genus Sph^rium Scopoli.*

SphcBrium vermontanum Prime.
Cook Co. (Baker, Lyon) ; Hickory Creek, Will Co. (Ferriss)

;

Canton, Fulton Co. (Nason) ; Lake Michigan, Chicago, Cook Co.

(State Laboratory).

Sphcerium solidulum Prime.

Quincy, Adams Co. (Garman); Hardin Co. (Hinkley); Mer-

cer Co.; White Co. (Marsh); Fulton Co. (Wolf); Lake Michi-

gan, Chicago, Cook Co. (State Laboratory).

Sphoirium stamineum Conrad.

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. (State Laboratory).

Sphierium stamineuni forhesl Baker.

Thompson's Lake, Fulton Co. ; Matanzas Lake, Havana,
Mason Co.; Little Fox River, White Co. (State Laboratory).

Sphcerium striatinuni Lamarck.

Cook Co. (Baker, Calkins, Higley, Nason); Joliet, Will Co.

(Baker, Ferriss, Handwerk) ; Northern Illinois (Calkins) ; Stark

Co. (Chase) ; Hickory Creek, Will Co. (Ferriss) ; Lilycash Creek,

Will Co. (Handwerk); Quincy, Adams Co.; Kappa, Woodford
Co. (Hart); Winnebago Co.; Big Muddy, Little Muddy, Wa-
bash, and Ohio rivers, (Hinkley); La Salle Co. (Huett);

Union Co. (Lyon) ; Mercer Co. ; McLean Co. (Marsh) ; Illinois

River and Quiver Lake, Havana, Mason Co. ; Milan, Rock Island

Co. ; Urbana, C'hami^aign Co. ; Panola, Woodford Co. ; Fulton

Co. ; Grand Pierre Creek, Herod, Pope Co. ; Peoria, Peoria Co.

;

Long and Cedar lakes. Lake Co. ; Chicago, Lake Michigan, Cook

Co.; Kickapoo Creek, Coles Co. ; Swanwick Creek, Perry Co.;

Henderson Creek, Biggsville, Henderson Co. (State Laboratory).

SpJuerium simile Say {= sulcatuin Lamarck).

Cook Co. (Baker, Calkins) ; Northern Illinois (Calkins) ; Kan-

kakee River (Ferriss) ; Lilycash Creek, Will Co. (Handwerk)

;

Winnebago Co. (Hinkley); La Salle Co. (Huett) ; Mercer,

McLean, and Edgar counties (Marsh) ; Elmhurst, Du Page Co.

;

Elgin, Kane Co. ; Algonquin, McHenry (/O. ; Rock River

(Nason) ; Southern Illinois ( Ulffers) ; Sand, Clear, Fox, Pistakee,

and Cedar lakes, Lake Co. ; Lake Michigan, Chicago, Lake Co.

;

Warsaw, Hancock Co. (State Laboratory).

SphiBvium lilycashense Baker.

Lilycash Creek, .Joliet, Will Co. (Baker, Ferriss, Handwerk).

Sphcerium fahale Prime.

Cook Co. (Baker, State Laboratory); Kankakee Feeder (Fer-

riss); Illinois (Prime).

Sphoifium OGcidentale Prime.

Cook Co. (Baker, Higley, Jensen); Northern Illinois (Calk-

ins); Joliet, Will Co. (Ferriss, Llandwerk); Winnebago Co.

and Little Muddy Creek (Hinkley); La Salle Co. (Huett)

;

Bush Park, Mercer Co. (Marsh); Fulton Co. (Wolf); Pistakee

Lake, Lake Co. (State Laboratory).



84

SphcBvium rhomhoideum Prime.

Winnebago Co. ( Hinkley, Marsh) ; Athens, Menard Co. (Na-

son) ; Sand and Fourth lakes, Lake Co. (State Laboratory).

Genus Musculium Link, 1807.

(= CalyGulina GleB&m, 1872.)

Musculium transversum. Say.

Cook Co. (Baker, Calkins); Northern Illinois (Calkins);

Hickory Creek, Will Co. (Ferriss) ; Joliet, Will Co. (Ferriss,

Handwerk) ; Quincy, Adams Co. (Garman, Hart); Desplaines

River (Handwork) ; Winnebago Co.; Big and Little Muddy,
Wabash, Ohio, and Saline rivers (Hinkley); Mercer Co.

(Marsh); Athens, Menard Co. (Nason) ; Fulton Co. (Wolf);

Spring Bay, Peoria, Peoria Co.
;
Quiver and Matanzas lakes,

and Illinois River, Havana, Mason Co. ; Thompson's Lake, Ful-

ton Co. ; Sidney and Urbana, Champaign Co. ; Bernadotte,

Spoon River, Fulton Co. ; Pekin Lake, Tazewell Co.
;
Quincy,

Adams Co. (State Laboratory).

Musculuim truncatuiR Linsley.

Cook Co. (Baker, Jensen); Joliet, Desplaines River, Will

Co. (Ferriss, Handwerk); Kappa, Woodford Co. (Hart); Mer-

cer Co. (Marsh); Athens, Menard Co.; Canton, Fulton Co.

(Nason)
;
Quincy, Adams Co. (Oakes) ; Urbana, Champaign Co.

;

FoXj Cedar, and Clear lakes, Lake Co. ; Phelps Lake, Fulton

Co.; Havana and Quiver Lake, Mason Co. (State Laboratory).

Musculiu7n partumeiuin Say.

Cook Co. (Baker, Calkins) ; Northern Illinois (Calkins) ; Rock
Run, Joliet, Will Co. (Ferriss) ; La Salle Co. (Huett) ; Crystal

Lake, McHenry Co. (Lyon) ; Eastern Illinois (Marsh) ; Athens,

Menard Co. (Nason) ; Du Page Co. (Woodruff) ; Illinois River,

Havana, Mason Co. ; Cedar Lake, Lake Co. ; ditch, Urbana,

Champaign Co. (State Laboratory).

Musculium hodgsoni Sterki.

Albion, Edwards Co. (Sterki).

Musculium elevatum Haldeman.
Big Muddy River (Hinkley). This species is typically of

southern distribution (Florida and Alabama), and the present

record extends its range considerably to the north.



85

Muscidium sphcericuvi Anthony.

Mississippi River (Marsh) ; Canton, Fulton Co. (Nason) ; Ful-

ton Co. (Wolf).

MusGuliwni secure Prime.

Rock Run, Joliet, Will Co.(Ferriss) ; Cook Co. (Jensen) ; Sand
and Cedar lakes, Lake Co. (State Laboratory).

Muscidium Tosaceuni Prime.

Fulton Co. (Wolf). A somewhat doubtful record, as this

species is an eastern one.

Musculium jayanum Prime (=,;V/yewsi« Prime).

Winnebago Co. (Hinkley); Mercer Co. (Marsh); Havana,

Mason Co. (State Laboratory).

Genus Corneocyclas Ferussac, 1818.

( =: Pisidiimi, Pfeiffer, 1824.

)

Corneocyclas abdita Haldeman.
Cook Co. (Baker, Calkins, Higley, Nason) ; Northern Illinois

(Calkins) ; Kankakee River (Ferriss) ; Joliet, Will Co. (Fer-

riss, Handwerk); Lilycash Creek, Will Co. (Handwerk) ; Win-
nebago Co. (Hinkley, Marsh); La Salle Co. (Huett); Canton,

Fulton Co. (Nason)
;
Quiver and Matanzas lakes, and Illinois

River, Havana, Mason Co. ; Pistakee, Sand, and Cedar lakes,

Lake Co. ; Thompson's Lake, Fulton Co. ; Grand Pierre Creek,

Herod, Pope Co. ; Lake Michigan, Cook Co. (State Laboratory).

Corneocyclas ahyssorum (Stimpson) Sterki.

Off Racine, Wisconsin, in deep water, dredged by George L.

Marston (Hoy, Sterki).

As this species probably inhabits that part of Lake Michigan

bordering on Illinois, it is included in this list.

Corneocyclas cequilateralis Prime.

Mercer Co. (Marsh) ; Havana, Mason Co. ; Thompson's Lake,

Fulton Co. (State Laboratory).

Corneocyclas aMnis Sterki.

Winnebago Co. (Hinkley) ; Illinois (Sterki).

Corneocyclas conipressa Prime.

Cook Co. (Baker, Calkins, Higley, Jensen) ; Northern Illinois

(Calkins) ; Joliet, Will Co. (Ferriss, Handwerk) ; Lilycash Creek,

Will Co. (Handwerk) ; Winnebago Co. and Big Muddy River,

(Hinkley) ; La Salle Co. (Huett) ; Mercer Co. (Marsh) ; Canton,



86

Fulton Co. (Nason) ; Matanzas and Quiver lakes, and Illinois

River, Havana, Mason Co. ; Pistakee, Cedar, Fourth, Loon, Fox,

and Sand lakes, Lake Co. ; Lake Michigan, Cook Co. ; Thompson's

Lake, Fulton Co.
;
Quincy, Adams Co. ; Grand Pierre Creek,

Herod, Pope Co.; Towanda, McLean Co (State Laboratory).

Corneocyclas compressa Icevigata Sterki.

Cedar and Fox lakes and between Loon and Cedar lakes. Lake

Co. (State Laboratory).

Corneocyclas compressa rostrata Sterki.

Lake Michigan, Cook Co. (State Laboratory).

Several specimens are provisionally referred to this variety

by Dr. Sterki.

Corneocyclas cruciata Sterki.

Lilycash Greek, Will Co. (Handwerk) ; Joliet, Will Co.

(Handwerk,. Sterki).

Corneocyclas fallax Sterki.

Lilycash Creek, Joliet, Will Co. (Ferriss, Handwerk).

Corneocyclas handwerki Sterki.

Lilycash Creek, Will Co. (Handwerk).

Corneocyclas idahoensis Roper.

Lake Michigan, Cook Co. (Daniels).

Corneocyclas pauperculata crystalensls Sterki.

Sand Lake, Lake Co. (State Laboratory).

Corneocyclas mediana Sterki.

Pistakee Lake, Lake Co. (State Laboratory).

Corneocyclas tenuissima Sterki.

Long Lake, Lake Co. (State Laboratory).

Corneocyclas kirklandi Sterki.

Cook Co. (Baker).

Corneocyclas noveboracensis Prime.
Northern Hlinois (Marsh) ; Cedar and Pistakee lakes. Lake

Co. (State Laboratory).

Corneocyclas noveboracensis elevata Sterki.

Joliet, Will Co. (Ferriss, Handwerk).

Corneocyclas peralata Sterki.

Elizabethtown, Hardin Co. (Hinkley); Havana, Mason Co.

(Sterki) ; Fox Lake, Lake Co. ; Lake Michigan, Cook Co. (State
Laboratory).



87

Corneocyclas polita Sterki.

Joliet, Will Co. (Handwerk) ; Illinois River, Havana, Mason
Co. (State Laboratory).

Corneocyclas punctata Sterki.

Lilycash Creek, Will Co. (Handwerk).

Corneocyclas punctata slinple.i' Sterki.

Joliet, Will Co. (Ferriss, Handwerk).

Corneocyclas roperi Sterki.

Joliet, Will Co. (Handwerk, Sterki).

Corneocyclas rotundata Prime.

Northern Illinois (Marsh).

Corneocyclas sargenti Sterki.

Illinois (Sterki) ; Cedar Lake, Lake Co. (State Laboratory).

Corneocyclas scutellata Sterki.

Lake Michigan, near Chicago, Cook Co. (Baker); Huntley,

McHenry Co. (Ferriss); Joliet, Will Co. (Handwerk); Foxand
Pistakee lakes. Lake Co. ; Lake Michigan, Cook (Jo. (State Lab-

oratory).

Corneocyclas splendidula Sterki.

Lilycash Creek, Will Co. (Handwerk) ; Sand and Cedar lakesj

Lake Co. (State Laboratory).

Corneocyclas variabilis Prime.

Lake Michigan, Cook Co. (Baker) ; Cook Co. (Baker, Jensen)

;

Kankakee River (Ferriss); Du Page River (Gault) ; Lily-

cash Creek, Joliet, Will Co. (Handwerk); Winnebago Co.

(Hinkley); Mercer Co. (Marsh); Canton, Fulton Co. (Nason);

Fulton Co. (Wolf); Pistakee, Sand, Cedar, and Fox lakes,

Lake Co.
;
Quiver Lake, and Illinois River, Havana, Mason Co.

;

Thompson's Lake, Fulton Co. (State Laboratory).

Corneocyclas virginica Gmelin.

Cook Co. (Baker) ; Kankakee River (Ferriss); Joliet, Will

Co. (Ferriss, Handwerk) ; Lilycash Creek, Will Co. (Hand-

werk) ; Little Wabash River (Hinkley); Winnebago Co.

(Marsh).

Corneocyclas walkeri Sterki.

Joliet, Will Co.; Du Page River (Ferriss) ; Lilycash Creek,

Will Co. (Handwerk).



88

Class GASTROPODA.

Subclass Anisopleura.

Order PROSOBRANCHIATA.

Superfamily Rhipidoglossa.

Family HELIOINIDtE.

Genus Helicina Lamarck.

Helicina occulta Lamarck.

Athens, Menard Co. (Pilsbry); Moline, Rock Island Co.

(Shimek).

Superfamily T^nioglossa.

Family VIVIPARID^.

Genus Vivipara Lamarck.

Vivipara contectoides W. G. Binney.

Cook Co. (Baker, Calkins, Jensen,Nason, Woodruff) ; Northern

Illinois (Calkins) ; Desplaines River (Ferriss) ; Romeo, Will

Co.; Kankakee and Illinois rivers (Handwerk)
;
Quincy,

Adams Co. (Hart) ; White Co. (Hinkley) ; La Salle Co. (Huett)

;

Mercer Co. ; Henderson Co. (Marsh) ; Mississippi River, Quincy,

Adams Co. ; Illinois River (Nason); Thompson's Lake, Fulton

Co. (Strode) ; Fulton Co. (Wolf) ;
Quiver Lake, and Illinois

River, Havana, Mason Co. ; Peoria, Peoria Co. ; Warsaw, Han-

cock Co. ; Pekin Lake, Tazewell Co. ; Fulton Co. (State Labo-

ratory).

Vivipara suhpurpurea Say.

Northern Illinois (Calkins) ; Rock Island (Call) ; Mt. Carmel,

Wabash Co. (Daniels) ; Utica, in canal, La Salle Co. (Ferriss)

;

Quincy, Adams Co. (Garman, Hart) ; Little Wabash, Saline,

and Big Muddy rivers (Hinkley) ; La Salle Co. (Huett) ; Pulaski

Co. (Lyon) ; Mercer Co. (Marsh) ; Mississippi River, Quincy,

Adams Co. (Nason); Southern Illinois (Differs, a,s vivipara)

;

Fulton Co. (Wolf) ; Matanzas Lake and Illinois River, Havana,

Mason Co. ; Peoria, Peoria Co. ; Pekin Lake, Tazewell Co.

;

Thompson's Lake, Fulton Co. (State Laboratory).



89

Vivipara suhpuvpurea texana Tryon.

A specimen of this variety is in the collection of the Chicago
Academy of Sciences labeled "Illinois" and presented by Mr.
W. W. Calkins. The reference seems doul)tful.

Vivipara intertexta Say.

Savanna, Carroll Co. (Baker) ; Northern and Southern Illinois

(Calkins) ; Mt. Carmel, Wabash Co. (Call, Daniels) ; Putnam
Co. (Ferriss) ; Qiiincy, Adams (-o. (Garman, Hart) ; Winnebago
Co. (Hinkley) ; Mercer Co. (Marsh) ; Canton, Fulton Co. (Nason,

Wolf) ; Thompson's Lake, Fulton Co. (Strode) ; Cypress Swamp,
Johnson Co. ; Havana, Mason Co. ; Flag Lake, Fulton Co. (State

Laboratory).

Genus Lioplax Troschel.

Lioplax suhcarinata Say.

Northern Illinois; Illinois River (Calkins, Nason) ; Kankakee
Kiver (Ferriss) ; Mississippi Kiver, Quincy, Adams Co. (Garman,
Hart, Nason) ; all rivers visited (Hinkley) ; La Salle Co.

(Huett) ; Pulaski Co. (Lyon) ; Mercer Co. (Marsh) ; Canton,

Fulton Co. (Nason); Quincy, Adams Co.; Pekin Lake, Taze-

well Co. ; Peoria, Peoria Co. ; Matanzas Lake and Illinois River,

Mason Co. ; Little Fox River, Phillipstown, White Co. ; Fulton

Co.; Franklin Co. (State Laboratory).

Genus Campeloma Rafinesque.

Carapeloma ponderosum Say.

Illinois River (Calkins, Rea) ; Wabash and Ohio rivers (Hink-

ley) ; Ohio River (Marsh) ; Southern Illinois (Ulffers) ; Chicago,

Cook Co. (Velie).

Conrad says of this shell (New Fresh-water Shells, p. 12):

"A common inhabitant of all the rivers of the west, from the

northern districts of Illinois and Indiana to the waters of the

Tennessee Valley." The Chicago record rests upon a number
of specimens said to have been collected in Calumet River by

Dr. J. W. Velie. The specimens are true ponderosum and are

in the collection of the Chicago Academy of Sciences.

Campelovia coarctatum ? Lea.

Cache Creek, Pulaski Co. (Lyon). Specimens of a species of

Campeloma submitted to Mr. Bryant Walker, were thought by

him to be doubtfully this species.



90

Campeloma decisum Say.

Chicago, Cook Co. (Baker, Higley, Jensen, Woodruff) ; North-

ern Illinois (Binney, Calkins); Jerseyville, Jersey Co. ; Bata-

via, Kane Co. (Binney); Du Page River, (Ferriss)
;
Quincy,

Adams Co. (Carman) ; Joliet, Will Co. (Handwerk) ; all rivers

visited (Hinkley) ; La Salle Co. (Huett) ; Sangamon Co.

(Marsh); Elgin, Kane Co. ; Algonquin, McHenry Co. (Nason)

;

Quiver Lake, Havana, Mason Co.; Sand Lake, Lake Co. (State

Laboratory).

Campeloma integru7n De Kay.

Savanna, Carroll Co.; Oregon, Ogle Co. (Baker) ; Cook Co.

(Baker, Higley, Jensen, Lyon) ; Kane Co., Fox and Hlinois riv-

ers (Calkins) ; Du Page River (Ferriss) ; Joliet, Will Co. (Hand-

werk) ; Kappa, Woodford Co. (Hart) ; Hamilton Co. (Lyon);

Elgin, Kane Co. ; Algonquin, McHenry Co. (Nason)
;
Quincy,

Adams Co. ; Peoria, Peoria Co. ; Fox and Sand lakes, Lake Co.

;

Havana, Mason Co.; Milan, Rock Island Co.; Fulton Co. (State

Laboratory).

Campeloma integrum ohesum Lewis.

Fox and Illinois rivers (Calkins) ; Mercer Co. (John Henry)
;

Cook and Pulaski counties (Lyon) ; Winnebago Co. (Marsh)

;

Peoria, Peoria Co. ; Crooked Creek, Clinton Co.
;
Quincy, Ad-

ams Co. (State Laboratory).

Campeloma rufum Haldeman.
Cook Co. (Baker, Jensen, Lyon, Woodruff) ; Northern Illinois

(Calkins); Du Page River (Ferriss); Joliet, Will Co. (Hand-

werk) ; Kappa, Woodford Co. (Hart) ; Rockford, Winnebago
Co. (Hinkley); Mercer and Vermilion counties (Marsh); El-

gin, Kane Co.; Algonquin, McHenry Co. (Nason) ; Fulton Co.

(Wolf) ; Cedar Lake, Lake Co. ; Peoria, Peoria Co.; Pekin Lake,

Tazewell Co. ; Ohio River and Cache Creek, Pulaski Co. ; Clear

Lake, Cairo, Alexander Co. (State Laboratory).

Campeloma suhsolidum Anthony.
Savanna, Carroll Co. (Baker) ; Cook Co. (Baker, Calkins, Jen-

sen, Lyon) ; Northern Illinois; Illinois and Fox rivers (Calkins)

;

Grundy Co. (Daniels) ; Joliet, Will Co. (Handwerk) ;
Quincy,

Adams Co. (Hart) ; La Salle Co. (Huett) ; Union and Pulaski

counties (Lyon); Mercer Co. (Marsh); Elgin, Kane Co.; Al-

gonquin, McHenry Co. ; Athens, Menard Co. ;
Quincy, Adams



91

Co. (Nason); Fulton Co. (Wolf); Quiiicy, Adams Co.; Swan-
wick Creek, Perry Co. ; Fox, Clear, Sand, and Pistakee lakes,

Lake Co. ; Fulton Co. ; Meredosia, Morgan Co. ; Crab Orchard

Creek, "Williamson Co. ; Peoria, Peoria Co. ; Havana, Mason
Co. (State Laboratory).

Campelonia suhsolidum exilis Anthony.

Chicago, Cook Co. (Calkins, Higley) ; Northern Illinois (Calk-

ins) ; Mercer Co. (Marsh); Quincy, Adams Co. (Nason); Illi-

nois River (Walker) ; Fulton Co. (Wolf).

Call has recorded Campeloma milesi/' Lea from Mercer Co.,

but as no authentic milesii have as yet been found outside of

the state of Michigan this citation must be understood to mean
variety exilis.

Family VALVATIDyE.

Genus Valvata Miiller.

Valvata siiicera Say.

Although no authentic Illinois records of this species have

been seen, it is deemed best to include it in this list as it un-

doubtedly inhabits Northern Illinois.

Valvata lewisii Currier ( = sincera of authors, not of Say).

Cook Co. (Baker, Calkins, Jensen, Lyon, Nason) ; Northern

Illinois (Calkins) ; La Salle Co. (Huett) ; Jo Daviess Co.

(Marsh) ; Lake Michigan, Chicago, Cook Co. ; Long Lake,

Lake Co. (State Laboratory).

Valvata tricaTinata Say.

Cook Co. (Baker, Calkins, Nason) ; Northern Illinois (Calk-

ins) ; Desplaines River, Joliet, Will Co. (Ferriss)
;
Quincy,

Adams Co. (Garman) ; Rockford, Winnebago Co. (Hinkley)

;

La Salle Co. (Huett) ; Lake C'o. (Jensen) ; Crystal Lake, McHen-
ry Co. (Lyon) ; Mercer Co. (Marsh) ; Algonquin and Silver

Lake, McHenry Co. ; Athens, Menard Co. (Nason) ; Fulton Co.

Wolf)
;
Quiver Lake and Quiver Creek, Havana, Mason Co.

;

Cedar, Fourth, Sand, Fox, Long, and Pistakee lakes. Lake Co.

;

Thompson's Lake, Fulton Co. ; Lake Michigan, Chicago, Cook

Co. (State Laboratory).

Valvata tricarinata confusa Walker.

Joliet, Will Co. (Ferriss) ; Lake Co. (Jensen) ; Long Lake,

Lake Co. ; Havana, Mason Co. (State Laboratory).



Valvata Mcarinata Lea.

Desplaines Kiver ; Lake Michigan, Cook Co. (Baker); Rock

River (Ferriss) ; Joliet, Will Co. (Ferriss, Handwerk) ; Saline

River; Elizabethtown, Hardin Co. (Hinkley) ; Lake Co. (Jen-

sen) ; Mercer Co. (Marsh) ; Long, Sand, and Pistakee lakes,

Lake Co. ; Slough, Havana, Mason Co. (State Laboratory).

Valvata llcarinata perdepressa Walker.

Lake Michigan, Chicago, Cook Co. (Baker, Jensen, Lyon).

Valvata bicarinata normalis Walker.

Joliet, Will Co. (Ferriss) ; Willow Springs, Cook Co. (Hand-

werk)
;
Quincy, Adams Co. (Hart) ; Lake Co. (Jensen) ;

Crys-

tal Lake, McHenry Co. (Lyon) ; Cedar, Fox, Long, and Pistakee

lakes, Lake Co
;
Quiver and Matanzas lakes and Havana, Mason

Co.; McHenry Co; Fulton Co. (State Laboratory).

Family AMNICOLID^.

Subfamily BYTHINIINiE.

Genus Bythinia Gray.

Bythinia tentaculata Linne.

Cook Co. (Baker, Jensen, Lyon).

Subfamily HYDROBIINiE.

Genus Amnicola Gould and Haldeman.

Amnicola limosa Say.

Savanna, Carroll Co. (Baker, Nason) ; Cook Co. (Baker, Calk-

ins, Jensen, Lyon) ; Du Page River (Ferriss)
;
Quincy, Adams

Co. (Garman) ; Northern Illinois ; Mercer Co. (Marsh); Algon-

quin, McHenry Co. ; Elgin, Kane Co. (Nason) ; Fulton Co.

(Wolf) ; Cedar, Pistakee, Fox, Long, and Sand lakes, Lake Co.

;

Lake Michigan, Chicago, Cook Co. ; Clear and Quiver lakes, and

Hlinois River, Mason Co. ; Flag and Thompson's lakes, and Spoon

River, Fulton Co. (State Laboratory).

Amnicola limosa porata^^y (= orhiculata Lea).

Cook Co. (Baker, Lyon, Nason) ; Northern Illinois (Calkins)

;

Kankakee and Du Page rivers (Ferriss) ; La Salle Co. (Huett)

;

Macoupin and Mercer counties (Marsh) ;Canton, Fulton Co. ;Rock

Island, Rock Island Co. (Nason); Fulton Co. (Wolf); Lake

Michigan, Chicago, Cook Co. ; Fox Lake, Lake Co. ; Quiver Lake,

Havana, Mason Co. (State Laboratory).



93

Amnicola litnosa parva Lea.

Joliet, Will Co. (Ferriss, Handwerk) ; Cook Co. (Higley, Jen-

sen ) ; Seifert, Feny Co. (Hinkley) ; Salt ('reek, Cook (Jo. (Jen-

sen) ; Northern Illinois; Mercer Co. (Marsh); Fox River, Al-

gonquin, McHenry Co. (Nason) ; Pistakee, Cedar, Long, and

Fox lakes, Lake Co.; Quiver Lake, and Illinois River, Havana,

Mason Co. ; Thompson's and Flag lakes, Fulton Co. ; Drew Pond,

two miles from Wabash River, White C-o. ; Lake Michigan, Chi-

cago, Cook Co. ; Urbana, Champaign Co. (State Laboratory).

Amnicola llmosa pallida Haldeman.
Kankakee River (Ferriss) ; Silver Lake, McHenry Co. (Na-

son) ; Fox Lake, Lake Co. (State Laboratory).

Amnicola lustrica Pilsbry.

Cook Co. (Baker, Higley) ; Fox River (Calkins) ; Joliet, Will

Co. (Ferriss) ; Mason Co. (Hinkley) ; ( -rystal Lake, McHenry
Co. (Lyon); Silver Lake, Fox River, McHenry Co. (Nason);

Fox, Pistakee, Sand, Long, Cedar, and Slough lakes. Lake (;0.

;

Quiver and Matanzas lakes, and Illinois River, Havana, Mason

Co. ; Lake Michigan, Chicago, Cook Co. (State Labotatory).

Amnicola pilshn/i Walker.

Rockford, Winnebago Co. (Hinkley) : Winnebago Co. (Marsh ) ;

Sand and Fox lakes. Lake Co. (State Laboratory).

Amnicola u'alkeri Pilsbry.

Joliet, Will Co. (Ferriss) ; Fox River, Algonciuin, McHenry
Co. (Nason); Long Lake, Lake Co. (State Laboratory).

Amnicola deeisa Haldeman.
Fulton Co. (Wolf).

Subgenus Cincinnatia Pilsbry.

Amnicola Cincinnatiensis Lea {= sayana Anthony).

Cook Co. (Baker, Calkins, Jensen); Northern Illinois (Calk-

ins) ; Joliet, Will Co. ; Du Page River (Ferriss) ; Pecatonica

River, Winnebago Co.; Little Wabash River; Big and Little

Muddy rivers; Ohio River; Du Bois, Washington Co. ; Elizabeth-

town, Hardin Co.; Mason Co. (Hinkley); Peoria ('o. (Marsh);

Algonquin, McHenry Co. (Nason); Fulton Co. (Wolf); ('edar,

Pistakee, and Fourth lakes. Lake (>). ; (Quiver and Matanzas

lakes, and Illinois River, Havana, Mason Co. ; Lake Michigan,

Chicago, Cook Co. ; McHenry Co. ; Crystal Lake, Url)ana, Cham-



94

paign Co. ; Spoon River and Thompson's Lake, Fulton Co. (State

Laboratory).

Arnnicola emarginata Kiister {= ohtusa Lea).

Cook Co. (Baker, Calkins, Jensen) ; Ottawa, La Salle Co.
;

Northern Illinois; Kankakee River (Calkins); Kankakee River,

Utica, La Salle Co. (Ferriss) ; Mercer Co. (Marsh) ; Fulton Co.

(Wolf); Lake Michigan, Chicago, Cook Co.; Quiver and Ma-

tanzas lakes, and Illinois River, Havana, Mason Co. (State Lab-

oratory).

Genus Paludestrina Orbigny.

Paludestrhia nickliniana Lea.

Cook Co. (Baker, Higley) ; Fox River (Calkins) ; Evanston,

Cook Co. (Lyon).

Genus Somatogyrus Gill.

Somatogyrus isogonus Say.

Big Muddy River, Blairsville, Williamson Co. (Hinkley)

;

Quincy, Adams Co. (State Laboratory).

Somatogyrus suhglohosus Say.

Cook Co. (Baker, Calkins, Jensen, Lyon, Nason) ; Northern

Illinois (Calkins) ; Kankakee River; Joliet, Will Co. (Ferriss)

;

Quincy, Adams Co. (Garman) ; Wabash, Little Wabash, and

Ohio rivers; Rockford, Winnebago Co. (Hinkley); Hamilton

Co. (Lyon) ; Mississippi River (Marsh) ; Canton, Fulton Co.

;

Athens, Menard Co. (Nason) ; Spoon River (Strode) ; Fulton

Co. (Wolf)
;

Quincy, Adams Co. ; Pekin, Tazewell Co. ; Ha-
vana, Mason Co. ; Peoria, Peoria Co. ; Lake Michigan, Chicago,

Cook Co. (State Laboratory).

Somatogyrus integer Say.

Rock River (Calkins); Joliet, Will Co. (Ferriss); Wabash
River, White Co. ; Ohio River, Golconda, Pope Co. ; Little

Muddy Creek, Rockford, Winnebago Co. ; Du Bois, Washington
Co. ; Elizabethtown, Hardin Co. (Hinkley) ; Mississippi and
Wabash rivers (Marsh).

Somatogyrtis integer depressus Tryon.

Du Bois, Washington Co. ; Rockford, Winnebago Co. ; Peoria,

Peoria Co. (Hinkley)
; Rock Island Co. (Nason).

Somatogyrus (nirrleriayius Lea.

Elizabethtown, Hardin Co. (Hinkley).



95

Subfamily POMATIOPSINiE.

Genus Pomatiopsis Tryon.

Pomatiopsis cuiclRnatiensis Anthony,
Northern Illinois (Calkins) ; Joliet, Will Co.; Kankakee

River (Ferriss) ; Peoria (^o. (Marsh) ; Fulton (^o. (Wolf).

Pomatiopsis lapidaria Say {=lustric,a Say).

Cook (^o. (Baker, Higley) ; Northern Illinois; Ottawa, La
Salle Co. (Calkins) ; Kankakee River ; Joliet, Will Co. (Ferriss)

;

Quincy, Adams Co. (Hart); Winnebago (!o. ; Du Bois, Wash-
ington Co. (Hinkley) ; La Salle Co. (Huett); Winnebago and

Mercer counties (Marsh) ; Elgin, Kane ( -o. ; Algonquin, Mc-
Henry Co ; Athens, Menard Co. (Nason) ; Fulton Co. (Wolf);

Quiver Lake, Havana, Mason Co. ; Bartelso, Clinton Co. (State

Laboratory).

Pomatiopsis sheldonii Pilsbry.

Illinois River (Marsh).

Genus Pyrgulopsis Call and Pilsbry.

Pyrgulopsis mississippiensis Pilsbry.

Mississippi River, near mouth of Rock River (Call, Marsh,

Pilsbry).

Pyrgulopsis scalariformis Wolf.

Tazewell Co. shore of Illinois River (Wolf).

Family PLEURO0ERID.E.

Genus Angitrema Haldeman.

Angitrema armigera Say.

Wabash '^and Ohio rivers (Hinkley); Ohio River (Marsh) ;

Southern Illinois (Ulffers) ; Ohio River, Golconda, Pope Co.

(State Laboratory).

Angitrema verrucosa Rafinesque.

Wabash and Ohio rivers (Hinkley) ; Ohio River (Marsh) ; Mt.

Carmel, Wabash Co. (Nelson) ; Ohio River, Golconda, Pope Co.

(State Laboratory).

Genus Lithasia Haldeman.

Lithasia widosa Anthony.

Little Wabash and Saline rivers (Hinkley) ; Ohio River

(Marsh).



96

Lithasia oborafa Say.

Ohio River (Marsh).

Genus Pleurocera Ralinesque.

Pleurocera alvearc Conrad {=7iupera Say).

Little Wabash and Saline rivers (Hinkley) ; Ohio River

(Marsh) ; Southern Illinois (Ulffers).

Pleurocera canaliciilatum Say.

Wabash and Ohio rivers (Hinkley) ; Wabash River (Marsh)
;

Mt. Carmel, Wabash Co. (Nelson); Southern Illinois (UlflFers);

Golconda, Pope (-o. ; Saline River, Saline Co. (State Labora-

tory).

Pleurocera elevatuui Say.

Cook Co. (Baker, Jensen) ; Joliet, Will Co. ; Kankakee River

(Ferriss, Handwerk) ; Kishwaukee and Kaskaskia rivers

(Hinkley) ; Illinois River (Marsh) ; Spoon River (Strode)
;

Peoria, Peoria Co, ; Pekin Lake, Tazewell Co. ; Golconda, Pope
Co. ; Saline River, Saline Co. ; Kaskaskia River, Bartelso, Clin-

ton Co. ; Pistakee Lake, Lake Co. ; Skillet Fork, Wayne Co.
;

Duncan's Mills and Bernadotte, Fulton Co.; Little Muddy
River, Franklin Co. ; Havana, Mason Co. ; Kishwaukee River,

Winnebago Co. ; Carlyle, Clinton Co. ; Lake Michigan, Chicago,

Cook Co. (State Laboratory).

Pleurocera elevatum. lewisii Lea.

Northern Illinois; Fox River (Calkins) ; Utica, La Salle Co.

;

Joliet, Will Co. ; Kankakee River(Ferriss)
;
Quincy, Adams Co.

(Hart); La Salle Co, (Huett) ; Peoria Co. (Lea, Lewis, Marsh,
Tryon)

; Illinois River; Canton, Fulton Co. (Nason) ; Spoon
River (Strode) ; Fulton Co. (Wolf) ; Peoria, Peoria Co.

;
Quiver

and Matanzas lakes, and Illinois River, Havana, Mason Co.

;

Pekin Lake, Tazewell Co. ; Thompson's Lake, Fulton Co. ; Milan,

Rock Island Co. (State Laboratory).

Pleurocera tforencense Lea.

Wabash River (Marsh).

Pleurocera lesleyi Lea.

Ohio River (Marsh).

Pleurocera moniliferum Lea.

Wabash, Little Wabash, Saline, and Ohio rivers (Hinkley,
Marsh) ; Ohio River (Lea).



97

Pleurocera iieglecUim Anthony.

Biii- and Little Muddy rivers (Hinkley) ; Washington (^o.

(Marsh).

Pleurocerapalllduni Lea.

Fox River (Calkins) ; Kappa, Woodford Co. (Hinkley, col-

lected by C. A. Hart).

Pleurocera ponderosum Anthony.
Illinois River (Ferriss, Marsh) ; Fox River (Tryon).

Pleurocera suhulare Lea.

Cook Co. (Baker, Calkins, Jensen, Lyon); Northern Illinois;

Fox River ((j'alkins); Kankakee River (Ferriss) ; Rock River

and Kent's Creek (Hinkley) ; La 8alle Co. (Huett) ; Union Co.

(Lyon); Mississippi River (Marsh); Fulton Co. (Wolf); Lake

Michigan, Chicago, Cook Co. ; Havana, Mason Co. (State

Laboratory).

Pleurocera suhulare iiiterisum Anthony.

Desplaines River (Baker) ; Cook Co. (Jensen, Yelie) ; Mere-

dosia, Morgan Co. (Woodruft) ; Quincy, Adams Co. (State Lab-

oratory),

Pleurocera troostii Lea.

Wabash River (Marsh).

Pleurocera undulatum Say.

Wabash and Ohio rivers (Hinkley) ; Wabash River (Marsh).

Genus Gontobasis Lea.

Goniohasis costifera Haldeman.

Creeks of Hardin Co. (Hinkley); Hennepin, Putnam Co.

(Haldeman, Tyron) ; Saline River (Marsh).

Goniohasis pleheius Anthony {= cuhicoides Anthony).

Kankakee River (Ferriss, Marsh).

Goniohasis depygis Say.

Northern Illinois (Calkins) ; Kankakee River (Ferriss); Jo-

liet, Will Co. (Ferriss, Handwerk); Hickory Creek, Will Co.

(Handwerk) ; La Salle Co. (Huett) ; Peoria Co. (Marsh).

Goniohasis gracilior Anthony.

Fulton Co. (Wolf) ; Peoria, Peoria Co. (State Laboratory).

Go7iiohasis infantula Lea.

Ohio River (Marsh).



98

Ooniohasis semicarhiata Say {= grosvetiorii Lea).

Hickory Creek, Will Co. (Ferriss) ; Fox River (Lea) ; Big

Vermilion River (Marsh) ; Grand Rierre Creek, Herod, Pope
Co.; Elizabethtown, Hardin ( -o. ; Bartelso, Clinton Co. (State

Laboratory).

Qoniohasis livescens Menke.
Cook Co. (Baker, Calkins, Jensen, Lyon) ; Northern Hlinois

;

Fox River (Calkins) ; Utica, La Salle Co. ; Kankakee River

(Ferriss) ; Kappa, Woodford Co. (Hart) ; La Salle Co. (Huett)
;

Illinois River (Marsh) ; Elgin, Kane Co. ; Algonquin, McHenry
Co. ; Illinois River (Nason) ; Fulton Co. (Wolf) ; Havana, Mason
Co. ; Peoria, Peoria Co. ; Lake Michigan, Chicago, Cook Co.

(State Laboratory).

Ooniohasis pulohella Anthony.
Big Vermilion River (Calkins) ; Desplaines River (Ferriss)

;

Illinois River (Lewis, Marsh).

Ooniohasis spartenhurgensis Lea.

Mt. Carmel, Wabash Co. (Hinkley, collected by Mr. Charles

A. Hodgson).

Genus Anculosa Say.

Anculosa suhglohosa Say.

Ohio River (Marsh).

Anculosa prwrosa Say.

Wabash and Ohio rivers (Hinkley) ; Ohio River (Marsh)

;

Southern Illinois (Differs); Golconda, Pope Co. (State Labora-

tory).

Anculosa costata Anthony.

Wabash River (Marsh).



99

Subclass Euthyneura.

Order PULMONATA.

Suborder BASOMMATOPHORA.

Superfamily Hygrophila.

Family PHYSID^.

Genus Fhysa Draparnaiid.

Physa ancillaria Say (= vinosa of authors, not of Gould).

Quincy, Adams Co. (Garman) ; tank pond, I)u Bois, Wash-
ington Co. ; Winnebago Co. (Hinkley) ; Winnebago Co. (Marsh)

;

Lake Michigan, Cook Co. (Nason).

Physa saya Tappan.

Cook and Will counties; Northern Illinois (Baker) ; Fox Riv-

er; Algonquin, McHenry Co, (Nason); Clear, Sand, and Cedar

lakes, Lake Co. ; Peoria, Peoria Co. ; Urbana, Champaign Co.

;

Milan, Pock Island Co. ; Havana, Mason Co. ; Northern Illinois

(State Laboratory).

Physa heterostropha Say.

Cook Co. (Baker, Calkins); Southern Illinois (Binney, Ulf-

fers) ; Quincy, Adams Co. (Garman); Joliet, Will Co.; Kan-
kakee River (Handwerk) ; Saline River; Winnebago, Washing-

ton, and Hardin counties (Hinkley) ; Mercer Co, (Marsh) ; Sil-

ver and Crystal lakes and Algonquin, McHenry Co. (Nason)
;

Thompson's Lake, Fulton Co. (Strode); Cedar, Pistakee, and

Clear lakes, Lake Co.
;
Quiver Lake, Havana, Mason Co. ; Nor-

mal, McLean Co.; McHenry Co. (State Laboratory).

Physa anatina Lea.

Elizabethtown, Hardin Co. (Hinkley) ; Algonquin, McHenry
Co. (Nason) ;

Quincy, Adams Co. (State Laboratory).

Physa gyrina Say.

Northern Illinois (Baker, Calkins) ; (Jook Co. (Baker, Calk-

ins, Lyon, Woodrull) ; Oregon, Ogle Co. ; Savanna, (-arroll Co.

(Baker, Nason); Du Page River (Ferriss) ; Kankakee River

(Handwerk) ; Winnebago, Jefferson, Hardin, and Washington

counties; Saline River (Hinkley) ; Fulton Co. (Hinkley, Wolf)

;



100

La Salle Co. (Huett) ; Mercer Co. (Marsh) ; Fox River; Algon-

quin, Flint Creek and Crystal and Silver lakes, McHenry Co.

(Nason) ; Quincy, Adams Co.
;
Quiver and Matanzas lakes, and

Illinois River, Havana, Mason Co. ; Grand Pierre Creek, Herod,

Pope Co. ; Normal, McLean Co. ; Peoria, Peoria Co. ; Polecat

Creek, Ashmore, Coles Co. ; Cypress Creek, Grantsburg, Johnson

Co. ; Urbana, Champaign Co. ; Union Co. ; Lake Michigan,

Chicago, Cook Co. (State Laboratory).

Fhysa gyrina oleacea Tryon (= elliptica of authors, not of Lea).

Cook Co. ; Northern Illinois (Baker, Nason) ;
Quincy, Adams

Co. (Hart); Little Muddy River (Hinkley) ; Algonquin, Mc-

Henry Co.; Quincy, Adams Co. ; Athens, Menard Co. (Nason)
;

Miller's Pond, Union Co. ; Saline Co. ; Peoria, Peoria Co. ; Pekin,

Tazewell Co. ; Pistakee and Fourth lakes, Lake Co. ; Dixon, Lee

Co.; Havana, Mason Co. (State Laboratory).

Physa gyrina hildvethiana Lea.

Cook Co. (Baker, Nason) ; Northern Illinois (Calkins) ; La

Salle Co. (Huett) ; a lake in Illinois (Lea) ; Canton, Fulton Co.

(Lewis) ; Fulton Co. (Marsh, Wolf) ; Elgin, Kane Co.'; Crystal

Lake, McHenry Co.; Athens, Menard Co. (Nason).

Physa Integra Haldeman { = niagarensis Lea).

Savanna, Carroll Co. (Baker) ; Oregon, Ogle Co. ; Cook Oo.

(Baker, Nason) ; De Soto, Jackson Co. ; Du Bois, Washington

Co.; Rockford, Winnebago Co.; Big Muddy River (Hinkley)

;

Elgin, Kane Co. ; Crystal and Silver lakes and Algonquin,

McHenry Co. (Nason) ; Blue Mound, Macon Co. ; Peoria, Peoria

Co. ; Pistakee, Fox, Cedar, Sand, and Fourth lakes. Lake Co.

;

Quiver and Matanzas lakes, and Illinois River, Havana, Mason
Co. ; Lake Michigan, Chicago, Cook Co.; Bluff Lake, Anna,
Union Co. ; Pekin Lake, Tazewell Co. ; Flag Lake, Fulton Co.

;

Cedar Creek, Quincy, Adams Co. (State Laboratory).

Physa walkeri Crandall.

Rockford, Winnebago Co. (Hinkley) ; Elgin, Kane Co.

(Nason).

Physa crandalli Baker {=rhomhoidea Crandall, 1901, not Meek and
Hayden, 1856).

Big Muddy and Saline rivers; Jefferson Co. (Hinkley);
Athens, Menard Co. (Nason).



101

Phijsa sp.

Greenhouse, Douglass Park, Chicago, Cook Co. (Hood, Zetek).

Genus Aplkxa Fleming.

Aplexa hi/pnorum Linne ( = Ph/sa elongata Say).

(JookCo. (Baker, Higley,Nason
) ; Northern Illinois (Calkins) ;

Desplaines River (Ferriss) ; Rockford, Winnebago Co. (Hink-

ley) ; La Salle Co. (Huett) ; Canton, Fulton Co (Lewis) ; Eastern

Illinois (Marsh); Elgin, Kane CJo. ; Algon(iuin, McHenry Co. ;

Canton, Fulton Co. (Nason) ; shores of Illinois (Say) ; Southern

Illinois (Differs); Fulton Co. (Wolf).

Family ANCYLIDtE.

Genus Ancylus Geoffroy.

Section Lxvapex Walker.

Ancylus diaphanus Haldeman.
Illinois River (Ferriss, Walker).

Ancylus fuscus Adams.
Algonquin and Fox Lake, McHenry C^o. (Nason).

A)icylus fuscus euglyptus Pilsbry.

Havana, Mason Co.; Illinois River (Pilsbry).

Ancylus kirklandi Walker.

Havana, Mason Co. ; Crystal Lake, Urbana, Champaign Co.

(State Laboratory).

Section Ferrlma Walker.

Aricylus 7'ivularis Say.

Du Page River (Ferriss) ; Winnebago and Washington coun-

ties (Hinkley) ; Cook Co. (Jensen) ; Mercer Co. (Marsh) ; creek,

Algonquin, McHenry Co. ; Fox River, Elgin, Kane Co. (Nason) ;

Salt Fork, Urbana, Champaign C-o. (State Laboratory).

Ancylus parallelus Haldeman*
Algonquin, McHenry Co. (Nason) ; Pistakee and Cedar lakes,

Lake Co. (State Laboratory).

Ancylus tardus Say.

Northern Illinois; La Salle Co. (Calkins, Huett) ; Du Page

River (Ferriss) ; Winnebago Co. (Hinkley) ; Mercer Co. (Marsh)

;

creek, Algonquin, McHenry Co. (Nason) ; Rockford, Winnebago

^Amyhix parallehix Haldeman as (juoted by Marsh from Mercer Co., i.s said by

Walker to be A. tardus. (Nautilus XVIII., p. 76.)



102

Co. (Walker); Fulton Co. (Wolf); Havana, Mason Co. (State

Laboratory).

Ancylus haldemcmi Bourguignat.

Quiver Lake and Illinois River, Havana, Mason Co. (State

Laboratory).

Ancylus pumilus Sterki.

Rockford, Winnebago Co.; Kankakee River (Walker).

Ancylus shimekii Pilsbry.

Salt Fork, Urbana, Champaign Co. (State Laboratory).

Ancylus sp.*

Genus Gundlachia PfeifFer.

GundlacJiia meekiana Stirapson.

Rock Island Co. (Marsh, Pilsbry).

Gundlachia sp.

Quiver Lake, Havana, Mason Co. (State Laboratory).

Family LYMN^ID^.
Subfamily LYMNiEINiE.

Genus Lymn^.a Lamarck.

Subgenus Lymnma Lamarck.

f

Section Lymnsea s.s.

Lymncea stagjialis appressa. Say {=jiigularis Say).

Cook Co. (Baker, Calkins, Jensen, Nason); Northern Illinois

(Calkins) ; Desplaines River (Ferriss, Handwerk) ; Romeo, Will

Co. (Handwerk); La Salle Co. (Huett, for stagnalis) ; Lake
Co. (Marsh) ; Silver Lake and Algonquin, McHenry Co. (Nason)

;

Cedar and Fourth lakes. Lake Co. ; Chicago, Cook Co. (State

Laboratory )

.

Section Badix Montfort.

Lymncea auricularia Linne.

Greenhouse, Lincoln Park, Chicago, introduced (Baker,
Nason).

*Ancylus shimekii Pilsbry as quoted by Baker from Joliet and by Pilsbry from Rock
Island, is said by Mr. Bryant Walker to be an nndescribed species.

fLynimta emargivata Say is reported from Southern Illinois by Differs, but this

would seem to be an error, as no authentic specimens of this species from Illinois

have been seen by the writer.



103

Lytnncea columella Say.

Cook Co. (Baker); Little Muddy River, Dii Bois, Washing-
ton Co.; De Soto, Jackson Co. (Hinkley); McHenry Vo.

(Marsh).

Lymncjea coliunella chalyhea Gould {= casta Lea).

Mercer Co. (Marsh).

Section Acella Haldeman.

Lynuuaa holdemani Deshayes (= gracilis Jay).

Cedar Lake, Lake Co. (State Laboratory).

Subgenus Galha Schrank.

Lymncea ohrussa^2iy (= desidiosa, of authors, not of Say).

Cook Co. (Baker, Higley) ; Northern Illinois ((Jalkins) ; La
Salle Co. (Calkins, Huett) ; Joliet,Will Co.(Ferriss, Handvverk)

;

Desplaines River (Ferriss) ; Mackinaw River, Kappa, Woodford
Co. (Hart); Winnebago and Hardin counties (Hinkley) ; Mer-

cer and Will counties (Marsh); Elgin, Kane Co.; Fox River,

Algonquin and Silver Lake, McHenry Co. (Nason) ; Fulton Co.

(Wolf); Dixon, Lee Co.; Panola, Woodford (Jo.; Galena, Jo

Daviess Co. ; Cedar, Fox, and Fourth lakes, Lake Co. ; Quiver

and Matanzas lakes, and Illinois River, Havana, Mason Co.

;

Urbana and Champaign, Champaign Co. ; Thompson's Lake,

Fulton Co. (State Laboratory).

Lymncea ohrussa plica Lea ( = exigua Lea).

Chicago, Cook Co. (Baker, Jensen) ; Rockford, Winnebago
Co. (Hinkley).

Lymncea ohrussa decam.pi Streng.

Silver Lake and Algonquin, McHenry Co. (Nason) ; Cedar and

Long lakes. Lake Co. (State Laboratory).

Lymncea ohrussa modicella Say.

Cook Co. (Baker, Higley); Elgin, Kane Co; Fox River, Al-

gonquin and Crystal Lake, McHenry Co. ; Athens, Menard Co.

(Nason); Wabash Co. (Marsh); Urbana, Champaign Co ; Illi-

nois River, Havana, Mason Co. ; Thompson's Lake, Fulton Co.

(State Laboratory).

Ijymncea tazewelUana Wolf.

Tazewell Co. shore of Illinois River, (Wolf), Pleistocene

fossil.



104

Ltjmna'a sterk'ti Baker.

Canton, Fulton Oo, (Nason).

Lymruea humilis Say.

Cook Co. (Baker) ; Desplaines River (Ferriss) ; Joliet, Will

Co. (Ferriss, Handwerk); La Salle Oo. (Huett) ; Mercer Co.

(Marsh); Elgin, Kane Co. ; Algonquin, McHenry Oo. ; Canton,

Fulton Co. (Nason) ; Jackson Co. (Walker) ; Fulton Co. (Wolf)
;

Grand Tower, Jackson Co. (Woodruff')
;
Quiver and Matanzas

lakes, Havana, Mason Co. (State Laboratory).

Lymncm parva Lea (= curta Lea).

Joliet, Will Co. (Ferriss, Handwerk) ; Mercer Co. (Marsh) ;

Athens, Mei^ard Oo. ; Cook Co. ; Algonquin and Crystal Lake, Mc-
Henry Co, ; Elgin, Kane Co. (Nason) ; Canton, Fulton Oo. (Na-

son, Walker) ; Fulton Co. (Wolf) ; Copperas Creek (Phil. Acad.

Sciences) ; Illinois River, Havana, Mason Co. ; Clifton, Iroquois

Co. (State Laboratory).

Lymncea dalli Baker
Rockford, Winnebago Co. (Hinkley); Northern Illinois, in

drift (Sterki).

Subgenus Stagnicola Leach.

Section Stagnicola s.s.

Lymncea catascopium Say (= fuslfo7'fnis hea,).

Cook Oo. (Baker, Jensen, Nason) ; Northern Illinois (Calkins)
;

Will Co. (Marsh) ; Lake Michigan, Chicago, Cook Co. (State Lab-

oratory).

Lymnma catascopium pinguis Say.

Cook Oo. (Baker, Calkins).

Lymncea ivoodruM Baker.

Lake Michigan, Cook Co. (Baker, Lyon, Nason, Woodruff,

State Laboratory).

LymncEa caperata Say ( = ferrissi Baker).
Cook Co. (Baker, Calkins, Jensen, Nason) ; Northern Illinois

(Calkins); Joliet, Will Oo. (Ferriss); Winnebago Co. (Hink-
ley) ; Lake Co. (Huett) ; Mercer and Whiteside counties

(Marsh) ; Elgin, Kane Co, ; Algonquin and Crystal Lake, Mc-
Henry Co. (Nason); Fulton Co. (Wolf) ; Urbana, Champaign
Co. ; Cedar Lake, Lake Oo. ; Clifton, Iroquois Oo.

;
Quincy, Ad-

ams Oo. ; Freeport, Stephenson Co. (State Laboratory).



105

Lymniea caperata umhilicata Adams.
Cook Co. (Baker, Jensen, Nason) ; Joliet, Will Co.; Des-

plaines River ( Ferriss) ; Kankakee Co. (Marslij.

Lymmca pallida Adams.
Northern Illinois ((-alkins); La Salle Co. (Huett) ; Winne-

bago Co. (Marsh).

Lymnma palustris Miiller (= elodes Say, umbrosaSsiy^ suMatusCsdk-
ins).*

Cook Co. (Baker, Calkins, Nason) ; Northern Illinois (Calk-

ins) ; Desplaines River (Ferriss); Winnebago Co.; Canton,

Fulton Co. (Hinkley, Marsh) ; Mercer and Lake counties

(Marsh) ; Silver Lake, McHenry Co. (Nason) ; Southern Illinois

(Ulffers, as fragilis) ; Havana, Mason Co. (Walker); Fulton

Co. (Wolf); Urbana, Champaign Co.; Flag Lake, Fulton Co.

;

Quiver Lake, Havjina, Mason Co. ; Peoria, Peoria Co. ; Cedar,

Fourth, and Pistakee lakes, Lake Co. (State Laboratory).

Lymncea palustris michiganensls Walker.
Cook Co. (Baker); Joliet, Will Co. (Ferriss, Handwerk)

;

Winnebago Co. (Hinkley); Havana, Mason Co. (State Labo-

ratory )

.

Lymmx'a reliexa Say ( --sehra Tryon).

Cook Co. (Baker, Calkins, Lyon, Nason); Northern Illinois

(Calkins) ; Joliet, Will Co. ; Desplaines River (Ferriss, Hand-
werk) ; Pecatonica, Winnebago Co. (Hinkley); Kappa, Wood-
ford Co. (Hart); La Salle Co. (Huett); Mercer Co. (Marsh);

Silver and Crystal lakes and Algonquin, McHenry Co. ; Mason
Co. (Nason); Southern Illinois ( Differs ) ; Fulton Co. (Wolf);

Quiver Lake, Havana, Mason Co. ; Clear and Cedar lakes. Lake

Co. ; Thompson's Lake, Fulton Co. ; Normal, McLean Co. ; Run-

ning Lake, Union Co. ; McHenry Co. (State Laboratory).

Lymmva rellexae,i'ilis\j&^ (= klrtlandianal-iQdi^ lancea ta ijouXdi)

.

Cook Co. (Calkins) ; Mercer Co. ; Desplaines River (Ferriss)

;

Winnebago Co. (Hinkley ); Will Co. (Marsh); Algonquin and

Silver Lake, McHenry Co. (Nason) ; Aledo, Mercer Co.

(Walker); Cedar Lake, Lake Co.; Northern Illinois (State

Laboratory).

*LiimiVd'a pahistritinnttaUiKUd and Lymntm jxiliistris e.rpaiisa, recorded in The Mol-

lusca of the Chicago Area, Part II., pp. 276, 277, prove to be forms otpaludrU.



106

Lymncea reifexa jolietensis Baker.

Rock Run, Joliet, Will Co. (Ferriss) ; Elgin, Kane Co. ; Crys-

tal Lake, McHenry Co. (Nason).

Lymmm rei^exaivall^eri Baker (=sc«Z«ris Walker, 1892, not Van den

Broeck, 1870).

Cook Co. (Baker, Nason); Joliet, Will Co. (Ferriss) ; Algon-

quin, McHenry Co. (Nason).

Lymncea reffsxa iowensis Baker.

Joliet, Will Co. (Ferriss).

Lymncea reilexa crystalensis Baker.

Crystal Lake, McHenry Co. (Lyon); Flint Creek, McHenry
Co.; Mason Co. (Nason).

Subfamily PLANORBIN^.

Genus Planorbis Miiller.

Subgenus PlanorMs s.s.

Section Planorhina Haldeman.

Flanorhis glahratus Say.

Northern Illinois (Calkins); Winnebago Co.; Mercer Co.;.

Pecatonica River (Hinkley) ; La Salle Co. (Huett) ; Cypress

Creek, Johnson Co. ; McHenry Co. ; Hamilton Co. ; Hawthorne,

White Co. (State Laboratory).

Subgenus LLelisoma Swainson.

Section Helisoma Swainson.

Planorhis hicari?iatus Say.

Cook Co. (Baker, Calkins, Higley, Jensen, Nason) ; Northern

Illinois (Calkins); La Salle Co. (Calkins, Huett) ; Desplaines

River (Ferriss) ; Kappa, Woodford Co. (Hart) ; common
throughout the state (Hinkley); Crystal Lake, McHenry Co.

(Lyon); Mercer Co. (Marsh); Elgin, Kane Co.; Algonquin,

McHenry Co. ; Mason Co. (Nason) ; McHenry Co. (Stearns) ; Ful-

ton Co. (Wolf) ; Illinois River and Dogfish, Quiver, and Matan-

zas lakes and Slough, Havana, Mason Co. ; Fourth, Sand, Cedar,

Fox, Pistakee, Clear, Long, and Slough lakes. Lake Co. ; Pope

Co. ; Johnson Co. ; Thompson's Lake, Fulton Co. ; Milan, Rock
Island Co. ; Panola, Woodford Co. ; Pekin, Tazewell Co. (State

Laboratory). A white variety from Crystal and Silver lakes,

McHenry Co. (Nason).



107

Section Pierosoma Dall.

Planorbis trivolvis Say (= fallax Hald., megastoma De Kay, lentus

of authors, not of Say).*

Cook Co. (Baker, Calkins, Lyon, Nason); Southern Illinois

(Binney, UlfFers) ; Northern Illinois (Calkins) ; Joliet, Will Co.

;

Desplaines River (Ferriss) ; Quincy, Adams Co. (Garman);
East Branch Du Page River (Gault) ; Romeo and Joliet, Will Co.

(Handwerk) ; Kappa, Woodford Co.; Quincy, Adams Co.

(Hart); Kishwaukee and Little Wabash rivers; Winnebago,
Washington, and Hardin counties; Seifert, Perry Co. (Hink-

ley) ; La Salle Co. (Huett) ; Crystal Lake, McHenry Co. (Lyon)

;

Eastern Illinois; Mercer Co. (Marsh); Atheus, Menard Co.;

Fox River, Algonquin and Silver Lake, McHenry Co. ; Elgin,

Kane Co. (Nason); Fulton Co. (Wolf); Saline (Jo. ; Champaign
Co. ; Peoria, Peoria Co.

;
Quiver Lake, Havana, Mason Co. ; Cy-

press Creek, Johnson Co. ; Cedar Lake, Lake Co. ; Dug Hill and

Miller's Pond, Union Co. ; Washington Co. ; Thompson's Lake,

Fulton Co. ; Pekin, Tazewell Co. ; Taylorville, Christian Co.

;

Northern Illinois; Warsaw, Hancock Co. (State Laboratory).

Planorbis trivolvis macrostoma Whiteaves.

Desplaines River, Will Co. (Ferriss); Northern Illinois

(Marsh) ; Fox River and Algonquin, McHenry Co. (Nason).

Planorbis truncatus Miles.

Cook Co. (Baker, Higley, Jensen).

Planorbis sampsoni Ancey.

Athens, Menard Co., collected by E. Hall (Nautilus, IX., p.

86, 1895).

Section Planorbella Haldeman.

Planorbis campanulaUis Say.

Cook Co. (Baker, Calkins, Higley); Northern Illinois (Calk-

ins) ; La Salle Co. (Calkins, Huett) ; Desplaines River (Fer-

riss) ; Romeo and Joliet, Will Co. (Handwerk); Quincy, Adams
Co. (Hart); Winnebago Co. (Hinkley, Marsh); Crystal Lake,

McHenry Co. (Lyon) ; Silver and Crystal lakes and Algonquin,

McHenry Co. (Nason) ; McHenry Co. (Stearns) ; Southern Illi-

nois (Ulli'ers) ; Milan, Rock Island Co. ; Clear, Cedar, Sand, Fox,

*The references to Planorbis lenhitt Say from Illinois are extremely doubtful, as it

is essentially a southern species. It is reported from the following localities: Winne-

bago Co. (Hinkley); Mercer Co. (Marsh). (See Nautilus, III., p. 23.)



108

and Fourth lakes, Lake Co. ; Fekiii Lake, Tazewell Oo. ; Ha-

vana, Mason Oo. ; Fulton Co. ; McHenry Co. ; Lake Michigan,

Cook Oo. ; Northern Illinois; Camp Point, Adams Oo. (8tate

Laboratory).

Subgenus Hippeutis Agassiz.

Section Menetus H. & A. Adams.

PlanorMs exacuous Say (= exacutus of authors).

Joliet, Will Co., Desplaines River (Ferriss) ; Winnebago Oo.

(Hinkley) ; Mercer Oo. (Marsh) ; Chicago, Cook Oo. ; Algonquin,

McHenry Co.; Hlinois River (Nason); Fulton Oo. (Wolf);

Quiver Lake and Havana, Mason Co. ; Pistakee, Fourth, Fox,

Sand, Long, Cedar, and Slough lakes, and between Cedar and

Loon lakes. Lake Oo. ; Urbana, Champaign Oo. ; Flag Lake,

Fulton Oo. (State Laboratory).

Subgenus Gyraulus Agassiz.

Planorhis alhus Miiller (= hirsuUis Gould).

Rockford, Winnebago Co.; Du Bois, Washington Co. (Hink-

ley); Algonquin, McHenry Oo. (Nason) ; Pistakee and Cedar

lakes. Lake Oo. ; Northern Illinois (State Laboratory).

Planorhis deAectus Say.

Cook Co. (Baker, Nason) ; Northern Illinois (Calkins) ; La
Salle Oo. (Calkins, Huett) ; Desplaines River (Ferriss) ; Win-
nebago Co. (Hinkley) ; Will Co. (Marsh) ; Silver Lake and Al-

gonquin, McHenry Co. (Nason) ; Fulton Co. (Wolf) ; Cedar, Fox,

and Pistakee lakes. Lake Oo.
;
Quiver Creek and Quiver and

Dogfish lakes, Mason Oo. ; McHenrj^ Co. (State Laboratory).

Section Torquh Dall.

Planorhis parvus Say.

Cook Co. (Baker, Calkins, Lyon, Nason); Northern Illinois

(Calkins)
; La Salle Co. (Calkins, Huett) ; Desplaines River

(Ferriss); Joliet, Will Co. (Ferriss, Handwerk) ; Romeo, Will
Oo. (Handwerk) ; Rockford, Winnebago Co. (Hinkley) ; Mercer
Oo. (Marsh) ; Algonquin, McHenry Co.; Quincy, Adams Co.;

Athens, Menard Co.; Elgin, Kane Oo. (Nason); Fulton Oo.

(Wolf)
; Thompson's Lake, Fulton Co.

;
Quiver, Dogfish, and

Matanzas lakes and Slough, Havana, Mason Co. ; Cedar, Pis-

takee, Sand, Fox, Fourth, and Slough lakes, Lake Co. ; Url)ana,

Champaign Co. (State Laboratory).



109

Planorhis diUitatus Gould.

Oarbondale, Jackson Co. (Hiiikley).

Section Arviiger Hartinanii.

Planorhis crista hmne^ 1758 {=nauf ileus Liniie, 17B7).

Algonquin, McHenry Co. (Nason).

Genus Segmentina Fleming.

Subgenus Planoi'hula Haldeman.

Segmentina armigera Say.

Cook Co. (Baker, Calkins, Nason) ; Northern Illinois (Calk-

ins) ; La Salle C^o. (Calkins, Huett) ; Desplaines River, Joliet,

Will Co. (Ferriss) ; Kockford, Winnebago Co. (Hinkley
)

; Mer-

cer Co. (Marsh) ; Elgin, Kane Co. ; Silver and Crystal lakes and

Algonquin, McHenry Co. ; Athens, Menard Co. (Nason ) ; Fulton

Co. (Wolf); Glen Ellyn, Du Page Co. (Woodruff); Quiver

Lake, Havana, Mason Co.; Urbana, Champaign Co. ; Fourth

Lake, Lake Co. ; McHenry Co. (State Laboratory).

Superfamily Akteophila.

Family AURICULID^.

Genus Carychium Miiller.

Carj/chhini exiguum Say.

Cook Co. (Baker, Jensen); Northern Illinois; Fox River

(Calkins); La Salle Co. (Calkins, Huett); Joliet, Will Co.

(Ferriss); Lilycash Creek, V/ill Co. (Handwerk ) ; Rockford,

Winnebago Co. ; Du Bois, Washington Co. (Hinkley) ; Mercer

Co. (Marsh); Elgin, Kane Co.; Algonquin, McHenry Co.;

Athens, Menard Co. (Nason) ; Fulton Co. (Wolf).

Carychium exile H. C. Lea.

Oregon, Ogle Co. (Baker) ; Cook Co. (Baker, Higley, Jensen) ;

Joliet, Will Co. (Ferriss); Algonquin, McHenry Co. (Nason).



110

Suborder STYLOMMATOPHORA.
MONOTREMATA.

Vasopulmonata.

ORTHURETHRA.

Family VALLONIIDJ^].

Genus Vallonia Risso.

Vallonia pulchella Miiller (= Helix 7ninuta Say).

Cook Co. (Baker, Higley, Jensen) ; Joliet, Will Co. (Ferriss,

Handwerk) ; Mercer Co. (Marsh) ; Elgin, Kane Co. ; Algonquin,

McHenry Co. (Nason) ; Fulton Co. (Wolf).

Vallonia costata Miiller.

La Salle Co. (Calkins) ; Rock Island Co. (Marsh) ; Algonquin,

McHenry Co. (Nason).

Vallonia parvtila Sterki.

Joliet, Will Co. (Ferriss, Handwerk); Algonquin, McHenry
Co. (Nason); Will Co. (Sterki).

Family PUPID^.

Genus Strobilops Pilsbry.

Strolilops lahyrinthica Say.

Cook Co. (Baker, Jensen); Northern Elinois (Calkins) ; La

Salle Co. (Calkins, Huett) ; Utica and Sheridan. La Salle Co.

(Ferriss); Winnebago and Washington counties (Hinkley)

;

Mercer Co. (Marsh); Elgin, Kane Co.; Algonquin, McHenry
Co. ; Athens, Menard Co. (Nason) ; Southern Illinois (Ulffers)

;

Fulton Co. (Wolf).

Strohllops aMnis Pilsbry.

Oregon, Ogle Co. ; Evanston, Cook Co. (Baker); Algonquin,

McHenry Co. (Nason).

St7'ohilops Virgo Pilsbry.

Elgin, Kane Co.; Algonquin, McHenry Co. (Nason).

Genus Pupoides Pfeiifer.

Pupoides marginata, Say ( = fallax Say of American authors, not

of Say).

Oregon, Ogle Co. (Baker); Northern Illinois (Calkins) ; La
Salle Co. (Calkins, Huett) ; Joliet, Will Co. (Ferriss, Hand-



Ill

werk); Lilycash Creek, Will Go. (Handwerk); Oook Co. (Hig-

ley, Nason); Winnebago Co. (Hinkley) ; Mercer Co, (Marsh);

Algonquin, McHenry Co.; Athens, Menard (V). (Nason); Auro-

ra, Kane Co. (Cakes); Fulton Co. (Wolf).

Genus Bifidaria Sterki.

Section Bijichiria .s..s-.

BiHdaritt cortiearla Say.

Northern Illinois (Calkins); La 8alle Co. ( Calkins, Huett) ;

Sheridan, La Salle Co. (Ferriss); Mt. Carmel, Wabash Co.

(Gratacap); AVashington Co. (Hinkley); Will Co. (Marsh);

Fulton Co. (Wolf).

Biadaria 'procera Gould (= ruplcola of antho:- not of Say).

Joliet, Will Co.; Du Page Co. (Ferriss): Will Co. (Marsh);

Fulton Co. (Wolf).

Section AJhinnhi Sterki.

BiHdaria armifera Say.

Oregon, Ogle Co. (Baker) ; Cook Co. (Baker, Higley, .Jensen) ;

Northern Illinois (Calkins); La Salle Co, (Calkins, Huett)

;

Peoria Co. (Chamberlain) ; Stark Co. (Chase) ; Joliet, Will Co.

;

Utica, La Salle Co. (Ferriss, Handwerk); Winnebago and

Washington counties (Hinkley) ; Mercer Co. (Marsh); Elgin,

Kane Co. ; Algonquin, McHenry Co. ; Athens, Menard Co.

(Nason) ; Fulton Co. (Wolf) ; Illinois Kiver, Havana, Mason Co.

(State Laboratory).

BiHdaria contracta Say.

Oregon, Ogle Cb. (Baker); Cook Co. (Baker, Jensen ); La

Salle Co. (Calkins); Stark Co. (Chase) ; Joliet, Will Co. (Fer-

riss, Handwerk); Mt. Carmel, Wabash Co. (Gratacap); Wash-

ington Co. (Hinkley); Mercer Co. (Marsh); Elgin, Kane Co.;

Algonquin, McHenry Co. ; Athens, Menard Co. (Nason); South-

ern Illinois (Ulffers) ; Fulton Co. (Wolf) ; Havana, Mason Co.

(State Laboratory).

Biiidaria holzingeri Sterki.

Joliet, will Co. (Ferriss, Handwerk) ; Northern Illinois; Will

and La Salle counties (Ferriss, Sterki); Will Co. (Marsh).



112

Section 'l^eiiic/opsis (Cockerell) Sterki.

Bi£dar ia t(fppaniana C. B. Adams (=pentodon of aiitliors, not of

Say).

Cook Co. (Baker, Jensen); Northern Illinois (Calkins) ; La
Salle Co. (Calkins, Huett) ; Stark Co. (Chase) ; Joliet, Will Co.

(Ferriss); Washington and Winnebago counties (Hinkley);

Will and Fulton counties (Marsh) ; Canton, Fulton Co. (Nason).

Biiidaria pentodon Say ( —curvidens Gould).

Cook Co. (Baker, Jensen) ; Ottawa, La Salle Co. (Calkins)
;

Joliet, Will Co. (Ferriss, Handwerk) ; Eastern Illinois (Marsh).

Bindaria pentodon floridana Dall.

Huntley, McHenry Co. (Ferriss).

Genus Pupilla Leach.

Pupilla muscorum Linne.

Mercer Co. (Marsh).

Genus Vertigo Draparnaud.

Subgenus Angustula Sterki.

Vertigo 'tnilium Gould.

Washington and Winnebago counties (Hinkley, Marsh); El-

gin, Kane Co.; Algonquin, McHenry Co. (Nason); Canton,

Fulton Co. (Nason, Wolf).

Subgenus Vei'tigo Draparnaud.

Section Vertigo s.s.

Vertigo ovata Say (= Zonites tipsoni Calkins).

Rockford, Winnebago Co. (Calkins, Hinkley) ; Joliet, Will

Co. (Ferriss, Handwerk) ; Winnebago Co. (Marsh) ; Algonquin,
McHenry Co. ; Canton, Fulton Co. (Nason) ; Fulton Co. (Wolf).

Vertigo ventricosa Morse.

Illinois (Pilsbry).

Vertigo ventricosa approximata Sterki.

Winnebago Co. (Marsh).

Vertigo gouldi Binney.

Rockford, Winnebago Co. (Hinkley); Will Co. (Marsh).

Vertigo tridentata Wolf.

Joliet, Will Co. ; Utica, La Salle Co. (Ferriss, Handwerk)

;

Canton, Fulton Co. (Gratacap, Hinkley, Marsh, Nason, Wolf)
;

Fulton Co. (Marsh).



113

Family (JOCHLICOPIDvE.

(tgiius Coculicopa (Ferussac) Risso.

Coc/d'icopa lahr'wa Miiller.

Cook Co. (Baker, Higley) ; Wilmington, Will Co. (Ferriss) ;

McHenry Co. (Marsh) ; Algonquin, McHenry Co. (Nason).

HETERURETHRA.

Superfamily Elasmognatha.

Family SUCCINEIDvE.

Genus Succinea Draparnaud.

Succinea oralis Say ( =ohliqna Say).

Oregon, Ogle Co. ; Cook Co. ; Savanna, Carroll Co. (Baker)

;

Northern Illinois (Calkins); Fox River (Calkins, Ferriss); La
Salle Co. (Calkins, Huett ) ; Joliet, Will Co. ; Bristol, Kendall Co.

(Ferriss, Handwerk) ; Quincy, Adams Co. (Hart); Will Co.

(Marsh); Carpentersville, KaneC-o. ; Algonquin, McHenry Co.

(Nason); Fulton Co. (Wolf); Matanzas Lake, Havana, Mason
Co. (State Laboratory).

Succinea ovalis totteniana Lea,

Cook Co. (Baker, Jensen, Nason) ; Joliet^ Will Co. (Ferriss)

;

Algonquin, McHenry Co. (Nason).

Succinea retusa Lea {=ovalis Gould, calumetensis Calkins).

Cook Co. (Baker, Calkins, Jensen, Lyon) ; Northern Illinois

(Calkins); La Salle Co. (Calkins, Huett); Kankakee River

(Ferriss); Joliet, Will Co. (Ferriss, Handwerk) ; Washington

and Winnebago counties (Hinkley); Crystal Lake, McHenry
Co. (Lyon); Mercer Co. (Marsh); Algonquin, McHenry Co.

(Nason) ; Glen Ellyn, Du Page Co. (W^oodruflF); Quiver and

Matanzas lakes, and Illinois River, Havana, Mason Co. ; Cedar

Lake, Lake Co. ; Flag and Thompson's lakes, Fulton Co.

;

Peoria, Peoria Co. ; Normal, McLean Co. (State Laboratory).

Succiitea retusa tuagister Pilsbry.

Cook Co. (Baker) ; Rock Island (Pilsbry).

Succinea retusa peoriensis Wolf.

Kankakee River (Ferriss) ; Peoria Co. (Wolf).

Succinea avara Say { =ver7neta Say, v^ardiana Lea).

Oregon, Ogle Co.' (Baker) ; Cook Co. (Baker, Higley) ; North-



114

ern Illinois, Illinois Eiver (Calkins) ; La Salle Co. (Calkins,

Huett) ; Joliet, Will Co. (Ferriss, Handwerk) ; Washington and

Hardin counties (Hinkley); Mercer Co. (Marsh); Elgin, Kane
Co.; Algonquin, McHenry Co. (Nason) ; Starved Rock, La Salle

Co. (Cakes); Fulton Co. (Wolf); Herod, Pope Co. (State

Laboratory).

SuGcinea nuttalliana Lea.

Rockford, Winnebago Co. (Hinkley); Fulton Co. (Wolf).

SuGcinea higginsi Bland.

Rock Island Co. (Marsh).

SucGinea Goncordialis Gould.

Du Bois, Washington Co. (Hinkley).

SucGinea grosvenorii Lea {=mooresiana Lea).

Canton, Fulton Co. (Nason, Wolf).

SuGGiriea aurea Lea.

Effingham Co. (Marsh).

Succinea illinoisensis Wolf.

Canton, Fulton Co. (Handwerk); Fulton Co. (Marsh).

SIGMURETHRA.

Superfamily Holopoda.

Family HELICID^.
Subfamily POLYGYRINiB.

Genus Polygyka (Say) Pilsbry.

Section Polygyra s.s.

Polygyra leporina Gould.

Jackson and Hardin counties (Hinkley) ; Jackson Co. (Marsh).

Section Tviodopm Rafinesque.

Polygyra tridentata Say.

Near Berry Lake, Chicago, Cook Co. (Higley) ; Hancock Co.

(Marsh) ; Southern Illinois (Differs) ; Golconda, Pope Co. (State

Laboratory).

Polygyra tridentata juxtigens Pilsbry.

La Salle Co. (Calkins) ; Cook Co. (Higley),

Polygyra fraudulenta Pilsbry (= fallax of authors, not of Say).

La Salle Co. (Calkins) ; Lemont, Cook Co. (Higley) ; Pope
and Hardin counties (Hinkley) ; Unioii Co. (Lyon) ; Grand



115

Tower, Jackson Co. (Woodruff) ; Cypress Swamp, Johnson Co.

(State Laboratory).

Pohjgyra fallax Say (= introferens Binney).

La Salle Co. (Calkins); Knox Co. (Lyon).

Two undoubted specimens of this species are in the collection

of the Chicago Academy of Sciences, received from Mr. W.
W. Calkins. As the locality is somewhat north of its known
range the record from La Salle Co. must be looked upon with

suspicion until verified.

Polygyra inffecta Say.

Northern Illinois (Calkins) ; Cook Co. (Higley) ; Jackson Co.

(Hinkley, Woodruff); Wabash Co. (Marsh); Cypress Swamp,
Johnson Co.; Grand Tower, Jackson Co. (State Laboratory).

Polygyra profunda Say.

Oregon, Ogle Co. (Baker) ; Cook Co. (Baker, Higley, Jensen)

;

Northern Illinois (Calkins); La Salle Co. (Calkins, Huett)

;

Joliet, Will Co. (Ferriss, Handwerk, Nason
) ; Winnebago Co.

(Hinkley); Mercer Co. (Marsh); Rock Island (Nason); Spoon

River, Fulton Co. (Strode) ; Southern Illinois (Ulffers) ; Fulton

Co. (Wolf).

Polygyra profunda alha Witter.

Cook Co. (Baker); Joliet, Will Co. (Ferriss).

Polygyra sayli Binney ( = diodonta Say).

Northern Illinois (Calkins); Edgar Co. (Marsh).

Polygyra alholabris Say,

Cook Co. (Baker, Higley, Jensen) ; Fox River; Northern Illi-

nois (Calkins); La Salle (Jo. (Calkins, Ferriss, Huett); Joliet,

Will Co. (Ferriss, Handwerk); Marion Co. (Hinkley); Mercer

Co. (Marsh) ; Algonquin, McHenry Co. ; Elgin, Kane Co.

;

Athens, Menard Co. (Nason) ; Spoon River, Fulton ('o. (Strode)

;

Southern Illinois (Ulffers); Grand Tower, Jackson Co-

(Woodruff) ; Normal, McLean Co. ; Cairo, Alexander Co. (State

Laboratory).

Polygyra albolahris traversensis Leach.

Summit, Cook Co. (Zetek).

Polygyra albolahris dentaia Tryon.

Cook Co. (Baker).



116

Polygyra exoleta Binney.

Northern Illinois (Calkins) ; La Salle Co. (Calkins, Huetfc,

Marsh) ; Cook Co. (Higley) ; Grand Tower, Jackson Co. (Wood-
ruff).

Polygyra multilineata Say (= vars. alha and rubra Witter).

Oregon, Ogle Co. ; Savanna, Carroll Co. (Baker) ; Northern
Illinois (Calkins); Cook Co. (Calkins, Higley, Jensen); La
Salle Co. (Calkins, Huefct) ; Peoria Co. (Chase); Kendall Co.

(Ferriss); Joliet, Will Co.; Utica, La Salle Co. (Ferriss, Hand-
werk); Winnebago Co. (Hinkley) ; Elgin, Kane Co. (Jensen,

Nason) ; Knox Co. (Lyon); Mercer Co. (Marsh); Fulton Co.

(Wolf); Havana, Mason Co.; Bernadotte, Fulton Co. (State

Laboratory).

Polygyra. multilineata algonguinensis (Nason).

Algonquin, McHenry Co. (Nason).

Polygyra palliata Say.

Wabash Co. (Hinkley); Hamilton, Hancock Co. ; Union Co.

(Lyon) ; White Co. (Marsh) ; Southern Illinois (Ulffers) ; Nor-

mal, McLean Co. ; Cypress Swamp, Johnson Co. ; Dug Hill,

Union Co. ; Golconda, Pope Co. '(State Laboratory).

Polygyra appressa Say.

Alton, Madison Co. (Ferriss) ; Washington and Jackson
counties (Hinkley) ; Albion, Edwards Co. (Hodgson) ; Hender-
son Co. (Marsh) ; Bernadotte, Fulton Co. (State Laboratory).

Polygyra ohstricta Say.

White Co. (Marsh).

Polygyra elevata Say.

Vermilion Co. (Marsh) ; Spoon River, Fulton Co. (Strode)

;

Southern Illinois (Ulffers).

Polygyra pennsylvanica Green.

Northern Illinois (Calkins) ; La Salle Co. (Calkins, Huett)

;

Joliet, Will Co. (Ferriss, Handwerk) ; La Salle Co. (Ferriss,

Marsh) ; Washington and Jackson counties (Hinkley) ; Hamilton,
Hancock Co. (Lyon) ; Fulton Co. (Wolf).

Polygyra thyroides Say.

Cook Co. (Baker, Higley, Jensen) ; Northern Illinois (Calk-

ins) ; La Salle Co. (Calkins, Huett) ; Joliet, Will Co. (Ferriss,

Handwerk) ; Washington, White, and Hardin counties (Hink-



117

ley); Union Co.; Hamilton, Hancock Co. (Lyon); Mercer ('o.

(Marsh); Athens, Menard Co. (Nason); Southern Illinois

(Ulffers); Fulton Co. (Wolf); Grand Tower, Jackson CV).

(Woodruff) ; Havana, Mason Co. ; Urbana, Champaign Co. ;

Peoria, Peoria Co. (State Laboratory).

Polygyr'a clausa Say.

Oregon, Ogle Co. ( Baker) ; Northern Illinois (Calkins); La
Salle Co. (Calkins, Huett) ; Joliet,Will Co.(Ferriss, Handwerk) ;

Kappa, Woodford Co. (Hart) ; Winnebago and Washington
counties (Hinkley) ; Cook Co.; Willow Springs, Cook (-o. (Jen-

sen) ; Mercer Co. (Marsh) ; Chicago, Cook Co. ; Canton, Fulton

Co. (Nason) Fulton Co. (Wolf); Cairo, Alexander Co. (State

Laboratory).

Polygyra mitchelliana Lea.

Starved Rock, La Salle Co. (Baker) ; La Salle Co. (Calkins)

;

Mercer Co. (Marsh); Spoon River, Fulton Co. (Strode).

Section Hlenotrema Rafinesque.

Polygyra stenotrema Ferussac.

McHenry Co. (Pilsbry ).

Polygyra hirsuta Say.

Oregon, Ogle Co. (Baker) ; Cook Co. (Baker, Higley) ; North-

ern Illinois (Calkins); La Salle Co. (Calkins, Huett ); Joliet,

Will Co. (Ferriss, Handwerk) ; Kappa, Woodford Co. (Hart);

Winnebago, Jackson, and Washington counties (Hinkley);

Henderson (Jo. (Marsh) ; Canton, Fulton Co. (Nason) ; Southern

Illinois (Differs); Grand Tower, Jackson Co. (Woodruff); Ur-

bana, Champaign Co. (State Laboratory).

Polygyra monodon Hackett {= leai Ward).

Cook Co. (Baker, Higley) ; Northern Illinois (Calkins); La

Salle Co. (Calkins, Huett, Marsh) ; Stark Co. (CUiase) ; Joliet,

Will Co., Utica, La Salle Co. ( P'erriss, Handwerk) ; Cass C\).

(Gratacap); Willow Springs, Cook Co. (Jensen); Mercer Co.

(Marsh); Algonquin, McHenry Co. ; Athens, Menard Co. (Na-

son) ; Fulton Co. (Wolf) ; Havana, Mason Co. ; Normal, McLean

Co. (State Laboratory).

Polygyra monodon fraterna Say.

La Salle Co. ((Calkins); Joliet, Will Co. (Ferriss); Evanston,

Cook Co. (Higginson) ; Vermilion Co. (Marsh); Algonquin,



lis

McHenry Co. ; Chicago, Cook Co. ; Canton, Fulton Co. (Nason)

;

Southern Illionis (Ulffers); Fulton Co. (Wolf); Grand Tower,

Jackson Co. (Woodruff); Makanda, Jackson Co. (State Labora-

tory).

Family ACHATINIDt^.

Genus Opkas Albers.

Opeas niauritianuni Pfeift'er,

Garfield Park greenhouse, Chicago, Cook Co. (Hood, Zetek).

Superfamily Agnatha.

Family TESTACELLID^.

Genus Testacella Cuvier.

Testacella hallotidea Ferussac.

Chicago, in greenhouses, Lincoln Park (Baker).

Superfamily Agnathomorpha.

Family CIRCINARIID^.

Genus Circinaria (Beck) Pilsbry.

Circinaria concaina Say.

Oregon, Ogle Co. ; Evanston, Cook Co. (Baker); Cook Co.

(Baker, Jensen, Nason) ; Northern Illinois (Calkins) ; La Salle

Co. (Calkins, Huett) ; Kankakee Kiver, Joliet, Will Co. ; Utica,

La Salle Co. (Ferriss) ; Kappa, Woodford Co. (Hart) ; Winne-
bago, White, and Jackson counties (Hinkley) ; Hamilton Co.

(Lyon); Mercer Co. (Marsh); Athens, Menard Co. ; Canton,

Fulton Co. (Nason) ; Fulton Co (Wolf) ; Grand Tower, Jackson

Co. (Woodruff); Urbana, Champaign Co. (State Laboratory).

Superfamily Aulacopoda.

Family ZONITID^.

Subfamily ZONITIN-<E.

Genus Omphalina Rafinesque.

Omphalina fuliginosa Griffith.

Maywood, Cook Co. (Higley) ; Williamson Co. (Hinkley)
;

Oobden, Union Co. (Lyon) ; Gallatin (Jo. (Marsh) ; Grand Tower,
Jackson Co. (Woodruff).



119

Omphalina inornata Say.

La Salle Co. (Calkins).

Omphalina lacujata Pfeifi'er.

Illinois (Binney, Bland); Edgar Co. (Marsh).

Omphalina friahilis W. G. Binney.

Southern Illinois (Binney, Pilsbry) ; Shelby Co. (Marsh).

Genus Vitrina Draparnaud.

Vitrina limpida Gould.

La Salle Co. (Marsh).

Genus Vitrea Fitzinger.

Vitrea draparnaldi Beck.*

Chicago, greenhouses in Lincoln Park (Baker).

Vitrea hammonis Strum (= 7'adiatula Alder, eleatrina Gould, virid-

ula Menke).

Cook Co. (Baker, Nason) ; Joliet, Will Co. (Ferriss) ; Mercer

Co. (Marsh); Elgin, Kane Co.; Algonquin, McHenry Co.;

Athens, Menard Co. (Nason) ; Fulton Co. (Wolf) ; Havana, Ma-

son Co. (State Laboratory).

Vitrea loheatleyi Bland.

Washington Co. (Hinkley) ; Fulton Co. (Marsh).

Vitrea cellaria Miiller.

Chicago, Cook Co., in greenhouses, Lincoln Park (Baker, C'alk-

ins) ; Rockford, Winnebago Co., in greenhouses (Hinkley) ; La

Salle Co. (Marsh).

Section Gh/phi/aliiKi Martenn.

Vitrea indentata Say.

Cook Co. (Baker, Jensen, Nason) ; Joliet, Will Co. (Ferriss)
;

Southern Hlinois (Hinkley); Henderson Co. (Marsh); Elgin,

Kane Co.; Algonquin, McHenry Co.; Athens, Menard (Jo. (Na-

son) ; Fulton Co. (Wolf).

Genus Euconulus Keinhardt.

Euconulus fulvus Draparnaud.

. Cook Co. (Baker, Jensen, Nason); Northern Hlinois (Calk-

*yitrea alUunm Miiller haa been reported from the greenhouses of Chicago by Calkins

and Gratacap, but the record has not been substantiated by later collectors.

The specimens so identilied might have been either ceWirin or drnparunldi, which

are common in the greenhouses of Chicago.



120

ins) ; Joliet, Will Co. ; Utica, La Salle Co. (Ferriss) ; Winneba-
go and Washington counties (Hinkley

)
; Mercer (^o. (Marsh);

Algoncjuin, McHenry Co.; Athens, Menard Co. (Nason).

Eucouulus t'xlvits mortoni Jeffries.

Huntley, McHenry Co. (Ferriss).

EuGomdus chersinus Say.

Cook Co. (Baker); Algonquin, McHenry Co. (Nason) ; Fulton

Co. (Wolf).
Subfamily ARIOPHANTIN^E.

Genus Zonitoides Lehmann.

Zonitoides nitidus Miiller.

Oregon, Ogle Co. (Baker) ; Cook Co. (Baker, Higley, Jensen)

;

Northern Illinois ((-alkins) ; Joliet, Will Co. (Ferriss) ; Union
Co. (Lyonj; Will Co. (Marsh); Algonquin, McHenry Co. (Na-

son); Grand Tower, Jackson Co. (Woodruff); McHenry Co.

(State Laboratory).

Zonitoides arhoreus Say.

Oregon, Ogle Co. (Baker) ; Cook Co. (Baker, Higley, Jensen,

Lyon); Northern Illinois (Calkins); La Salle Co. (Calkins,

Huett) ; Peoria Co. (Chamberlain); Joliet, Will Co. (Ferriss);

Lemont, Cook Co. (Higley) ; common throughout the state

(Hinkley) ; Union Co. (Lyon) ; Mercer Co. (Marsh) ; Elgin, Kane
Co.; Algonquin, McHenry Co.; Athens, Menard Co. (Nason);
Fulton Co. (Wolf) ; Havana, Mason Co. (State Laboratory).

Section Piteudohyalina Morse.

Zonitoides Umatulus Ward.
Washington Co. (Hinkley) ; Hamilton Co. (Marsh).

Zonitoides nilnusculus Binney.

Cook Co. (Baker, Jensen, Nason); Northern Illinois (Calk-

ins)
; Joliet, Will Co. ; Utica, La Salle Co. (Ferriss) ; Du Bois,

Washington Co. (Hinkley); Mercer Co. (Marsh); Algonquin,
McHenry Co. ; Athens, Menard Co. (Nason); Canton, Fulton
Co. (Nason, Wolf) ; Havana, Mason Co. (State Laboratory).

Zonitoides miliufn Morse.

McHenry Co. (Marsh).



121

Genus Gastrodonta Albers.

Gastrodonta Ugera Say.

Joliet., Will Co. ; Utica, La Salle (^o. (Ferriss) ; Cook Co. (Hig-

ley); Williamson Co. (Hinkley)
; Vermilion Co. (Marsh).

Gastrodonta intertexta Binney.

White Co. (Hinkley); Vermilion Co. (Marsh).

Gastrodonta demissa Binney.

Northern Illinois ((-alkins); Cook Co. (Higley); Du Bois,

Washington Co. (Hinkley).

Gastrodonta gularis Say.

Northern Illinois (Calkins).

Gastrodonta interna Say.

Macoui)in ( ^o. (Marsh).

Family LIMACID^.

Genus Limax Linne.

Limax maxlmus Linne.

Chicago, greenhouses in Lincoln Park (Baker).

Limax Havus Linne.

Chicago, greenhouses in Lincoln Park (Baker).

Genus Agriolimax Morch.

Agriolimax campestris Binney.

Cook Co. (Baker, Lyon) ; Mercer Co. (Marsh) ; Urbana, Cham-
paign Co. ; Normal, McLean Co. ; Havana, Mason Co. (State Lab-

oratory).

Agriolimax agrestis Linne.

Mercer Co. (Marsh).

Family PHILOMYCID^.

Genus Philomycus (Rafinesque) Ferussac.

Ph'doniycus carolinensls Bosc.

Cook Co. (Baker); Union Co. (Lyon); Mercer Co. (Marsh);

Bernadotte, Spoon River, Fulton Co. ; White Heath, Champaign
Co. ; Golconda, Pope Co. ; Anna, Union Co. ; Savanna, Carroll

Co. (State Laboratory).



122

Family ENDODONTID^.
Subfamily ENDODONTINiE.

Genus Pyramidula Fitzinger.

Subgenus Pa tula Held.

Pyramidula alternata Sa,y(— var. viordax of authors, not of Shuttle-

worth).

Oregon, Ogle Co. (Baker) ; Cook Co. (Baker, Higley, Lyon)

;

Northern Illinois (Calkins); La Salle Co. (Calkins, Huett)

;

Joliet, Will Co. (Ferriss, Handwork); Winnebago and Wil-

liamson counties (Hinkley) ; Albion, Edwards Co. (Hodgson);

Union Co. (Lyon); Mercer Co. (Marsh) ; Elgin, Kane Co. ; Al-

gonquin, McHenry Co. ; Athens, Menard Co. (Nason) ; Spoon

River, Fulton Co. (Strode); Southern Illinois (Differs); Fulton

Co. (Wolf) ; Du Page Co. ; Grand Tower, Jackson Co. (Wood-

ruff); Normal, McLean Co.; Peoria, Peoria Co.; Bernadotte,

Fulton Co.; Bloomington, McLean Co.; Panola, Woodford Co.;

Towanda, McLean Co. (State Laboratory).

Py7'amidula solitaria Say.

Northern Illinois (Calkins) ; La Salle Co. (Calkins, Huett)

;

Joliet, Will Co. (Ferriss, Handwork); Cook Co. (Higley) ; Du
Bois, Washington Co. (Hinkley) ; Will Co. (Marsh) ; Macon Co.

(Nason); Fulton Co. (Wolf).

Subgenus Oonyodiscus Fitzinger.

Pyraifnidiila striatella Anthony.

Cook Co. (Baker, Higley, Jensen) ; Northern Illinois (Calk-

ins) ; La Salle Co. (Calkins, Huett) ; Peoria Co. (Chamberlain)

;

Stark Vjo. (Chase) ; Joliet, Will Co. (Ferriss, Handwork) ; Mer-

cer Co. (Marsh) ; Elgin, Kane Co. ; Algonquin, McHenry Co.

(Nason) ; Fulton Co. (Wolf).

Pyramidula perspectiva Say.

Northern Illinois; La Salle Co. (Calkins) ; Southern Illinois

(Hinkley) ; Union Co. (Lyon) ; Mercer Co. (Marsh) ; Brown Co.

(Nason) ; Canton, Fulton Co. (Nason, Wolf) ; Southern Illinois

(Ulff'ers) ; Grand Tower, Jackson Co. (Woodruff) ; Cairo, Alex-

ander Co. (State Laboratory).



123

Genus Helicodiscus Morse.

HellcodisGus Uneatus Say.

Oregon, Ogle Co. (Baker) ; Cook Co. (Baker, Higley, Jensen,

Lyon, Nason, Woodruff) ; Cook Co. ; Northern Illinois (Calkins)
;

La Salle Co. (Calkins, Huett) ; La Salle Co. ; Joliet, Will Co.

(Ferriss) ; Winnebago and Washington counties (Hinkley) ;

Mercer Co. (Marsh); Elgin, Kane Co. ; Algonquin, McHenry
Co. ; Athens, Menard Co. (Nason) ; Fulton Co. (Wolf)*; Havana,

Mason Co. (State Laboratory).

Subfamily PUNCTINiE.

Genus Punctum Morse.

Punctual pygnueum, Draparnaud.

Joliet, Will Co. ; Huntley, McHenry Co. (Ferriss) ; Joliet,

Will Co. (Handwerk) ; Du Bois, Washington Co. (Hinkley);

Cook Co. (Jensen) ; Will Co. (Marsh).

Genus Sphyradium Charpentier.

Sphyradium edentiihim I)ra,pa,Tna,nd {= Vertigo simplex Gould).

Eastern Hlinois (Marsh); Canton, Fulton Co. (Nason, Wolf).

*S(enotre)iia Imeata Say is recorded by Wolf from Fulton County. Hehcodisoix Uneatus

is probably what was meant. (See Am. Journ. Conch., VI., p. 27.)



BIBLIOGRAPHY.*
Adams, C. C.

'92. Mollusks as Catfish Food. Nautilus, Vol. V., p. 1'27.

Anonymus.
'84. List of the Unionidge of the Gould Collection. Thirty-

fifth Ann. Rep. N. Y. State Mus. Nat. Hist., 1881, p. 68.

'84a. List of Shells presented to the State Museum by Dr.

James Lewis, March 15, 1875. Thirty-fifth Ann. Rep. N. Y.

State Mus. Nat. Hist., 1881, p. 112.

'95. Planorbis sampsoni Ancey in Illinois. Nautilus, Vol. IX.,

p. 36.

'06. Output of American Pearls. Nautilus, Vol. XX., p. 9.

Anthony, J. G.

'60. Descriptions of New Species of American Fluviatile Gas-

teropods. Proc. Acad. Nat. Sci. Phila., 1860, p. 55.

Baker, F. C.

'96. On the Correct Position of the Aperture in Planorbis.

Journ. Cin. Soc. Nat. Hist., Vol. XIX., p. 45.

'97. On a Collection of Mollusks from Grand Tower, Illinois.

Nautilus, Vol. XL, p. 28.

'97a. On the Pulsations of the Molluscan Heart. Journ.

Cin. Soc. Nat. Hist., Vol. XIX., p. 73.

'97b, Notes on Radulj©. Journ. Cin. Soc. Nat. Hist., Vol.

XIX., p. 81.

'97c. Collecting about Chicago. Sports Afield, Vol. XIX., No.

2, Aug.
'98. A Day on the Chicago Drainage Canal. Nautilus, Vol.

XIL,p. 63.

'98a. A New Sphserium. Nautilus, Vol. XIL, p. 65.

'98 -'02. The Mollusca of the Chicago Area. The Pelecypoda.

1898. The Gastropoda. 1902. Parts I. and II. Bull. No.

III., Nat. Hist. Surv. Chicago Acad. Sci.

'99. Notes on the Mollusks of Lilycash Creek, Nautilus, Vol.

XIIL, p. 30.

*This list of references to publications on Illinois Mollusca is believed to be meas-
urably complete. Absolute completeness can not be claimed for it, as it is possible

that some references have escaped the writer's notice, owing to inaccessible or ob-

scure publication. It is believed, however, to embrace all of the more important ref-

erences.

124



1'25

'00. A Revision of the Phys.v of Northeastern Illinois. Nau-
tilus, Vol. XIV., p. 16.

'00a. Mollusks in Grass. Nautilus, Vol. XIV., p. 93.

'01. New Varieties of Fresh-water Shells. Nautilus, Vol. XV.,

p. 17.

'Ola. Limn.va auricularia in America. Nautilus, A'ol. XV.,

p. 59.

'01b. The Digitations of the Mantle in Fhysa. Bull. Chicago

Acad. Sci.^ Vol. II., p. 225.

'01c. Description of a New Species of Limnn'a. Bull. Chicago

Acad. Sci., Vol. II., p. 229.

'Old. A Revision of the Lirana^as of Northern Illinois. Trans.

St. Louis Acad. Sci., A^ol. XL, p. 1.

'03. Shell Collecting on the Mississippi. Nautilus, A"ol. XVI.,

p. 102.

'04. Spire Variation in Fyramidnla alternata. Am. Nat.,

Vol. XXXVIII.
, p. 66L

'04a. Notes on Flanorbis truncatus Miles. Trans. St. Louis

Acad. Sci., Vol. XIV., p. 107.

'04b. New Varieties of American Limn;^as. Nautilus, Vol.

XVIII.
, p. 10.

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'52, '57. The Terrestrial Air-breathing Mollusks of the United

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126

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'58, '62. Remarks on Certain Species of North American

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127

'80. Valley Naturalist, St. Louis, Vol. II.,

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'95. A Study of the Unionida' of Arkansas, with incidental

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'45. Bibliotheque Conchyliologique. Tome III.

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'79. Die Familie der Cycladeen. Conch. Cab., Ed. 2, 1879.

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128

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'02. A Large Pearl. Nautilus, Vol. XVI., p. 60.



129

Hoy, P. R.

'73. Deep-water Fauna of Lake Michigan. Ann. Mag. Nat.

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'52. A Catalogue of Shells contained in the Collection of John
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'55. Catalogue of Animals observed in Cook County, Illinois.

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'48. Die Flussperlmuscheln ; Unio, etc. Conch. Cab., Ed. 2,

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'98. A Brief History of the Gathering of B'resh-water Pearls in

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130

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'78. On Unio subrostratus Say. Proc. Acad. Nat. Sci. Phila.,

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'87 -'88. Brief Notes on the Land and Fresh-water Shells of

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'06. A New Subspecies of Polygyra multilineata Say. Nautilus,

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'86. Notes on some Eastern Iowa Snails. Am. Nat., Vol. XX.,

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'89. Nomenclature and Check-list of North American Land
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'96. New American Ancylidse. Nautilus, Vol. IX., p. 137.

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'98. Notes on New and Little-known Amnicolidas. Nautilus,

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'99. New American Land Shells. Nautilus, Vol. XIL, p. 101.

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131

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'62. Monograph of the Species of Spha^rium of North and South

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'95. The Classification and Geographical Distribution of the

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;

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'98. The Mussel Fishery and Pearl-button Industry of the Mis-

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'81. Observations on Planorbis. Proc. Acad. Nat. Sci. Phila.,

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'89. Pupa Holzingeri, n. sp. Nautilus, Vol. III., p. 37.



132

'89a. Pupa Holzingeri. Nautilus, Vol. III., p. 96.

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'92. Some Notes on North American Forms of Vallonia. Nau-

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'93. Observations on Vallonia. Proc. Acad. Nat. Sci. Phila.,

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'99a. Pisidium handwerki, n. sp. Nautilus, Vol. XIII., p. 90.

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'65. Researches upon the Hydrobiinae and Allied Forms;

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'95a. Helices in Illinois. Nautilus, Vol. IX., p. 28.



133

'96. The Size of Mussels. Nautilus, Vol. IX., p. 115.

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'65. Catalogue of the Species of Limn^ea inhabiting the United
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INDEX

Acella, 103.

Achatinidfe, 118.

Agnatha, 118.

Agnathomorpha, 118.

Agriolimax, 121.

Akteophila, 109.

Alasmidonta, 75.

Albinula, 111.

Amnicola, 92.

Amnicolidfe, 92.

Anculosa, 98.

Ancylida3, 101.

Ancylus, 101.

Angitrema, 95.

Angustula, 112.

Anisopleura, 88.

Anodonta, 72.

Anodontoides, 73.

Aplexa, 101.

Arcidens, 74.

Ariophantinte, 120.

Armiger, 109.

Aulacopoda, 118.

Auriculidse, 109.

Basommatophora, 99.

Bifidaria, 111.

Bythinia, 92.

Bythiniinte, 92.

Calyculina, 84.

Campeloma, 89.

Carunculina, 67.

Carychiura, 109.

Cincinnatia, 93.

Circinaria, 118.

Circinariidfe, 118.

Cochlicopa, 113.

Cochlicopidaj, 113.

Corneocyc]as, 85.

Crenodonta, 78.

Cyprogenia, 71.

Cyrenacea, 82.

Diagenre, 71.

Digenae, 70.

Dromu.s, 71.

Dysnomia, 63.

E

Elasmognatha, 113.

Elliptic, 76.

Endodontidie, 122.

Endodontinie, 122.

Eschatigena', 71.

Euconulus, 119.

Eurynia, 65.

Euthyneura, 99.

Ferrigsia, 101.

Galba, 103.

Gastrodonta, 121.

Gastropoda, 88.

Glyphyalina, 119.

Goniobasis, 97.

Gonyodiscus, 122.

Gundlachia, 102.

Gyraulus, 108.

H

Helicidie, 114.

Helicina, 88.

Helicinidte, 8?

134



135

Helicodiscus, 123.

Helisoma, 106.

Hemilasteua, 76.

Heterogen;e, 63.

Heterurethra, 11.3.

Hippeutis, 108.

Holopoda, 114.

Homogense, 72.

Hydrobiina^, 92.

Hygrophila, 99.

La'vapex, 101.

Lampsilis, 64.

Lasmigona, 74.

Lastena, 73.

Limacida', 121.

Limax, 121.

Lioplax, 89.

Lithasia, 95.

Lvmnjea, 102.

Lymn;eid;e, 102.

Lymna'in;o, 102.

M

^largaritana, 76.

Menetus, 108.

Mesogenas, 71.

Micromya, 64.

Monotremata, 110.

Musculium, 84.

N

Naiadacea, 63.

Obliquaria, 71.

Obovaria, 69.

Omphalina, 118.

Opeas, 118.

Orthurethra, 110.

Paludestrina, 94.

Patula, 122.

Pelecypoda, 63.

Philomycida>, 121.

Philomycns, 121.

Physa, 99.

Physida;, 99.

Pierosoma, 107.

Pilea, 63.

Pisidium, 85.

Plagiola, 69.

Planorbella, 107.

Planorbina, 106.

Planorbina', 106.

Planorbis, 106.

Planorbula, 109.

Plethobasus, 77.

Pleurobema, 77.

Pleurocera, 96.

Pleurocerid;e, 95.

Polygyra, 114.

Polygyrin», 114.

Pomatiopsinte, 95.

Pomatiopsis, 95.

Pressodonta, 75.

Prionodesmacea, 63.

Proptera, 68.

Proaobranchiata, 88.

Pseudohyalina, 120.

Pseudoon, 69.

Pterosygna, 75.

Ptychobranchus, 71.

Ptychogena-, 71.

Puhiaonata, 99.

Punctince, 123.

PuDctum, 128.

Pupidffi, 110.

Papilla, 112.

Pupoides, 110.

Pyramidula, 122.

Pyrgulopsis, 95.

Qiiadrula, 78, 79.



136

Radix, 102.

Rhipidoglossa, 88.

Rotundaria, 81.

Rugifera, 75.

Scalenaria, 63.

Segmentina, 109.

Sigmurethra, 114.

Somatogyrus, 94.

SphaTiid*, 82.

Sphajrium, 82.

Sphyradium, 123.

Stagnicola, 104.

Stenotrema, 117.

Strobilops, 110.

Strophitus, 71.

Stylommatophora, 110.

Succinea, 113.

Succineidfe, 113.

Symphynota, 74.

Ta'nioglossa, 88.

Teleodesmacea, 82.

Testacella, 118.

Testacellidte, 118.

Tetragente, 78.

Theliderma, 79.

Torquis, 108.

Triodopsis, 114.

Tritogonia, 70.

Truncilla, 63.

U

Unio, 76.

Uniomerus, 77.

Unionidie, 63.

Vallonia, 110.

Valloniidpe, HO.

Valvata, 91.

Valvatida-, 91.

Vasopulmonata, 110.

Vertigo, 112.

Vertigopsis, 112.

Vitrea, 119.

Vitrina, 119.

Vivipara, 88.

Viviparidse, 88.

Zonitida', 118.

Zonitina^ 118.

Zonitoides, 120.