...Bulletin no.1 (Mid-page 41)


LAND AND FRESH WATER MOLLUSCA OBSERVED IN FRANKLIN COUNTY, INDIANA.


By D. R. Moore and A. W. Butler.


This article presents such species of Land and Fresh Water Mollusca as have been identified by the authors while engaged in their investigations in other fields. No systematic collecting has been done. It is hoped that this list will be of assistance to some one, in completing the work here begun in the Malacological fauna of this County.
Our thanks are due R. M. Byrnes, M. D., of Cincinnati, O., for assistance in identifying some of the species.

UNIVALVES.
ORDER PULMONATA.
SUB-ORDER GEOPHILA.
FAMILY HELICIDÆ.
SUB-FAMILY VITRINIDÆ.
GENUS MACROCYCLIS.
Macrocyclis concava, Say. Common in woody places on the hills along the East and West forks of Whitewater River.

GENUS ZONITES.
Zonites fuliginosus, Griffith. Common on hillsides along all our streams.
lævigatus, Pfr. Not so common as the preceeding.
arboreus, Say. Found under bark of hickory trees. Not common.
fulvus, Drap. Plentiful.
minusculus, Binn. Scarce.
identatus, Say. Scarce.
viridulus, Menke. Very common.


42 Land and Fresh Water Mollusca in Franklin County.

GENUS LIMAX.

Limax campestris, Binn. Common.

SUB-FAMILY HELICINÆ.
GENUS HELIX.
Sub-Genus Patula.
Patula solitaria, Say. Very common.
alternata, Say. Very common.
perspectiva, Say. Found in colonies under shelter of stones, or other bodies, in abundance.
striatella, Anth. Not common.

Sub-Genus Strobila.
Strobila labyrinthica, Say. Scarce.

Sub-Genus Stenotrema.
Stenotrema hirsutum, Say. Common in the woods.
monodon, var. leaii, Ward. Common.
var. fraterna, Say. Rather common.
stenotrema, Fer. Very common.

Sub-Genus Triodopsis.
Triodopsis palliata, Say. Fine specimens in marshy places.
inflecta, Say. Common.
tridentata, Say. Very common.
fallax, Say. Only a few dead specimens taken.

Sub-Genus Mesodon.
Mesodon albolabris, Say. Found generally over the County.
pennsylvanica, Green. Found in two localities near Brookville.
elevata, Say. Abundant.
exoleta, Binn. Common throughout the County.
thyroides, Say. Not plentiful.
clausa, Say. Found along our rivers above high water line.
mitchelliana, Lea. Once plentiful four miles North-west of Brookville, in the Whitewater bottom, (West Fork), but since the high water of 1883, have not been found.
profunda, Say. A few are found in our dense, damp woods.
multilineata, Say. Found in one place in Springfield Township.

Sub-Genus Vallonia.
Vallonia pulchella, Muller. Common.
var. costata, Muller. Common.


Land and Fresh Water Mollusca in Franklin County. 43

SUB-FAMILY PUPINÆ.
Genus Pupa.

Pupa armifera, Say. Common.
contracta, Say. Common.
corticaria, Say. Common.
rupicola, Say. A few taken.

SUB-FAMILY SUCCININÆ.
GENUS SUCCINEA.
Succinea avara, Say. Not common.

SUB-FAMILY PHILOMYCIDÆ
GENUS TEBENNOPHORUS.
Tebennophorus carolinensis, Bosc. Common everywhere.

SUB-ORDER LIMNOPHILA.
FAMILY AURICULINAE.
GENUS CARYCHIUM.
Carychium exiguum, Say. Very common.

FAMILY LIMNÆIDÆ.
GENUS LIMNÆa.
Limnaea palustris, Muller. Not common.
humilis, Say. Found near Laurel.

GENUS PHYSA.
Physa heterostropha, Say. Abundant.
integra, Hald. Common in a branch of Big Cedar Creek in Springfield Township.
gyrina, Say. Not uncommon.

GENUS PLANORBIS.
Planorbis trivolvis, Say. Common.
bicarinatus, Say. Found in Hydraulic Canal, and in ponds at Laurel Quarries.

ORDER PROSOBRANCHIATA.
FAMILY RISSOIDÆ.
GENUS SOMATOGYRUS.
Somatogyrus isogonus, Say. Found in Canal.

FAMILY STREPOMATIDAE.
GENUS GONIOBASIS.
Goniobasis semicariniata, Say. Very common in Canal.


44 Two Hours Among the Fossils of Franklin County.

BIVALVES.
FAMILY NAIADÆ.
Sub-Genus Unio.

Unio pressus, Lea. Scarce.
multiplicatus, Lea. Scarce.
plicatus, Le S. Scarce.
lacrymosus, Lea. Plentiful.
occidens, Lea. Plentiful.
luteolus, Lam. Common.
parvus, Barnes. Very abundant.

Sub-Genus Margaritana.
Margaritana complanata, Lea. Plentiful.
marginata, Say. Very rare.
rugosa, Lea. Rare.

Sub-Genus Anodonta.
Anodonta ferussaciana, Lea. Not common.
imbecilis, Say. Common.
decora, Lea. Common.
plana, Lea. Very common.

FAMILY CORBICULADÆ.
GENUS SPHÆRIUM.
Sphærium solidulum, Prime. Very Common.


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