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JOURNAL
of the
Academy of Natural Sciences
of
PHILADELPHIA.
No. 2.
JUNE. 1817.
Vol. I.
Description of Seven Species of American Fresh Water and Land Shells, not noticed in the systems. By Thomas Say.
(Concluded.)
Genus HELIX.
Shell subglobose, suborbicular, broader than long; spire convex; aperture wider than long, diminished above by the convexity of the penultimate whorl.
Species.
H. Hirsuta.
Lister. Tab. 93. f. 94?
Inhabits moist places. Common.
Vol. I.
B
