367 



Amia, Linn, 



amia calva. Dos; Fish. Milwaukee. 



Lepisosteus, Lacepede. 



osseus, Linn. Gar Fish. Rock River. 



CAKTILAGINOUS, 



AciPENSER, Linn. 



rubicundus, Lesueur. Sturgeon. Milwaukee. L. Winnebago. 



MOLLUSCA. 



OEDER GASTEROrODA. 



Ancylus, Muller. 



rivularis, Say. Milwaukee and Rock Rivers, 

 diaphanus, Hald. Milwaukee River. 



ViTRiNiA, Draparnaud. 



pellucida, Drap. N. W. Territory, (Mr. Say.) 



Helix, Linn. 



albolabris, Say. Milwaukee. Menasha. Two Rivers. Sheboygan. 



alternata, Say. Milwaukee. Two Rivers. Sheboygan. 



arborea, Say. Milwaukee. Madison. Two Rivers. Sheboj'gan. 



chersina, Say. N. W. Territory, (Mr. Say.) 



concava, Say. N. W. Territory, (Binney.) 



fraterna, Sav. Manitowoc. 



hirsuta, Say. Milwaukee. Sheboygan. 



labyrinthica, Say. Milwaukee. Two Rivers. Shebovgan. 



lineata, Sav. Milwaukee. Two Rivers. Sheboyo-an. 



ligera, Say. N. W, Territory, (Mr. Say.) 



nionodon, Racket. Milwaukee. Manitowoc. Shebovsan. 



multilineata, Say. Milwaukee. Madison. 



perspectiva, Say. Milwaukee. Madison. « Two Rivers. 



profunda. Say. Milwaukee. Manitowoc. Sheboygan. 



porcina, Say. N. W. Territory, (Mr. Say.) 



Pupa, Lamarck. 



armifera. Say. Milwaukee. 



corticaria. Say. Milwaukee. 



ovata, Say. [P. Modesta, Immatine.] Milwaukee. 



SucciNEA, Draparnaud. 



obliqua, Say. Milwaukee. Two Rivers, 

 avara, Say. N. W. Territory, (Mr. Say.) 



