NORTH AMERICAN CONCHOLOGT. 



389 



[Proceedings of the Acad, of Nat. Sci. of Philad., n. s. — contimced.'\ 



1857. 



Ifame. 



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193 



1858. 

 March. 



13,14 



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40 



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Helix Vancouverensis 

 egena Sat/. [Lea. 



fallax Say. 

 minutissima Lea. 

 costata Aliill. 

 giaphyra Say. 

 saxicola Gld. non Pfr. 

 lucubrata Binney lion 

 subplana Binn. [Say. 

 intertexta Binney. 

 septemvolva Say. 

 suppressa Say. 

 plicata Say. 

 leporina Gould. 

 maxillata Gould. 



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Kame. 



Helis: Bufioniana Pfr. 



iuflecta Say. 



polychroa Binney. 



selenina Gould. 



tenuistriata Binney. 



auriculata Say. 



elevata Say. 



stenotrema Fer. 

 Bulimus dealbatus Say. 

 Achatina pellucida Pfr. 

 Bulimus virgulatus Pfr. 

 Glandina truncata Binney. 

 Helicina orbiculata Say. 



chrysocheila Binney. 



Notes on Say's types of American Land Shells in the Academy's 

 collection. 



Locality. 

 43° N., 37° W. and 50° 

 N., and Fort Clark, 

 Upper Missouri, &c 



I. Lea. — Notes on the Geographical distribution of — 



Ilame. 

 Unio rubiginosus Lea. 



luteolus Lam. 



laevissimuB Lea. 



occidens Lea. 



anodontoides Lea, 



asperrimus Lea. 



elegans Lea. 



rectus Lavi, 



zigzag Lea, 



alatus Say. 



undulatua Barnes. 

 Anodonta Ferussaciana Lea. 



decora Lea. 

 Margaritana complanata Lea. 



L<ea. — Descriptions of new species of Unio from Tennessee 

 Alabama, and North Carolina: by Isaac Lea. 



Unio turgidulus Lea. 



perradiatuB Lea. 

 Meredith!! Lea. 

 Pybasii Lea. 

 virescens Zea. 

 Neusensis f-jca. 

 puruB Lea. 

 ezacutus Lea. 



Cumberland riv.. Ten. 



and Florence, Ala. 

 Florence, Ala. 

 Tenn. r., Florence, Ala 

 Tenn. r., Florence, Ala 

 Tenn, r., Florence, Ala. 

 Neuse river, N. C. 

 Neuse river, N. C. 

 Neuse river, N. C. 



