59 



y 



Kr im the Proceedings of the Academy of Natural Sciences of Philadelphia, 19(51, p. 333, et. seqcj 



CatalogTie of land and fresh water univalve MOLLTJSKS collected in British 

 America by Messrs. Boss, Kennicott and Drexler, and deposited in the Smith- 

 sonian Collection. 



BY W. G. 



From English River. 

 Helix arborea Say. 

 chersina Say. 

 striatella Anthony. 

 Bulimus harp I Say. 

 Acliatina lubrica MiiU. 

 Limnaea jugularis Say. 

 appres?a Say. 

 ampla Mighels. 

 palustris Lin. 

 Pbysa heterostroplia Say. 



hypnorum Lin. 

 Planorbis trivolvis Say. 



From Fl. Simpson, on 3fackerme^s River, 



Huccineti av.ira Say. 



lincata W. G. B. ? 

 Iiimn^ea appressa Say. 



palustris Lin. 

 Planorbis trivolvis Say. 

 parvus Say. 



From Fort Resolution, Slave Lake. 

 Succinea Haydeni W. G. B., var. minor. 

 Physa hypnorum Lin. 



From Hudson's Bay. 

 Limnaea appressa Say. 

 palustris Lin. 

 taperata Say? 



BINNEY. 



From James' Bay. 



Succinea oralis Gld., noa Say? 

 Bulimus harpa Say. 



Physa ? 



Planorbis armigerus Say. 



From Moose Fort. 



Limnaea n. sp. ? 



From Moose Factory. 



Vitrina limpida Gld. 

 Succinea ovalis Gld. non Say, 



obliqua Say. 

 Helix arborea Say. 



striatella Anthony. 

 labyrinthica Say. 

 monodon Rackett 

 young albolabris or thyroides. 

 Achatina lubrica Mull. 

 Limnaea palustris Lin. 

 appressa Say. 

 Physa heterostropha Say. 

 Planorbis bicarinaius Say. 



parvus Say. 

 Amnicola lustrica Say. 

 porata Say. 

 limosa Say. 

 Valvata tricarinata Say. 



[Oct. 



