NORTH AMKRICAN CONCHOLOGY. 



4o: 



Page. 



Name. 



155 



TJnio siliquoides Barnes. 



155 



inflatus Barnes. 



155 



complanatus Lea. 





U. purpureus Say. 



155 



crassus Sai/. 



155 



radiatus Barnes. 



155 



occidens Lea. 





U. ventricosus Say. 



156 



ventricosus Barnes. 



156 



alatus Say. 





Symphynota alata Lea. 



156 



gracilis Barnes. 





Symphynota gracilis Lea 



Locality. 

 Upper Missouri river. 

 Upper Missouri river. 

 Lake Vaseux. 



Upper Missouri river. 

 Lake Vaseux. 

 Wisconsin river, &c. 



Upper Missouri river. 

 Upper Missouri river. 



Upper Missouri river. 



Tuflt§. — A List of Shells collected at Swarapscot, Lynn, and 

 vicinity: by Samuel Tufts, Jr. (From Proceedings of Essex 

 Institute, vol. i, p. 25. Salera, Mass., 1856.) 



[No descriptions are given, but notes on locality, &c. — W. Gr. B.] 



26 Teredo dilatata St. 



26 Pholas crispata. 



26 costata ? 



26 Solen ensis. 



26 Machaera costata. 



26 Solemya velum. 



26 borealis. 



26 Glycimeris siliqua. 



26 Mya arenaria. 



26 truncata. 



26 Corbula contracta? 



2Q Pandora trilineata. 



26 Osteodesma hyalina. 



26 Anatina papyracea. 



26 Cochlodesma Leana. 



26 Thracia Conradi. 



26 Couthouyi St. 



26 truncata. 



27 Mactra solidissima. 

 27 ovalis. 



27 Mesodesma arctata. 



27 Kellia rubra. 



27 Sazicava distorta. 



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Petricola pholadiformis. 

 Sanguinolaria fusca. 



sordida. 

 Tellina tenera. 



tenta. 

 Lucina radula. 



flesuosa. 

 Cyclas partumeia. 



Astarte castanea. 



sulcata. 



quadrans. 

 Cyprina Islandica. 

 Cytherea convexa. 

 Venus mercenaria. 



gemma. 

 Cardium pinnulatum. 



Islandicum. 



Grcenlandicum. 

 Cardita borealis. 

 Nucula thraciaeformls. 



limatula. 



niiuuta. 



