NORTH AMERICAN CONCHOLOGT. 



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Name. 

 Anodonta plana Lea. 



salmonia Lea. 



Stewartiana Lea. 



subvexa Conrad. 



suborbiculata Say. 



subcylindracea Lea. 



undulata Say. 



virgata Conrad. 



"Wahlamatensis Lea. 



Wardiana Lea. 



Biichanensis Lea. 



angulata Lea. 

 Chama arcinella Linn. 



Lazarus Lam. 

 Modiola Americana Leach. 



castanea Say 



discors Linn. 



discrepans Mont. 



glandula Totten. 



modiolus Turton. 



nexa Gould. 



plicatula T-am. 



pectinula Gould. 

 Mytilus cubitus Say. 



edulis Linn. 



hamatus Say. 



incurvatus Pcnn. 



lateralis Say. 



leucophoeatus Conrad. 



pellucidus Penn. 



ungulatus Unn. 

 Pinna seminuda L^am. 



muricata Linn. 



rudis Lam. 

 Avicula Atlantica Lam. 

 Lima glacialis Lam. 



squamosa Lam. 

 Pecten concentricus Say. 



Islandicus Chem. 



Magellanicus Lam. 



ornatus Lam. 



nodosus Lam. 



purpuratus Lam. 



tenuicostatus Miyhels. 

 Plicatula rimosa Lam. 



Locality. 

 OMo. 

 Ohio. 



Western rivers. 

 Alabama. 

 Illinois. 



Orleans Co., N. Y. 

 OMo. 

 Ohio. 

 Oregon. 

 Ohio. 



Buck creek, Ohio. 

 Lewis river. 

 Florida. 

 Key West, Fla. 

 Southern States. 

 Southern States. 

 Massachusetts bay. 

 Chelsea beach. 

 Provincetown, Mass. 

 Massachusetts bay. 

 Provincetown, Mass. 

 Long Island. 

 Massachusetts bay. 

 Georgia. 

 New York bay. 

 Southern States. 

 Massachusetts bay. 

 Southern States. 

 Southern States. 

 New York bay. 

 Massachusetts bay. 

 South Carolina. 

 St. Simon's island, Ga. 

 South Carolina. 

 South Carolina. 

 Florida. 

 Florida. 

 New York. 

 Massachusetts bay. 

 Maine. 

 Florida. 

 Florida. 

 Atlantic coast. 

 Maine. 

 Florida. 



