NORTH AMERICAN CONCHOLOGT. 



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Name. 

 NucTila Cascoensis Mighels. 

 Unio abruptus Say. 



acutissimus Lea. 



aheneus Lea. 



alatus Say. 



al tills Conrad. 



amoenus Lea. 



amygdalus Lea. 



anodontoides Lea. 



angustatus Lea. 



apiculatus Say. 



arctatus Conrad. 



arctior Lea. 



arcus Conrad. 



arcaeformis Lea. 



argenteus Lea. 



asper Lea. 



asperimus Lea. 



ater Zea. 



atro-marginatus Lea. 



Barnesianus Lea. 



Biglyensis Lea. 



Blandingianus Lea. 



biangularis Zea. 



Boydianus Lea. 



Boykinianus Lea. 



brevidens Lea. 



Brumbyanus L^ea. 



Buckleyi Lea. 



Buddianus Lea. 



callosus Lea. 



camelus Lea. 



camptodon Say. 



capsaeformis Lea. 



cariosus Say. 



catillus Conrad. 



circulus Lea. 



Cincinnatensis Lea. 



Clairbornensis Lea. 



clavus Lam. 



coccineua Ilild, 



coelatua Conrad. 



collinus ('onrud. 



Cooperianus Lea. 



compresBua Lea. 



Locality. 



Maine. 



Ohio. 



Alabama. 



Black creek, Florida. 



Lake Cliamplain. 



Alabama. 



Tennessee. 



Lake George, Florida. 



Ohio. 



South Carolina. 



Louisiana. 



Alabama. 



Ohio. 



Alabama. 



Tennessee. 



Tennessee. 



Alabama. 



Ohio. 



Alabama. 



Georgia. 



Tennessee. 



Tennessee. 



Florida. 



Tennessee. 



New York. 



Georgia. 



Ohio. 



Alabama. 

 Lakes George & Monroe, Fla. 

 Lakes George & Monroe, Fla. 



Ohio. 



Ohio. 



Louisiana. 



Western States. 



Eastern rivers. 



Ohio. 



Ohio. 



Ohio. 



Alabama. 



Ohio. 



Ohio. 



Tennessee. 



Virginia. 



Ohio. 



Western riv's & lakes. 



