NORTH AMERICAN CONCIIOLOGY. 



53 



[Hauley, 

 Page. 

 171 



172 

 174 

 174 



174 



174 



174 

 175 

 175 



175 



Descriptive Catalogue.] 



Name. 

 Nucula tenuis Turt. 



Area tiHuis Mont, 

 proxima Say. 

 Unio iuflatus Lta (Syrnph.) 

 alatus Say. 



Mya alata Wood, 

 laevissimus Desk. 



Symph. IsEvissima Lea. 

 gracilis Barnes. 

 U. planus Barues. 



fra/jilis Sw. 

 Symph. gracilis Lea. 

 compiessus Lea (^Symph.) 

 coelatus Conr. 

 heros Say. 



U. multipUcatus Lea. 

 licjamentinus Lam. 

 undulatus Say. 

 undulatus Barnes. 

 U. costatus Conr. 



Locality. 

 North America, &c. 



United States. 

 Alabama. 

 Kortli America. 



Ohio. • 



Ohio. 



Ohio. 



Tennessee. 

 Ohio. . 



Ohio. 



