NORTII AMERICAN CONCHOLOGY, 



337 



Conrad. — Descriptions of fifteen new species of Recent, and 

 three of Fossil Shells, chiefly from the Coast of the United 

 States: by Timothy A. Conrad, Member &c. (From Journ. 

 Acad. Nat. Sci. of Philadelphia, vol. vi, p. 256. March, 1831.) 



Page. 

 257 



PI. Fig. 



Name. Locality. 



Mactra solidissima Chemn. 



M. solida (var. 0) Ginelin. 

 procera Solander. 

 grandis Solander. 

 stultorum Solander. 

 gigantea Lam. 

 similis Say. 



arctata Conrad. Mass. to Florida. 



tellinoides Conrad. Northern coast. 



nucleus Conrad. New Jersey. 

 Cardium laqueatum Conr. (fossil). Maryland. 



Mortoni Conrad. Northern coast. 



pinnulatum Conrad. Massachusetts. 



Pecten Pealeii Conrad. Maine. 



Mya hyalina Conrad. Northern coast. 



Cytherea convexa Say. Rhode Island. 



Anatina Leana Conrad. Northern coast. 

 Mytilus leucophaeatus Conrad. Southern coast. 

 Area maxillata Conrad (fossil). Maryland. 



Venus alveata Conrad. Maryland. 



V. paphia Linn. 



Pecten Magellanicus. Maine. 



Velutina rupicola Conrad. Massachusetts. 



Lacuna pertusa Conrad. Massachusetts. 



Patella alveus Conrad. Massachusetts. 



Conrad, Case, &C. — In the new series of the American 

 Journal of Science and Art, occur the following: — 



22 



