NORTH 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 



PL Fig. 



257 



xi 



1 



258 



xi 



2-3 



258 



xi 



4 



258 







259 



xi 



5-7 



260 



xi 



8 



260 







261 



xi 



12 



261 







263 



xi 



11 



263 



xi 



13 



264 







264 



xi 



14-15 



265 







266 



xi 



17-18 



266 



xi 



19 



267 



xi 



20 



Name. Locality. 



Mactra solidissima Chemn. 



M. solida (Tar. B) Gmelin. 

 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. Nortliern coast. 



pinnulatum Conrad. Massachusetts. 



Pecten Pealeii Conrad. Maine. 



Mya hyalina Conrad. Northern coast. 



Cytherea convexa Saij. Rhode Island. 



Anatina Leana Conrad. Northern coast. 

 Mytilus leucophaeatus Conrad. Soathern 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: — 



Vol. 



Page. 



May, 



1846. 







404 







404 







404 







4(t4 





404 





I 



404 



Locality. 



Conrad. — Catalogue of Recent Shells found also in the 

 Miocene: by T. A. Conkad. [No descriptions.] 



Artemis acetabulum Conrad. 



elegans C'lnrnd. 

 Astarte lunulata Covrad. 

 Area improcera (.'nurnd. 

 Anomia ephippium Ijinn. 

 Amphidesma aequale iSaij. 



Florida. 

 Florida. 

 Charleston. 

 Southern coast. 



Southern coast. 



22 



