NORTH AMERICAN CONCHOLOGY. 



211 



Pa. PI. Fig. 



328 viii bis 9-11 

 480 xii 8-9 



618 XX 



685 xviii 



6-8 



8-10 



Name. Locality. 



Cumingia tellinoides Conr. 

 Saxicava arctica Phil. Arctic Seas. 



Mya arctica Linn. 

 Solen minutus Linn. 

 Donax rhomboidea Poli. 

 Cardita arctica Brug. 

 Mytilus prcecisus Mont. 

 Hyatella arctica Lam. 

 minuta Turt. 

 Anatina arctica Turt. 

 Ehomboides rugosus Bl. 

 Cardita lithojihageUa Da Costa. 

 Saxicava rhomlioides Desli. 

 Mya elongatn Brocchi ? 

 Saxicava elongata Bronn. 

 Mytilus carinatus Goldf. 

 Dosinia concentrica Born. Gulf of Mexico. 

 Venus concentrica Born. 

 Cytherea concentrica Lara. 

 Artemis concentrica Phil. 

 Cyprina Islandica Lam. Nortliern Seas. 



Pcctunculus mnximus List. 

 Venus Islandica Linn. 

 Pectunculus major Da Costa. 

 Venus bucardium Born. 

 Arctica vulgaris Sch. 

 C. arctica Turt. 

 Venus aqualis Sowb. 

 C. cequalis Phil. 

 maxima Wood. 

 angulata Nyst. 

 islandicoides Nyst. 



North America, &c. 

 North America, &c. 



Nantucket. 



