NORTH AMERICAN CONCHOLOGY. 



39 



[Thesaurus 

 Pa. PL 



769 clxv 

 769 clxv 



771 clxvi 

 779 clxvii 



780 clxvii 

 780 clxvii 17 



Concliyliorum. ] 



30 

 36-38 



1 

 12 



13 



18,20 



781 



clxvii 



16 



781 



clxvii 



8 



782 



clxvii 



5 



782 



clxvii 



14, 15 



783 







783 







784 



clxviii 



1-3 



787 



clvi 



91 



811 



clxxi 



33 



857 



clxxx 



84,85 



862 



clxxx 



108-110 



865 



clxxix 



59,77 



868 



clxxxii 



149-151 



Newfoundland. 

 Northern Seas. 



871 clxxxiii 176-178 



Name. Locality. 



Venerupis paupercula Desk. Mazatlan. 

 cylindracea Desk. Ca;lifornia. 



Petricola cylindracea Des. 

 Californica Conr. 

 arcuata Desh. 

 suhglobosa Sowb. 

 Petricola pholadiformisZom. N. America. 

 Astarte undata Gould. North America. 

 A. sulcata Auct. Am. 

 latisulca Hani. 

 Mortoni Ad. 

 subaequilatera Sowh. 

 arctica Gray, 



Crassina arctica Gray. 

 Venus borealis Chemn. 

 Astarte cyprinoides Duval 

 C. corrugata Brown. 

 A. Japonica Jay ? 

 semisulcata Leach. 



Crassina semisulcata 

 Banksii Leach. 



A. pulchella Jonas. 

 quadrans Gould. 

 castanea aS'«^. 



A. crassidens Br. & Sb. ? 

 laevis Jay. 

 difBcilis Jay. 

 Cyprina Islandica TJnn. 

 Venus Islandica Linn. 

 vulgaris Sowb. 

 Venus rostrata Sowh. 

 Obeliscusclavulus .1. Ad. Acapulco 

 Cerithium Novae-Hiberniae A. Ad. 

 C el/urncus Say. 

 muBcarum Say. 

 ocellatum Firvg. 

 C. irroratum Gould. 

 iritcrruptum Gould. 

 Sayii 31ke. 

 C. nigra Tott. 



reticulatum Tott. 

 iota Gould ? 

 ferrugineum Say. 

 C. vur labile Ad. ? 



Northern Seas. 



Greenland. 



North America. 

 Arctic Seas. 



Greenland. 

 Greenland. 

 North Seas. 



Florida, 

 o. 



Florida. 



[Isl. 



Florida, Ld. Hood's 



G. of California, &c. 



North America. 



America. 



