NORTH AMERICAN CONCHOLOGT. 



22*7 



[Deshayes, Brit. Mus. Concliifera.] 

 Page. Name. 



132 Chione gnidia. 



Venus gnidia Br. & Sowb. 

 Ainathusia Sowb. 



133 simillima. 



y'ciiu.t si mi! lima Sowb. 

 133 Califoruiensis. 



T titus Culiforniensis Bred. 

 leucodon Sowb. 

 135 Nuttallii. 



Vrnus Nuttallii Conr. 



135 callosa. 



Venus callosa Conr. 



136 ruderata Desk, 

 141 straminea Desh 



Venus straminea Conr. 



Tapes straminea Conr. 

 141 undatella. 



1' /(i(s undatella Sowb. 

 147 astartoides. 



Venus astartoides Beck. 



156 elevata. 



Venus elevata Say. 



157 inaequalis. 



Venus inaequalis Say. 

 176 Tapes fluctuosa. 



Venus Jluctuosa Gould. 



187 Saxidomus giganteus. 



Venernpis giguntea Desb. 

 Pulhistra gigantea Catlow. 



188 Nuttalli Conr. 



189 Petitii. 



Venerupis Petitii Desh. 

 Tapes diversa Sowb. 



190 Venerupis Cordieri. 



Petricdla Cordieri Desb. 

 192 foliacea T)esh. 



2U7 Petricola mirabilis Desh. 

 208 Californica. 



Sdxicava Californica Conr. 



P. arcuata Desh. 

 208 gibba Midd. 



208 cylindracea Desk. 



1 Saxtcava carditoides Conr. 



I/Ocality. 

 Mazatlan, &c. 



California. 

 California. 



California. 



California, &c. 



California. 

 California. 



California. 

 Greenland. 

 Florida. 

 United States. 

 United States. 

 California. 



California. 

 California. 



California. 



Mazatlan. 



California. 



Gulf of Californiii. 



Island of Sitka. 



