54 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



Table II. B. — List of Pelecypoda — Continued. 



Name and authority for species. 



Subgenus Papyridea Swainson. 



P. bullata Linne 



P. Petitiaoa Orbigny 



Subgenus Liocardium Swainson. 



L. serratum Linn6 .. 

 L. lajvigatum Linn^ 

 L. Mortoui Conrad... 



Family VENILIID^. 



Genus CYPRINA Lamarck. 



C. ialandica Linn6 



Family ISOCARDIID^. 



Genus ISOCARDIA Lamarck. 



Subgenus Meiocardia H. «fe A. Adams. 



M. Agassizii Dall 



Gemis CALLOCARDIA A. Adams. 



Subgenus Vesicomya Dall. 



V. pilula Dall 



V. venustaDall 



Suborder VENERACEA, 

 Family VENEEIDJ]:. 

 Genus VENUS Linne. 

 V. mercenaria Linn6 



var. Mortoni Conrad 



V. crispata Deshayes 



V. rugosa Gmelin 



var. rugatina Heil])rin 



V. pilula Reeve 



V. cribraria Conrad 



V. cancellata Linn6 



V. Beaui Recluz 



V. Lamarcldi Gray 



V. grauulata Gmelin 



V. pygmsea Lamarck 



V. varicoaa So werby 



Subgenus Anomalocardia Scbur 



A. rostrata So werbj' 



PL 



58 



57 



40 



Figs. 



Alt. 



or 



liOn. 



8 21.0 



58.0 



Range 



in 

 depth. 



Too 



•^ 



22.0 



I 



13 i 2.6 



117 



40 I 5 



19.0 



Jl 



75.0 



LOT 

 iOl 



-.¥f 



North orn 

 extreme range. 



Hatteraa , . , 

 Cape Florida 



Hatteras 



Hatteras 



Nova Scotia 



Arctic Ocean 



Femandina 

 Cape Fear. . 



Nova Scotia 



Hoglsl'd.Va 

 Gulf of Mex 



Hatteras 



Tampa 



Gulf of Mex 

 Hatteras ... 

 Hatteras ... 

 Key West . . 

 Hatteras ... 

 Tortugas — 

 Hatteras — 

 Hatteras .. 



Jupiter Inlet 



