68 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



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



Ser. 

 No. 



424 



425 



426 

 427 

 428 

 429 



430 

 431 

 432 

 433 



434 

 435 

 436 



437 



438 



439 

 440 

 441 



442 



443 



Name and authority for species. 



Section Rhinoclama D. «fe S. 



L. halimera Dall 



Subgenus Halonynxpha D. & S. 



H. claviculata Dall . 



Genus MYONERA Dall and Smith. 



M. paucistriata Dall 

 M. uudataVerrill ... 

 M. lamellifera Dall.. 

 M. limatula Dall 



Family POROMYID^. 

 Genus POROMYA Forbes. 



P. granulata Nyst 



var. rotundata Jeffreys 



P. uejEroides Seguenza 



P. sublevis Verrill 



Section Cetomya Dall. 



P. elongata Dall ... 

 P. tornata Jeffreys. 

 P. albida Dall 



Genus CETOCONCHA Dall. 



C. bulla Dall 



C. margarita Dall 



Family PANDORID^. 



Genus PANDORA Hwass. 



Subgenus Clidiophora Cpr. 



C. trilineata Say 



C. Gouldiana Dall 



C. caroliuensis Bush 



Subgenus KennerHa Cpr. 



K. glacialis Leach 



K. Bushiana Dall 



PI. 



Figs. 



65 



39 



2,2a 



128 



130 ? 

 2,5 J 



10 



14 



8,8a 



Alt. 



or 



Lon. 



10.0 



12.0 



10.0 



12.5 

 11.2 



22.5 



21.5 



13.0 

 7.3 



25. 

 14.2 



Eange 



in 

 depth. 



r3i 



11.5 



539 



-m 



Northern 

 extreme range. 



Cape Fear. 



N. Atlantic 



Cape Clear. 

 Chesapeake 

 Cedar Keys. 

 Florida Str . 



Norway 



N. Atlantic . 

 N. Atlantic . 

 Chesapeake 



Gulf of Mex : 

 N.Atlantic .. 

 Cape Fear.. 



Chesapeake 

 Florida Keys 



C. Hatteras . 

 Nova Scotia ' 

 Hatteras 



Arctic Sea.., 

 Tampa 



