48 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



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



Kame and authority for species. 



Genus PARASTARTE Conrad. 



P. triquetra Conrad. 

 P. concentrica Dall . 



Genus CIRCE Schumacher. 



Subgeuus Gouldia C. B. Adams. 



G. cerina C. B. Adams 



G 



Family CRASSATELLID^. 

 Genus CRASSATELLA Lamarck. 



C. floridana Dall. 



Subgenus Eriphyla Gabb. 



E. lunulata Conrad 



var. parva C. B. Adams 



Suborder LEPTOXACEA.? 



Family EEYCINID^. 



Genus TURTONIA Forbes & Han- 

 ley. 



T. minuta Fabricius < 



Genus KELLIA Turton. 

 K.planulata Stimpson 



Genus LEPTON Turton. 



L. longipes Stimpson. 



L. 



L. .-.. 



L. 



L. lepidum Stimpson? 



Subgeuus Fabella Conrad. 

 F. constricta Conrad ..--., 



PI. 



49 



58 



56 



Figs. 



6,7,8 



4a-b 



Alt. 



or 



Lon. 



5.0 

 5.5 



10.5 



12 11. I 



4 65. <, 



11,13 



142a 



7 



Eange 



in 

 depth. 



Tot 



22 

 22 



¥T 



124 



Northern 

 extreme range. 



Cedar Keys. 

 Hatteras . . . 



Hatteras 

 Hatteras 



Hatteras 



Cape Cod . . 

 Florida Str. 



Arctic Sea..- 



Arctic Sea. 



Hatteras ... 

 C. Lookout. 

 C. Lookout. 

 C. Lookout. 

 Hatteras ... 



Cedar Keys. 



