QQ BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



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



Ser. 

 Ko. 



Name and authority for species. 



PI. 



Figs. 



Alt. 



Range 



in 

 depth. 



Northern 

 extreme rang 



400 

 401 

 402 

 403 

 404 

 405 



406 



407 



408 

 409 



410 



C. 



411 



C. 



412 



C. 



413 



c. 



414 



c 



415 



c 



416 



c 



417 



c 



418 



c 



419 





420 



c 



421 



c 



422 

 42.3 



Family VEETICORDIID^. 



Genus VERTICORDIA "Wood. 



V. acuticostata Philippi 



V. flexuosa Verrill 



V. Woodii Smith. 



V. granulifera Verrill 



V. Seguenzae Dall 



V. iDerversa Dall 



Subgenus Trigonulina Orbigny. 



T. ornata Orbigny 



Section Euciroa Dall. 



T. elegantissima Dall 



Subgenus Haliris Dall. 



65 



132 



39 



H. Fiscberiana Dall 



H. trapezoidea Seguenza 



Family CUSPID ARIID^. 



Genus CUSPIDARIA Nardo. 



Subgenus Cuspidaria s. s. 



glacialis Sars 



rostrata Speugler 



microrhina Dall 



Jefifreysi Dall 



obesa Loven 



? arcuata Dall 



lamellosa M. Sars 



1315 



\a-b 



7 



4a-& 



Subgenus Cardiomya A. Adams. 



, perrostrata Dall 



. costellata Deshayes 



var. corpulenta Dall 



. ornatissiraa Orbigny 



. striata Jeffreys 



Subgenus Liomya A. Adams. 



Section Plectodon Cpr. 



. grauulata Dall 



var. velvetina Dall 



2,3 



2 



1 



3,4 



3 



3a-& 



9 

 2] 



lo: 



129 



8.0 

 5.0 

 5.0 



4.0 



13. 25 

 40.0 



10.0 



'6 6 2' 



IQO 

 lOoTJ 



1423 



m 



731 



( 292 



'22 9 



45.0 

 15.0 

 13.0 

 12.5 

 7.3 



8.0 



14.0 

 9.5 



19.0 



18.0 

 11.0 



5.n± 

 T290 



640 



-5J1- 

 5o2 



505 

 2.2-4 



N. Atlantic . . 

 N. Atlantic . . 

 Gulf of Mex. 

 Chesapeake . 



Hatteras 



Cape Fear... 



Rhode Island 



C. Canaveral. 



N. Atlantic. 

 N. Atlantic. 



Norway 



Arctic Sea... 

 C. Canaveral 

 Florida Str.. 

 Arctic Sea. .. 

 Gulf of Mex 

 Norway 



Tortugas ... 

 Hatteras ... 

 Florida Str. 

 Hatteras ... 



Arctic Sea.. 



Cape Florida 



