72 



BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 

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



Ser. 

 No. 



Name and authority for species. 



PI. 



Figs. 



Alt. 



or 



Lon. 



^^fS^ Northern 

 depth, extreme range. 



1 



462 

 463 



Genus SOLEN Linne. 

 Subgenus Ensis Schumacher. 



E. americana Gould ) 



E. viridis Say 



53 

 5.5 



4,5 5 





! 







Labrador 



Rhode Island 



Charleston .. 

 Cape Fear... 

 Beaufort 



W.Florida.. 



Hatteras 



Cape Cod 



Texas 



Nahant 



Arctic Sea... 

 Cape Fear... 



N. Atlantic . . 

 N.Atlantic .. 



Connecticut. 



Britain 



Charlotte H. 



Statenlsland 



t64 



Suborder EN8IPH0NACEA. 

 Family GASTEOCH.ENID^. 

 Genus GASTROCHiENA Spengler. 

 G. ovata So werby 







30.0 

 25.0 

 16.0 





\f^r^ 



G. cuneiformis Speno'ler 







\m 



G. Stimpsonii Tryon 







167 



Subgenus Spengleria Tryon. 

 S. rostrata Spengler 





' 



68 



Suborder ADESMACEA. 



Family PHOLADID^. 



Genus PHOLAS Linne. 

 P. Campechiensis Gnaeliu 











m 



Subgenus Barnea Leach. 

 B. costata Lmn6 



63 



9 







70 



B. maritima Orbigny 







71 



B. truncata Say 



59 

 68 



12 



10 







79. 



Genus ZIRPHiEA Leach. 

 Z. crispataLinn^ 





7% 



-roihr 

 n 



7:^ 



Z. semicostata Lea ? 



74 



Genus XYLOPHAGA Turton. 

 X. abyssorum Dall 



9 



7,7a 



4.0 



7.5 



X. dorsalis Turton 



76 



Genus MARTESIA Leach. 

 M. cuneiformis Say 









77 



M. striata Linu6 









78 



M. corticaria Adams 









79 



Section Diplothyra Tryon. 

 M. Smithii Tryon 











