44 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



Table 11. B. — List of Pelecypoda—Continned. 



Name and authority for species. 



Family LEDID^. 



Genus LEDA Schumacher. 



Subgenus Yoldia Morcb. 



Y. solenoides Dall. 

 Y. liorhiua Dall. .. 



Y, liuiatula Say 



Y. sapotilla Gould 



Y. sericea Jeffreys 



Y. hebes Smith 



Y. iusculpta Jeffreys 



Y. Jeffreys! Hidalgo 



Y. subequilatera Jeffreys . 

 Y. pompholyx Dall 



Subgenus Leda Schumacher. 

 Carpeuteri Dall 



messanensis Seguenza. 



solidula Smith 



vitrea Orbigny 



L. acuta Conrad 



Bushiana Verrill , 

 concentrica Say.. 

 Verrilliana Dall . . 



quadraugularis Dall 



pusio Philippi 



solidifacta Dall 



Section Neilonella Dall. 



corpulenta Dall 



Genus MALLETIA Desm. 

 Section Tindaria Bellardi. 



cytherea Dall. 

 amabilis Dall. 



PI. 



40 



Figs. 



2,2a 

 1,1a 



5 

 1 



'l\ 



12,12a 



3,8 



15 



140 



7a-i 



la-b 



1,1a 



Alt. 



or 



Lon. 



12.5 

 13.1 



4.0 



4.0 



10.5 

 4.0 



6.5 



9.5 

 13.0 



15.0 



13.0 

 4.1 

 4.0 

 4.6 



12.5 



9.5 



8.6 

 15.0 



Bange 



in 

 depth. 



118 



1 ■/* 



19 fi 



i9jg. 

 8110 



193. 



6yo 



T73T 



100 -I 



I* 



16 68 



287 



m 



m 



Northern 

 extreme range. 



Miss, delta . . 

 Gulf of Mex 



Norway . .. 



Arctic Sea. 

 N. Atlantic 

 Cedar Keys 

 N. Atlantic 

 N. Atlantic 

 Norway . .. 

 Feinandina 



Hatteras .... 



N. Atlantic. 



Hatteras 



Florida Str.. 



Ehode Island 



Hatteras ... 



Texas 



Hatteras ... 

 Cedar Keys. 

 Florida Str . 

 Hatteras ... 

 N. Atlantic. 

 Florida Str . 

 Cedar Keys . 



Florida Str.. 



Florida Str.. 

 Cedar Keys.. 



