42 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



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



Name and authority for species. 



Sectiou Byssoarca Swainson. 



reticulata Gmelin 



Adamsi Shuttleworth 



var. Conradiana Dall 



Dodulosa Mliller 



pectnnculoides ScaccM 



polyciima Dall 



glonierula Dall 



Subgenus Macrodon Lycett. 



aspernla Dall 



sagrinata Dall — 



prof undicola Verrill 



Genus PECTUNCULUS Lam. 



P. nndatus Linn6 



P. pectinatus Gmelin 



Genus LIMOPSIS Sassi. 



L. niinuta Philippi 



L. tenella Jeifreys 



L. antillensis Dall 



L. cristata Jeffreys 



L. aurita Brocchi 



var. paucidentata Dall 



var. plana Verrill 



Suborder NUCUIACEA. 



Family NUCULID^. 



Genus PLEURODON S. "Wood. 



P. Adamsii Dall 



Genus NUCULA Lamarck. 



N. segeeusis Jeffreys 



N. cymella Dall 



N. tenuis Montagu 



N. proxima Say 



N. delphinodonta Mighels 



N. cancellala Jeffreys 



N. granulosa Verrill 



N. crenulata A. Adams 



var. obliterata Dall 



N. VerrilliDall , 



PL 



46 



23,23a 



Figs. 



5 

 3,3a 

 9,9a 



4,4a 



7,7a 



Alt. 



or 



Lon 



8.0 



9.75 



5.75 



8.5 



6.0 



12.0 



10.5 

 3.5 



22.0 



9.0 



14.0 



2.87 



10.7 

 5.1 



7.3 

 7.3 

 4.5 



Kange 



in 

 depth. 



XQ 

 36 



2.5 

 S2 



-ffs 



T6 6S 



80 



2021 



92 



2 03 3 



M- 

 ToiT 



Teiir 

 874 



2221 



205 



464. 



t¥o^o 



T265 





Northern 

 estreme range. 



Hatteras . . 

 Hatteras . . 

 Hatteras . . . 



Norway 



Norway 



Hatteras 



Fernandina. 

 Florida Str . 

 N.Lat.370 . 

 Florida Str . 



Hatteras . . . 

 Hatteras ... 



Norway — 

 N. Atlantic 

 Hatteras ... 

 Norway — 

 Norway — 



Chesapeake . 



Florida Str.. 



Mediter. Sea. 

 Florida Str.. 

 Arctic Ocean 

 Nova Scotia. 

 Greenland . . . 

 N. Atlantic .. 

 George's B'k. 



Hatteras 



Hatteras 



Ebode Island 



