34 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



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



Name and authority for species. 



Subgenus Amusium Schum. 



A. Mortoni Say 



A. Dalli Smith 



Section Propeamusium Greg. 



Pourtalesiauura Dall 



V ar . striatuliim Dall 



var. marmoratum Dall 



cancellatum Smith 



Holmesii Dall 



SayanumDall 



Subgenus Pecten s. s. 



magellanicus Gmelin 



irradians Lamarck 



var. dislocatus Say 



nucleus Born 



exasperatus Sowerby 



ornatus Lamarck , 



antillarum Recluz 



effluens Dall 



phrygium DaD 



glyptus Verrill 



imbricatus Gmelin , 



nodosus Linu6 , 



var. fragosus Conrad 



Section Pseudamusium Ad. 

 P. irabrifer Loveu 



P. reticulus Dall . . . 

 P. thalassiuusDall. 

 P. leptaleus Verrill. 

 P. fragilis Jeffreys. 

 P. striatus Miiller, . 



P. Sigsbeei Dall 



P. vitreus Gmelin. . 

 P. strigillatus Dall . 

 P. undatus Verrill . 



ltt-6 

 6 



12 



rigs. 



3 



la, 2 



5,11 



3,9 



12.0 

 26.0 

 12.0 

 15.5 



300.0 

 75.0 

 40.0 

 25.0 



4a-hl 

 142< 



8,10 



2 



141 



2 



21 



Alt. 



or 



Lon. 



100.0 

 62.0 



26.0 

 36.5 

 60.0 



12. 5 



7.0 

 8.5 

 7.0 



11.5 



19.0 



Range 



in 

 depth. 



T5 9T 

 IQft 



/a°o- 



142 



Northern 

 extreme range. 



158 



i 5 2 S 



Gulf of Mex. 

 Bermuda 



Cedar Keys.. 

 Santa Cruz . . 



Charlotte H 

 Fernandina . 

 Florida Str.. 



Labrador... 

 Nova Scotia 

 Hatteras ... 

 Florida Keys 

 Hatteras ... 

 Cedar Keys. 

 Key West . . 

 Fernandina 

 Hatteras ... 

 Rhode Island 

 Tortugas . . . 

 Hatteras ... 

 Cedar Keys. 



Arctic Sea. . 



Hatteras . . . 

 Rhode Islan 



Arctic Sea. . 

 Norway . ... 

 Florida Str. 

 Arctic Ocean 

 Fernandina 

 N. Atlantic. 



