20 NATURAL HISTORY BULLETIN. 



Cardium serratum Linn Sta. 26, off Key West, 60 fath. : 

 Harbor Island and Spanish Wells, Bahamas, shallow water. 



Venus (chione) cancellata Linn. Bahia Honda, Cuba; 



Spanish Wells, Bahamas; Tortugas; Great Bahama Bank; 



Sta. 44, off Key West, $% fath. 

 Venus (chione) granulata Gmel. Bahia Honda, Cuba. 

 Venus sp. [young). Sta. 44, off Key West, $% fath. 

 Cytherea albida Zaw. [young-). Sta. 56, Pourtales Plateau, 



24 16' N. Lat., 8i° 22' W. Long., 200 fathoms. 



Petricola robusta Sby. Bahia Honda, Cuba. 

 Type of the genus Choristodon Jonas. 



Tagelus divisus Sfenghr. Sta. 44, off Key West, $% fath. 



Asaphis deflorata Linn. Bahia Honda, Cuba. 



Tellina sp. Sta. 44, off Key West, $% fath. 

 This and the following species not identifiable. 



Macoma sp. Sta. 44, off Key West, 54 fath. 

 Cumingia tellinoides Con. Great Bahama Bank. 

 Semele reticulata Linn. Bahia Honda, Cuba. 



SCAPHOPODA. 



Dentalium antillarum Orb. Sta. 56, Pourtales Plateau, 

 24 16' N. Lat., 8i° 22' W. Long., 200 fath. 



PTEROPODA. 



Cavolinia tridentata Forsk. Sta. 64, off American Shoal, 



no fath. 

 Cavolinia uncinata Rang. Sta. 64 off American Shoal, no 



fath. 



GASTROPODA. 



Hemitrochus carib^ea Weinland. Spanish Wells and Eleu- 

 thera, Bahamas. 



