!g natural history bulletin. 



LIST OF SPECIES. 



BRACHIOPODA. 



Terebratula cubensis Pourt. Sta. 37, Off Key West, 90 

 fath. Sta. 51, 52, 56, 63, 64, Pourtales Plateau, off Ameri- 

 can Shoal, 85 to no fath. 



Terebratulinacailleti Crosse. Sta. 56, Pourtales Plateau, 

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



Dallina floridana Pourt. Sta. 35, 38, off Key West, 

 90-125 fath: Sta. 56, Pourtales Plateau, 24 16' N. Lat., 

 8i° 22' W. Long., about 200 fath. 



PELECYPODA. 



Pecten nucleus Born? Bahama Bank. 

 Very young specimen. 



Pecten ornatus Lam. Tortugas. 



Lima squamosa Z(z;«. Tortugas: Sta. 56, Pourtales Plateau, 

 24 16' N. Lat., 81 ° 22' W. Long., about 200 fathoms. 

 These are the adult of the young form called antillarum 

 by D'Orbigny. 



Lima scabra Born. Bahia Honda, Cuba? 



Avicula radiata Leach. Bahia Honda, Cuba: Spanish 

 Wells and Harbor Island, Bahamas: Tortugas. 



Avicula atlantica Lam. Tortugas. 



Avicula crocata Szv. Tortugas. 



Perna obliqua Lam. Tortugas. 



Perna ephippiUm Lam. Bahia Honda, Cuba. 



Pinna pernula Chem. (^carnea Gmel.), Tortugas. 



Mytilus dominguensis Lam. (=exustus Ltnn.), Egg Island, 



Bahamas; Bahia Honda, Cuba. 

 Mytilus lavalleanus Orb. Bahia Honda, Cuba. 

 Modiola tulipa Linn. Bahia Honda, Cuba. 



