OFFSHORE FISHING GROUNDS OF GULF OF MEXICO. 
307 
PTEROPODA. 
Cavolina uncinata Rang. 
Station 5112, surface. 
GASTROPODA. 
Aplysia wilcoxii Heilprin. 
West coast of Florida. 
Koonsia obesa Verrill. 
Station 5112, 16J fathoms. 
Oliva literata Lamarck. 
Stations 5080, 5081, 5085 ; 20 to 25 fathoms. 
Paaciolaria tulipa Lmn6. 
Station 5110, 21 fathoms; Marquesas Key, Key West. 
Pusus eucosmius Dali. 
Station 5077, 33 fathoms; station 5102, 32 fathoms. 
Nassa ambigiia Montagu. 
Station 5077, 33 fathoms ; 5080, 25 fathoms. 
Murex chrysostoma Gray. 
Station 5085, 24 fathoms. 
Ocinebra nucea Morch (=cellulosa Conrad). 
Station 5085, 24 fathoms. 
Murlcidea floridana (Conrad) Dali. 
Station 5076, 39 fathoms; 5108, 27 fathoms. 
Distortrix reticulata Link. 
Station 5109, 24 fathoms. 
Cerithium muscarum Say. 
Card’s Sound. 
Turritella acropora Dali. 
Stations 6084, 5107, 5108; 19 to 31 fathoms. 
Crepidula convexa Say. 
Station 5098, 18 fathoms. 
Crepidula unguiformis Lamarck. 
Key West. 
Natica canrena Lamarck. 
Station 5083, 15 fathoms ; Garden Key, Tortugas. 
Polynices lactea Guilding. 
Station 5080, 25 fathoms; 5098, 18 fathoms. 
Turbo crenulatus Gmelin. 
Station 5107, 31 fathoms ; 5108, 27 fathoms. 
Turbo (Astralium) imbricatum Gmelin. 
Marquesas Key. 
Acanthochiton astriger Reeve. 
Bird Key, Tortugas. 
