2 6 NATURAL HISTORY BULLETIN. 



Polynices lactea Guild. (Locality lost.) 



Common in the Antillean and south Florida region. 



Acm^ea candeana Orb. Egg Island, Bahamas. 



Acm^ea punctulata Gmcl. Tortugas. 



Acm^a melanoleuca Gmcl. Tortugas; Harbor Island, 



Bahamas. 

 Astralium longispinum Lam. Harbor Island, Bahamas; 



Great Bahama Bank; Tortugas; Bahia Honda, Cuba. 



Astralium americanum Gmel. Tortugas. 



Leptothyra induta Watson, var. albida DaU. Sta. 65, off 

 American Shoal, 115 fath. 

 First specimens since the types were obtained. 



Omphalius fasciatus Born. Tortugas; Great Bahama 



Bank. 

 Omphalius indusii Cheni. Loggerhead Key, Tortugas. 

 Livona pica Gmcl. Egg Island, Bahamas. 



Calliostoma jujubinum Gmel. Tortugas; the var. rawsoni 

 Dall. occurred in the same locality. 



Calliostoma asperrimum Dall. Sta. 56, Pourtales Plateau, 

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

 Rare, hardly known in collections. 



Euchelus eucasta Dall. Sta. 56, Pourtales Plateau, 24 16' 

 N. Lat., 81 ° 22' W. Long., 200 fath. 

 Only the types heretofore known. 



Liotia briareus var. perforata Dall. Sta. 56, Pourtales 

 Plateau, 24 16' N. Lat., 81 ° 22' W. Long., 200 fath. 

 Known only from the types hitherto. 



Liotia variabilis Dall. Sta. 56, Pourtales Plateau, 24 16' 

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

 Only known from the original types hitherto. 



Nerita peloronta Linn. Egg Island, Bahamas; Tortugas. 



Nerita tessellata Gmcl. Egg Island, Spanish Wells, 

 Harbor Island, Bahamas; Tortugas. 



