64 



THE NAUTILUS. 



Lucidella tantilla Pils. 

 Opisthosiphon bahamensis Shutt. 

 Tbysanophora selenina Gld. 

 " sp. 



" sp. 



Pupoides modicus Gld. 

 Bifidaria servilis Gld. 



" hordeacella Pils. (?) 

 " sp. 



Strobilops hubbardi A. D. Br. 

 Opeas pumilum Pfr. 

 Oleacina solidula Pfr. 

 Varicella (Pichardiella) gracillima 



floridana Pils. 

 Polygyra microdonta Desh. 

 Cepolis (Hemitrochus) varians 



Mke. 

 Cepolis (Hemitrochus) maynardi 



Pils. 

 Cepolis (Plagioptycha) duclosiana 



Fer. 



Succinea sp. (juv.) 

 Cerion maynardi Pils. 



" biminiense H. and C. 



" pillsburyi Pils. & Van. 



Bimini, Cat and Gun Cays. 



Gun Cay. 



Bimini, Cat and Gun Cays. 



Bimini. 



Bimini, Cat and Gun Cays. 



Bimini, and Cat Cay. 



Bimini, and Cat Cay. 



Bimini, arid Cat Cay. 



Cat Cay. 



Bimini. 



Bimini. 



Cat Cay. 



Bimini, Cat Cay. 

 Bimini. 



Bimini. 



Bimini, Cat and Gun Cays. 



Bimini. 

 Bimini. 

 Bimini. 

 Bimini. 

 Bimini. 



The above listed Bif. servilis Gld. cannot well be separated from 

 B. rupicola Say of the Atlantic coast of the United States. 



CEEION (STROPHIOPS) BIMINIENSE SP. NOV. 



BY JOHN B. HENDERSON, JR., AND GEO. H. CLAPP. 



Shell shortly rimate, cylindric in the last two whorls, then gradu- 

 ally tapering to the apex; solid and strong ; livid flesh-colored, fre- 

 quently with whitish blotches, which include two or three ribs, or the 

 ribs may be lighter than the body color; tip generally white and the 

 last whorl much lighter below the periphery. Sculpture of regular, 



