40 THE NAUTILUS. 



Bifidaria contracta (Say). Pineland, northwest end Pine Kt-y; 

 mainland on Middle Cape, Cape Sable. 



Vertigo rugosula oralis Sterki. Mainland at Middle Cape, Cap«! 

 Sable. 



Vertigo sp. nndet. Grassy Key. An imperfect shell. 



Achatinidse. 

 Melaniella graciUima fioridana Pils. Big Pine Key. 



Glandinidce. 



Glandina truncata (Brug.). Hammock near north mouth ol 

 Suwanee river, near Punta Passa ; Pineland, northwest end Pine 

 Island, also northeast end Pine Island ; Blue Hill Island near Good- 

 land Point, Key Marco ; Fakahatcb.ee Key, in the Ten Thousand 

 Islands ; Russell's Key ; Wiggins' Key, Sandfly Pass ; Lossman's 

 Key ; Big Pine Key. 



Glandina truncata minor Binn. Mainland, Middle Cape, Cape 

 Sable ; East end of Lower Matacumbe Key ; Big Pine Key. 



Zonitida. 



Guppya gundlachi (Pfr.). Pineland, Northwest end of Pine Is- 

 land ; Fakahatchee Key in the Ten Thousand Islands ; mainland at 

 Middle Cape, Cape Sable ; Sugarloaf Key. 



Guppya miamiensis Pils. Grassy Key. 



Zonitoides arboreus (Say). Mainland at Middle Cape, Cape 

 Sable. 



Zonitoides dallianus (' Simpson ' Pils.). Fakahatchee Key in the 

 Ten Thousand Islands. 



Zonitoides minusculus (Binn.). Big Pine Key; Fakahatchee Key 

 in the Ten Thousand Islands ; mainland at Middle Cape, Cape 

 Sable. 



Zonitoides minusculus alachuanus (Dall.). Pineland at northwest 

 end of Pine Island. 



Succineidas. 



Succinea campeslris Say. Lignum Vitae Key ; Long Key. 



Succinea fioridana Pilsbry, n. sp. 



Shell obesely ovate, thin but strong for the genus, opaque, flesh- 

 tinted or pinkish-white, marked with corneous-fleshy streaks, and 

 usually a few scattered clear dots, readily seen by holding the shell 

 up towards the light ; apical whorl usually reddish-brown. Interior 

 more or less deeply tinted with ochre-yellow. Whorls 3^ to 3|, very 



