BYTHINELLA. 47 



3. BYTHINELLA TENUIPES, Couj^er. 



Hald., p. 23, t. 1, figs. 14, 15. 



In the collection of the Academy at Phila- 

 delphia are preserved specimens of this species 

 from Bohemia, Delaware, — the only known 

 locality besides the original one. 



4. BYTHINELLA FLORID ANA, Frauenf. 

 Plate 16, fig. 5. 



Shell turbinate, thin, having four well- 

 rounded whorls rapidly increasing in diameter ; 

 spire conical, aperture small, round ; umbilicus 

 narrow and deep. Dark brown. 



Alt. 2-6, diam. 2 mill. 



Florida? 



The locality is very doubtful, the specimens 

 in the Vienna museum having the word Croatia 

 written on the label and afterwards stricken 

 out. Two specimens in the collection of the 

 late Hugh Cuming were said to have been re- 

 ceived from Florida. The shell has much the 

 (28) 



