Class VI. TURBO. WREATH-SHELL. 311 



List. Angl. tab. ii. Jig. 10. T. perversus. Br. Zool. iv. 52. nigki- 

 Lin. Tr. viii. 180. 130. j A1 / S * 



T. bidens. Mont. Test. Br. J ' 



357. t. 11./. 7. 



T. with eleven spires of a dusky color. The 

 mouth turned a contrary way to most others of 

 the genus. Length four tenths of an inch; 

 very taper. 



Found in mosses, especially among the 

 Hypna. Tab. lxxxv. Jig. 3. 



Lin. Tr. viii. 180. 



* T. with a tapering shell, opaque ; volutions 

 reversed, striated; aperture with two teeth, 

 the margin white, strong, dilated; length five 

 eighths of an inch, breadth one eighth of an 

 inch. 



Found in ozier grounds at Battersea. 



Gm. Lin. 3609. Mont. Test. Br. 355. t. ,11. 54. perver* 



Lin. Tr. viii. 181. /. 12. id. Sup. 131. sus - 



* T. with a tapering, pellucid shell ; eight volu- 

 tions reversed ; aperture without teeth ; length 

 a quarter of an inch. 



Mont. Test. Br. 362. t. 1 1 . 



53. LABIA- 



f.6. 



TUS. 



