Class VI. TURBO. WREATH-SHELL. 311 



List. Angl. tab. u.Jtg. 10. T. perversus. Br. ZooL iv. 52. nisri- 

 Lin. Tr. viii. 180. 130. '^^^i^' 



T. bidens. Mont. Test. Br. , "* ^' 



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. \xxxv. Jig. S. 



Lin. Tr. vlii. 180. 



3Io?it. Test. Br. 362. t. 11. 



53. LABIA- 



f.6. 



TUS. 



* 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. Sfiog. 3Io}it. Test. Br. 355. ^.11. 54. perver- 



Lin. Tr. viii. 181. /. 12. id. Sup. 131. .®^^- 



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

 tions reversed ; aperture without teeth ; length 

 a quarter of an inch. 



