310 TURBO. WREATH-SHELL. Class VI. 



with the T. nigricans in the contrary turn of the 

 spires, which are twelve in number, and of a 

 dusky hue. Tab. lxxxiv. fig. 5. 



On hollow and mossy trunks of trees. 



50. lamina- Lin. 7V. viii. 179. Mont. Test. Br. 35g. t. 11. 

 TUS. j 4> 



.* T. with a tapering, pellucid, smooth shell ; ten 

 volutions reversed ; aperture contiguous ; the 

 hind part with two teeth ; length three fourths 

 of an inch, breadth one eighth of an inch; 

 found on land. 



Wiltshire, Kent, and Dorsetshire. 



51. EIPLICA- Lin. Tr. viii. 186. Mont. Test. Br. 36l. t. 11. 



TCS. 



f.S. 



* T. with a tapering shell, opaque, striated ; 

 volutions reversed ; aperture less contiguous, 

 and with two teeth on the hind part; length 

 three fourths of an inch, breadth one eighth of 

 an inch. 



Easton Gray, Wiltshire: it has also been 

 found in Hyde Park. 



