125 



Shell half an inch long, pale brown or greyish, and is 

 readily distinguished from the last by the rounded 

 and deeply divided volutions : aperture nearly half 

 as long as the shell ; the outer lip a little reflected 

 but not spread, nor glossy. The variety c. is very 

 elegant. 



In marshes and ditches. 



-{-109. LiMNEUs detritus. Shell oval, ventricose, 

 glossy, slightly striate, white, with often from one 

 to three obscure brown transverse bands. 



Helix detrita. Mont. tab. 11./. 1. 



Shell three quarters of an inch long, and about half 

 an inch broad, with five or six rather swollen vo- 

 lutions, white and transparent, the first of which 

 is about equal to all the rest. 



The shell from which the above description was 

 drawn, was sold to us at Teignmouth as having 

 been found in the pond of Sir James Nugent's 

 garden. It has three brown transverse bands on 

 the first volution, and the tip is brown. In size 

 and figure it answers exactly to the Helix Bontia 

 of Chemnitz, vol. ix. jo. 15G. tah. 134. /. 1216, 

 1217. except that the brown bands are not conti- 



