218 



HALF-HOURS IN THE GREEN LANES. 



(Fig. 163) is a good microscopic object. This 

 shell is common among the short herbage of the 

 Downs, and it has been suggested that the fine 

 flavour of Down mutton may be due to the profusion 

 of such small shells consumed by the sheep when 



Fig. 157. 



Fig. 158. 



Wrinkled Suail (If. 

 caperata). 



Fig. 159. 



ft 



Fig. 160. 



Bristly Snail (//. his- 

 pi&i) enlarged. 



t'ig- 161. 



Prickly Snail (//. 

 acnlcatd), en- 

 larged. 



Uttle' White Snail 

 (#. pulclieUa\ 

 enlarged. 



Fig. 162. 



Scaly Snail (//. 

 lamellata). 



Fig. 163. 



Carthusiau Snail (Jl. cartAugiatta). 



Jaw of Little 

 Yfliiit Sna-1 

 (magnified). 



feeding ! The Carthusian shell (H. Cartusiana, 

 Fig. 162) takes its name from having been first 

 discovered near a Carthusian monastery. It is 

 common on the Kentish and Sussex Downs, and is 

 evidently fond of the neighbourhood of the sea. In 

 many respects this species is allied to the Kentish 

 snail (H. Cantiana, Fig. 164), which is a very pretty 



