654 



Slugs and Snails. 



[FEB. 



dry summer weather. In fact, it never seems actually to 

 hibernate. 



(6). The Allied Banded Snail {Helix caperata. 

 Montagu). 



This small snail differs from the former in its smaller size, its 

 depressed spire, and larger umbilicus, but especially in having 

 numerous rib-like striae round each whorl. 



It is found from Scotland to the Channel Islands, and occurs 

 under stones, wood, &c, in woods and fields, and also on the 

 stalks of grass and other herbage. Now and then numbers 

 may be noticed on low bushes. It especially flourishes near 

 the sea, and in those localities it occurs frequently in gardens. 

 It is often very abundant and harmful in corn-fields, where it 

 has been found attacking not only the leaves but also the de- 

 veloping ears. The round, white, opaque ova are laid in 

 September and October. They are placed in groups, from 

 thirty to forty being produced by each snail. The ova hatch 

 in three weeks and the young snails become adult at the end 

 of the following year. 



(7). The Hairy Snail {Helix Jiispida. Linn.). 



This is mainly a pest in gardens and osier beds. It is a 

 small snail ; the shell is thin and semi-transparent, light ashy- 

 grey to yellowish-brown, with here and there faint streaks of 

 brown, giving it a mottled appearanee. The epidermis is thick 

 and clothed with short white hairs ; whorls six to seven, rounded, 

 and moderately convex on both sides, the last whorl equal to 

 about one-third of the shell. It may be found everywhere 

 under stones, moss, grass, logs, boxes, &c, on the ground. It 

 eats the leaves of tender garden plants, especially lilies and 

 others of a succulent nature. The eggs are laid from April to 

 September ; they are globular, white, and opaque. Each snail 

 lays about fifty, and they take from twenty-one to twenty-five 

 days to incubate. The young emerge from the egg with nearly 

 the whole of one whorl formed, and part of this shell is covered 

 with short red hairs. 



These are all the snails that occur in sufficient numbers to do 

 damage in field and garden. Others probably do some little 



