84 
HELICIDJE. 
Limax marginatiis. Drap. Moll. 124. t. 9. f. 7., not Muller, 
— Milax Sowerbii. Gray., Cat, B. M. 175. — (Shell.) Lima- 
cella unguicula. Brard., 116. t. 4. f. 3, 4. 11, 12. — Lima- 
cellus unguiculus. Turion., Man. ed. 1. t. 3. f. 15. 
Inhab. gardens near London and Chelsea. {Leach^ 
1817.) 
The central band of the foot is broader than the 
side ones ; and the keel^ which is very prominent^ ex- 
tends the whole length of the back. (See fig. 30. 
a. b, from Mr. Denson’s paper.) 
Fig. 30. 
Limax Sowerbii. 
The eggs are oval, soft, elastic, nearly 
inch long, as transparent as ground glass, but of a 
yellowish hue ; the two coats of the egg are clouded 
with very minute white freckles, producing the ap- 
pearance of ground glass. 
They sometimes, like many of their congeners, feed 
on animal food, and even devour the dead remains of 
each other, leaving only the skin of the back ; and 
they will also sometimes attack sickly individuals of 
their own species. 
23. 8. Limax gagates. Black Slug. — Blackish grey ; 
brown or greenish shield, rounder behind, granu- 
