116 PNEUMONOBRANCHIATA. 



Limax carinatus. Leach, Moll. 73. t. 8. f. 1. ; Tur- 



ton, Man. ed. 1. n. 15. ; Alder, M. Z. §• B. ii. 



105. 

 Limacella unguicula. Brard, 116. t. 4. f. 3, 4. 11, 



12. (Shell.) 

 Limacellus unguiculus. Turton, Man. ed. 1. t. 3. 



f. 15. 



Inhab. gardens near London and Chelsea. 



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. a. b. 

 from Mr. Denson's paper.) 



The eggs are oval, soft, elastic, nearly f % of an inch 

 long, as transparent as ground glass, but of a yellow- 

 ish hue ; the two coats of the egg are clouded with 

 very minute white freckles, producing the appearance 

 of ground glass. 



This species was first noticed by Dr. Leach, who 

 received it from Chelsea, and named and put it in 

 the British Museum collection in 1817. 



Mr. Alder considered L. carinatus and L. Soiverbii 

 two different species instead of synonyma of the 

 same. 



They sometimes, like many of their congeners, feed 

 on animal food, and even devour the dead remains of 



