Class VI. HELIX. SNAIL. 310 



GENUS XXVIII. HELIX. SNAIL. 



Animal, a Slug. 



Shell spiral, sub-pellucid. 



Aperture semi-lunar. 



* Wreaths acutely angular. 



Lin. Syst. 1241. No. 656. Faun. Suec. No. 2174. 1. lapicida. 



Gm. Lin. 36 13. Lin. Tr. viii. 127- roc ^ 



List. Angl. tab. ii. Jig. 14. Mont. Test. Br. 435. 



He. with five spires, externally carinated or 

 depressed to an edge. Umbilicated ; of a deep 

 brown color. 



A land shell. Inhabits clefts of rocks. 

 Tab. lxxxvi. [fig. 1. 



Lin. Tr. viii. 188. Mont. Test. Br. 438. t. 7. g, subcari- 



* He. with an umbilicated, striated, rather con- 

 rex shell, the volutions marked with three most 

 delicate raised lines ; diameter one tenth of an 

 inch; inhabits the sea. 



Coast of Kent and Devonshire. 



