Class VI. HELIX. SNAIL. 



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)3. Lin. Tr. viii. 127- ^"/t. 



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



He. with five spires, externally carinated or 

 depressed to an edge. Umbiiicated ; of a deep 

 brown color. 



A land shell. Inhabits clefts of rocks. 

 Tab. Ixxxvi. Jig. 1 . 



Lin. Tr. viii. 18S. Mont. Test. Br. 428. t. 7. 2. subcari- 



/. 9. NAT A. 



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

 vex shell, the volutions marked with three most 

 delicate raised lines ; diameter one tenth of an 

 inch ; inhabits the sea. 



Coast of Kent and Devonshire. 



