391 



not marginated or reflexed, and generally of a reddifh- 

 brown colour ; inner lip replicated ; no teeth, nor umbi- 

 licus. Length a quarter of an inch ; breadth one third 

 its length. 



This fpecies is not uncommon in moid woods, ditch 

 banks, and fliady places; efpecially under decayed wood, 

 or timber that has lain fome time on the ground; it fel- 

 dom afcends the trunks of (landing trees, or even the 

 flalks of grafs or other vegetables, but refides chiefly on 

 the ground. Is at once diftinguiflied, when alive, by its 

 extreme gloffinefs ; but dead (hells frequently become 

 white and opaque. 



It was known to Doftor Solander, and was proba- 

 bly firft named by him H. lubrica, as he fent it to Mr. 

 Bovs under that denomination. 



Animal dufky : tentacula four, clavate; eyes placed 

 at the ends of the two lon^eft. 



16. 

 Helix obfcura. Gmel Syji. p. 3661. 141. Obscura. 



Ti/rt. Lift. iv. p. 539. 



Midler Venn. ii. p. 103. No. 302. 



Favan. t. 65. Y.—M^alL Min. Shells, f. 41. 

 Turbo Rupium. Da Cojla p. 90.— Lift. Angl. t. 2. f. 8. 



H. with a fub-cylindric, fub-conic, opaque, brown, 

 horn-coloured (hell, with from live to feven (pires, fome- 



what 



