120 THE LAND AND FBESHWATEtt MOLLUSCA OF DORSETSlIiKE. 



Shell subcylindrieal or oval ; thin, glossy, transparent, reddish- 

 brown, or yellowish, with very fine, close-set, unequal, indistinct 

 longitudinal striae ; whorls four-and-a-half, convex, the last nearly as 

 large as the rest of the shell ; spire obtusely pointed ; teeth four or 

 five, one sharp and prominent on the middle of the pillar, one strong 

 and thick on the pillar-lip, and two or three plait-like teeth inside 

 the outer lip, which is rather thin and slightly reflected ; umbilicus 

 small and deep. L.0.065. B.0.04. 



Var. pallida. Shell thinner and of a lighter colour. 

 Hab. Under stones and logs of wood, at the roots of grass. 

 East Lul worth (Kendall) ; Ulwell, near Swanage ; Houghton 

 Wood (J.C.M.P.) Var. Wool (Daniel). 



3. v. EDENTULA, Drapamaud, pi. 10. 

 Bobinson's Purbeck, p. 178. 



Body slender, ash-grey, darker above, paler behind, on the sides, 

 and beneath. 



Shell oblong, cylindrical, thin, transparent, glossy, light yellowish 

 horn-colour, smewhat inclined to be angular: whorls five-and-a-half 

 to six-and-a-half ; spire blunt; sutme deep; mouth destitute of 

 teeth; outer //^interrupted, without an outside rib, scarcely reflected 

 except towards the umbilicus, which is narrow and deep, half sur- 

 rounded by the base of the last whorl. B.O.I. B.0.05. 



Hab. Woods, among dead leaves, at the roots of grass and on 

 the trunks of trees. Chapman's Pool, near Encombe (Smith) ; 

 East Lulworth (Kendall) ; on the walls of Ulwell, near 

 Swanage (J.C.M.P.). 



4. v. MINUTISSIMA, Hartmann, pi. 10. 



Brit. Conch., vol. i., p. 270. 



Body narrow, and rounded in front, gradually attenuated and 

 slightly blunt behind, slate-grey ; dotted with black. 



Shell oblong, nearly cylindrical, semi-transparent }nd glossy, yel- 

 lowish or horn-colour, periphery rounded, with a tendency to angu- 

 larity : whorls five-and-a-half, moderately convex, the body whorl 

 occupying about two-fifths of the shell ; spire blunt at the point ; 

 mouth (in British specimens) destitute of teeth ; outer lip thin, white 

 and reflected ; umbilicus small. L.0.07. B.0.0y5. 



Hab. Under stones. Lulworth (Gwyn Jeffreys) ; Houghton 

 Wood (J.C.M.P.) 



