128 HELICIDsE. 



Shell subglobular, thin, semitransparent, slightly glossy, of 

 a pale grey, or yellowish horn-colour, sometimes streaked with 

 faint lines of a darker colour, faintly striate in the line of 

 growth ; periphery rounded, not keeled ; epidermis thickish, 

 closely covered with fine, white, silky hairs, which do not easily 

 rub off ; whorls 6, tumid ; spire produced, apex obtuse ; 

 suture moderately deep ; mouth semilunar, occasionally with 

 a slight white internal rib ; outer lip thin, slightly reflected ; 

 umbilicus deep, but very small. 



Inhabits woods and hedgerows among moss, in 

 many places from the north of Scotland to Cornwall, 

 as well as in some parts of Wales, but it is a local 

 species. It is a timid little animal, and when crawling 

 carries its shell in a slanting position. It differs from 

 H. hispida in being more globular and of a lighter 

 colour, in having a more produced spire and thicker 

 coating of hairs, and more particularly in being alto- 

 gether destitute of a keel. 



Var. cornea, Shell horn-colour, very thin, glossy, and semi- 

 transparent ; the labial rib perceptible on the outside. Lul- 

 worth (Jeffreys), B.C. 



13. H. REVELA'TA,* MICHAUD. PL. VIII. 



" Body pale yellowish-grey, sometimes having a reddish or 

 dusky hue, closely tubercled ; mantle yellowish-brown, minutely 

 speckled with brown and milk-white ; tentacles rather thick 

 and long, of a dirty grey colour faintly tinged with violet 

 or brown ; the upper ones finely granulated, with globular 

 bulbs ; foot rounded in front, triangular and keeled behind ; 

 sides marked with transverse furrows." B.C., vol. i. p. 202. 



Shell subglobose, depressed above, thin, semitransparent, 

 somewhat glossy, of a pale olive-green, surface finely granu- 

 lated, and irregularly wrinkled in the line of growth, especially 

 near the suture and umbilicus ; periphery rounded ; epidermis 



* Discovered, 



