98 HELICID&. 



Shell dextral, usually depressed, thin, glossy, more or less 

 transparent ; mouth semilunar or roundish ; outer lip thin ; 

 umbilicus usually distinct. 



The Zonites live in moist and shady places, and 

 feed upon animal as well as vegetable matter. Their 

 jaw resembles that of Limax, Vitrina, and Succinea, 

 being smooth, arched, and provided with a more or 

 less prominent beak in the centre of the lower edge. 



Some species, especially when irritated, emit a 

 strong smell of garlic. Their eggs are united to- 

 gether in masses and deposited in the ground. 



A. Spire depressed ; umbilicus open. 

 t. ZONITES CELLA'RIUS,* MULLER. PL. VII. 



Body bluntly rounded in front, gradually tapering behind, not 

 very transparent, of a dusky slate-colour above, pale slaty-grey 

 on the sides, covered, except on the neck, with small, round, 

 close-set, flattened tubercles ; tentacles rather long and slender, 

 bulbs large, upper tentacles somewhat separated at their base, 

 of a dark slate-colour granulated with black specks, lower pair 

 closer together, yellowish-grey with black spots ; foot very 

 narrow, yellowish- grey, pointed and slightly keeled behind ; 

 lingual ribbon with 38 rows of 35 teeth = 1330. 



Shell compressed, almost equally convex above and below, 

 rather thin and fragile, glossy, somewhat transparent, pale 

 brownish or yellowish horn-colour above, opaque white some- 

 times faintly tinged with green beneath, with irregular curved 

 striae (which are more strongly defined near the suture) in the 

 line of growth, and faintly striated spirally ; epidermis thickish ; 

 ivhorls 5-6, gradually enlarging, body whorl about half the 

 size of the shell ; spire short, apex very blunt ; suture shallow, 

 grooved ; mouth semilunar, oblique ; outer lip slightly reflected ; 

 umbilicus broad and deep. 



Frequenting cellars. 



