ZONITES. 99 



Inhabits damp cellars, outhouses, yards, and similar 

 places, under stones, bricks, or tiles, as well as woods 

 and hedgerows, among moss and below fallen trees, 

 throughout Great Britain. This common species Is 

 timid and inactive. It secretes a large quantity of 

 thin slime. It lays from thirty to forty eggs, and the 

 young are hatched in from fifteen to sixteen days. 



Var. I. cornplanata. — Shell smaller, spire flatter. 

 Var. 2. albida. — Shell colourless, or white. 

 Var. 3. compacta. — Shell more compact, and convex ; body- 

 whorl less swollen, not so white beneath. 



These varieties are of tolerably frequent occurrence. 

 2. Z. allia'rius,* Muller. Pl. VII. 



Body blackish ; tentacles short ; in other respects resembling 

 the last species. 



Shell less depressed above, rather more compressed below 

 than in Z. cellarms, somewhat thicker, more glossy, of a darker 

 horn-colour above, and with less of the opaque white colour 

 below ; stri(Z faint ; whorls 4-5, somewhat convex, body whorl 

 smaller in proportion than that of the last species ; spire slightly- 

 produced ; suture well defined, but not grooved ; mouth narrow ; 

 outer lip slightly reflected ; umbilicus wide and deep ; lingual 

 ribbon with 35 rows of 25 teeth = 875. 



Inhabits woods, hedgerows, and mossy banks, as 

 well as more exposed situations, under stones, &c., all 

 over Great Britain, but It Is rather local. The shell 

 is much smaller than that of Z. cellarms, its spire Is 

 more produced, the mouth narrower, and the umbilicus 

 proportlonably wider. Gwyn Jeffreys says : ** If the 

 two shells are held sideways, with the mouth towards 

 the observer, the last whorl of Z. cellarms will appear 



* Smelling of garlic. 



H 2 



