The Shell-Collector’s Handbook. aes i) | 
ZONITES CELLARIUS, MULL. 
SHELL depressed, dirty-yellow or pale-horn colour, trans- 
parent, shining; under-surface clouded with white, 
especially about the umbilicus; whorls five to six; mouth 
crescent-shaped; umbilicus large, exposing the second 
whorl. Diameter of shell } to } inch. Animal dusky- 
grey. 
Habitat.—Under stones in fields and woods, about walls 
in gardens, and in cellars. Universally distributed. 
v. complanata (Jeff.): Shell smaller, spire flatter. 
(B. C. vol. i., p. 159.) 
v. compacta (Jeff.): Shell more compact and convex ; 
body-whorl less swollen, not so white beneath. (B.C. 
vol. i., p. 160.) 
v. albinos (Mogq.): Shell whitish. 
ZONITES ALLIARIUS, MULL. 
Suet depressed, flat, pale amber or horn-colour, thin, 
transparent, very shining, upper surface smooth, and darker 
than the lower surface, which is not so white beneath as 
in the other species; whorls five, the last not so large 
proportion to the others as in Z. cellarius; umbilicus 
moderately large, exposing the second whorl; aperture 
semilunar, narrow. Diameter {th to + inch. Animal 
darker than, but resembling Z. cellarius, emitting an’ 
alliaceous smell. 
Habitat.—Walls, gardens and woods. 
v. viridula (Jeff.): Shell greenish-white. (B. C. 
vol. i., p. 161.) 
ZONITES GLABER, STUDER. 
Suett thin, very glossy, semi-transparent, compressed, 
convex above, less convex below, transversely striated, 
