102 The Shell-Collector’s Handbook. 
darkish horn-coloured, with opaque white cloudings around 
‘the umbilicus; whorls five to five and a half, convex, the 
body-whorl occupying about one half of the shell; spire 
slightly produced, with a blunt apex; suture not deep; 
aperture forming three-fourths of a circle; umbilicus 
narrow, deep. Animal dark bluish gray, striped like a 
zebra on each side, and irregularly mottled behind. 
Habitat.—W oods and fields. 
ZONITES NITIDULUS, DRAPARNAUD. 
SHELL flattened, subpellucid, dull waxy-coloured above, 
paler below, and clouded with opaque white round the 
umbilicus; whorls four to five, convex, marked with 
irregularly placed striz, which are interrupted by the 
sutures, and not continued from whorl to whorl; suture 
deepish ; spire slightly produced, with a blunt apex; 
aperture semilunar, a little oblique; peristome not re- 
flected ; umbilicus large, exposing the second whorl. 
Diameter 2ths to 3,ths inch. Animal dark lead coloured, 
marked with tubercles of a darker colour. 
Habitat—Under stones on hedge-sides, among moss, 
in woods and old walls. 
v. nitens (Mich.): Shell rather smaller, and of a lighter 
colour, with a dull and waxy appearance; last whorl 
somewhat larger in proportion to the others, and laterally 
expanded. (= Helia nitens, Michaud. Compl. Drap., p. 
44, pl. xv., f. 1-5.) 
v. Helmii (Alder): Shell pearl-white in colour. 
(= Helix Helmii, Gilbertson’s M.S.) 
ZONITES PURUS, ALDER. 
SHELL depressed, transparent, glossy, whitish or light 
horn-coloured, with numerous transverse circular striz ; 
