122 The Shell-Collector’s Handbook. 
Hatitat.—Between the bricks in old walls and castle 
ruins, calcareous soils. 
v. viridescenti-alba (Jeff.): Shell! greenish-white.. 
f.C. vol. 1.,p.‘221.) 
HELIX PYGMAA, DRAPARNAUD. 
SHELL very minute, nearly circular, depressed, thin, pale 
brown horn-colour; whorls four; spire somewhat pro- 
duced, apex glossy; suture deep; aperture semi-lunar : 
umbilicus large, deep. Diam. maj. 13; min. 13; alt. 3 mill. 
Animal slaty-grey or darkish-brown, speckled with black. _ 
Habitat—Among dead leaves, under stones, and at the — 
roots of grass. Moderately common. 
HELIX PULCHELLA, MULLER. 
SHELL sub-depressed, milk-white, glossy, semi-transparent, 
convex equally above and below ; whorls three and a half, 
the body-whorl exceeding in size the rest of the shell; 
spire shghtly produced; suture rather deep ; aperture cir- 
cular; peristome very thick, reflected so as to form a 
double peristome ; umbilicus large, deep. Diam. maj. 3; 
min. 24; alt. 14 mill. Animal milk-white; eyes black. 
Habitat.— Under stones, among moss and grass in damp 
places. 
v. costata (Miill.): Shell not so glossy, slightly red- 
dish, with numerous transverse, curved, membranous ribs: 
as well as intermediate striz. (= H. costata, Mull., Verm. 
Hist. ii., 1774, p. 31). 
v. levigata (Mog.): Shell glossy, whitish ; peristom 
blunt. 
