The Shell-Collector’s Handbook. 127 
PUPA UMBILICATA, DRAPARNAUD. 
‘SHELL oblong, cylindrical, glabrous, glossy, diaphanous, 
-yellowish-brown or dark horn-colour ; whorls six to seven, 
rounded; spire short, blunt; suture shallow, oblique ; 
aperture obliquely semi-oval, with a single denticle 
at the angle formed by the junction of the outer lip; 
outer lip broad, much reflected, white, yellowish-vrey, 
pink or reddish-brown internally ; umbilicus small, narrow. 
Length 4, diam. 2 mill. Ap. 12 mill. long. Animal grey- 
ish-brown, with the head and tentacles spotted with black. 
Habitat.—Under the bark of old trees, in clefts of rocks, 
and old walls, under stones, and among decayed leaves. 
v. edentula (Mog.): Peristome of the shell without 
denticles. (=—Pupa umbilicata, var. 6, Turton. Shells 
Brit., p. 98). 
v. Sempronii (Charp.): Shell small, aperture without 
denticle, lip not white. 
v. curta (Pase.): Shell shorter, ovoidal, tumid. 
v. albina (Mog.): Shell entirely white. 
PUPA MARGINATA, DRAPARNAUD. 
SHELL ovate, cylindrical, glabrous, finely striated, 
yellowish-horn or light brown in colour; whorls six to 
seven, convex, slightly compressed; spire short, apex 
blunt; suture rather deep; aperture subsemicircular, pro- 
vided with asmall denticle, which is placed in the middle 
of the base of- the last whorl, and with a strong, white 
external rib behind the outer lip; umbilicus narrow. 
Length 33; diam. scarcely 2 mill.; ap. 13 mill. long. 
Animal grey-black above, paler, and covered with black 
specks below. 
Habitat.—Under stones, among moss and dead leaves. 
v. bigranata (Rossm.): Shell with a dentiform palatal 
