JEpIgns 
Helicella maritima (Draparnaud) 
Plater: oi 
Shell of medium size, wider than high, with a projecting apex. Last (body) 
whorl of full-grown shells descending in front. Color white, with reddish- 
brown spiral bands; surface dull, opaque. Umbilicus narrow, about 1/8 
the diameter of the shell. Aperture roundly ovate; outer lip not reflected, 
but often ringed with a calloused thickening. Adults (with 5-6 whorls) 
measure 12-16 mm, in diameter. 
Distribution: Western and southern Europe. 
Helicella variabilis (Draparnaud) 
Bigune (25 As 
This species is very similar to H. maritima, but has a wider umbilicus 
(about 1/5 the diameter of the shell). Adults (with 5-6 whorls) measure 
12-19 mm. in diameter, 
Distribution: Europe. 
Helicella pyramidata (Draparnaud) 
Eigure). 255, 5. 
The shell of the species is similar to H, maritima and H, variabilis, but 
is somewhat smaller, has a higher spire with a sharper apex, an ovate- 
lunate aperture, and its last whorl is not deflected. Adult shells (with 
5-6 whorls) measure 10-12 mm, in diameter. 
Distribution: Mediterranean Region. 
Helicella caperata (Montagu) 
This species is very similar to H, maritima, but is smaller. Adults 
(with 5-6 whorls) measure 8-12 mm. in diameter,have a more depressed 
spire, has a slightly larger umbilicus (about 1/5 the diameter of the shell), 
and the last whorl does not descend in front. 
Distribution: Western Europe, South Australia. 
