Mi BY The Shell-Collector’s Handbook. 
HELIX ARBUSTORUM, LINN. 
SHELL globose, thin, marked concentrically with very 
minute strize, brown, marked with yellowish spots and a 
single blackish band, which girdles the middle of each 
whorl; whorls five to six, convex, the last whorl making 
two-thirds of the shell; spire short, conoid, obtuse; 
aperture rounded, lunate; peristome white, reflected. 
Diam. maj. 24, min. 20, alt. 16 mill. Animal dark olive- 
green or bluish-black, coarsely tuberculated. 
Habitat—Woods, hedgerows, and among the willows 
and reeds of river banks and ditch sides. 
v. Baylei (Zecog): Shell smaller, more conoid, ex- 
tremely thin, very transparent, light greenish-yellow in 
colour. 
v. alpestris (Zg/l.): Shell half the usual size, spire 
more raised. Diam. maj. 18, min. 15, alt. 12 mill. 
v. conoidea (Westrl): Shell large, conical, irregularly 
striate, with transverse, somewhat confluent, pale yellow 
markings, subperforate. Diam. 24, alt. 26 mill. 
v. fusca (Fér.): Shell very thin, subtransparent, 
brown, nearly unicolour. 
v. Repellina (Charp): Shell more flattened, thin, 
transparent, pale. 
v. marmorata (Roffr): Shell similar to type, but 
destitute of bands. 
v. pallida (Taylor): Shell yellow, or whitish-yellow, 
with bands. 
v. flavescens (Mog.): Shell yellowish, nearly uni- 
color. 
v. albinos (Moq.): Shell whitish, spotless. 
m. sinistrorsum (Fér.): Shell reversed. 
HELIX CANTIANA, MONT. 
SHELL depressed, subglobose, thin, pellucid, yellowish- 
horn coloured, tinged with rose towards the aperture, and 
