The Shell Collector's Handbook. 87 
v. aurantiaca : Animal bright orange, with ill-marked 
lateral bands. 
ARION BOURGUIGNATI, MABILLE. 
ANIMAL whitish-grey ; back blackish, with lateral bands; 
keel well pronounced in young individuals, but becoming 
more and more obsolete as the slug becomes adult, and 
represented then by a pale line; foot whitish; length, 
40 mill. (Mabille, Rev. Zool., 1868). 
Habitat.—W oods, gardens, and fields. 
