, 
92 The Shell-Collector’s Handbook. 
EULIMAX (LIMAX) TENELLUS, MULL. 
SHELL oval or oblong, somewhat tuberculous; margin 
broad, thin, membranaceous; boss indistinct, nearly ter- 
minal. Body rounded, compressed towards the tail, 
greenish white; head and tentacles black; mantle yel- 
lowish, rounded behind, concentrically wrinked; slime 
thick, orange coloured. 
Habitat.—W oods in North Britain. Extremely local. 
EULIMAX (LIMAX) ARBORUM, BOUCHARD- 
CHANTEREAUX. 
SHELL oval, thin, nearly flat; margin membranaceous ; 
nucleus small, subterminal. Body cinereous with yellowish- 
white spots, and a dusky band on either side, carinated 
near the tail ; mantle concentrically striate, pomted behind; 
dorsal tentacles short; foot-margin white; slime colour- 
less. Length 13-3 inches. 
Habitat——In woods on trees, especially the beech and 
walnut. 
v. Bettonii (Sordell) : Animal ornamented on the back 
with white and fuscous spots; median band white, with 
two accompanying fuscous bands; median band on mantle 
white, with two alternating white and fuscous lateral 
bands; keel short. 
v. dicipiens (7. D. A. Cockerell): Animal brownish- 
grey, with the markings coalesced so as to produce the 
appearance of pale spots on a dark grey ground; lateral 
bands ill-marked on mantle, none on body; keel short, 
dorsal line partly obsolete. 
v. maculata (Roebuck): Animal with the ground colour 
as in type, but with the markings reduced to small and 
sharply defined black spots of a rounded or elongated form, 
and with a thin continuous band on each side which shows 
a tendency to break up into spots. 
