LIMAX. 
83 
tall, in the position of the shield, which is nearly 
central when the animal is fully extended, and in 
the size of the shield, which is as long as the pos- 
terior half of the body ; nor is there any keel on 
this part. 
21 . 6. Limax tenellus. \ back rounded, 
compressed near the tail ; shield with fine con- 
centric wrinkles, rounded behind. Mucus 
orange coloured. 
Limax tenellus. Muller ^ Verm. ii. 11.; Nilson, Moll. Suec. 
10. ; Alder ^ Cat Moll. Norths 31. ; Forhes and Hanley., JB. M. 
iv. 21. t. F F F. f. 3. — Arion tenellus. Ray and Drouet., 
Moll. Champ. 
Woods, Northumberland, (ikfr. BlacMock,^ 
c. Back keeled from the mantle ; mantle granulated^ 
shorty truncated, and notched behind, with two small 
pores on its hinder edge ; shell oval^ thick, convex 
beneath. (Milax, or Amalia). 
22 . 7. Limax Sowerbii. Keeled Slug. — -Yellowish, 
tessellated with brown ; head and tentacles 
black; mantle granulated and with a furrow 
near its margin ; the ridge or keel of the back 
very obvious, and of an amber colour; the sides 
pale ; shell oval, often thickened, and very con- 
vex beneath, (t. 3. f. 15.) 
Limax Sowerbii. Ferussac, Hist. Moll. t. 8. D. f. 7, 8. ; 
Henson, Loudon's Mag. N. Hist. vi. 694. f. 120. a. h. ; Alder, 
M. Z. ^ B. ii. 105. ; Clark, Ann. and Mag. N. H. xvi. 339. 
t. 12. f. 14, 15.; Alder, Cat. North. 31.; Forhes and Hanley, 
B.M. iv. 22. t. K E E. f. 3 — Limax carinatus. Leach, 
Syn. Moll. 54. t. 8. f. 3. ; Turton, Man. ed. 1. n. 15. ; Alder, 
M. Z, ^ B. ii. 105. ; Thompson, Ann. N. Hist. vi. 208. — 
