UMAX. 1 9 



ourselves in Surrey. It is probably a generally distri- 

 buted species, often passed over for the young of cinereus. 



L. flavus, Linnseus. 



Back rounded, carinated at tail ; shield rounded behind, 

 wrinkled ; colour yellowish, spotted with dusky ; tentacles blue. 

 Mucus slightly yellowish. 



Plate E. E. E. fig. 1. 



Limax fiavus, Linnaeus (not of Muller). — Nillson, Moll. Suec. p. 5. — Gray, 

 Man. p. 114, pi. 5, f. 16. — Clarke, Ann. Nat. Hist. vol. xii. 

 p. 338 t. 11, f. 11, 12.— Brown, 111. Brit. Conch, p. 55. 

 „ variegatus, Draparnaud, Hist. p. 127. — Ferussac, Hist. p. 71, pi. 5, 

 f. 1-4. — Bouchard Chantereaux, Mem. Soc. Ag. Boul. 

 2nd ser. vol. i. p. 163. — Macgillivray, Moll. Aberd. 

 p. 76. — Nunneley, Leeds Trans, vol. i. p. 47, pi. 1, f. 3. 

 — Griffith, Cuv. pi. 35, f. 3. 

 „ cinereus, var. y. Muller, Hist. Verm. vol. ii. p. 6. 

 Umacella ungtiiadata, Brard. Moll. Par. pi. 4, f. 3, 4, 11, 12. 

 Limacclhts variegatus, Turtont, Man. p. 23, pi. 3, f. 4. 



The cellar-slug is a large, fleshy species, attaining 

 a length of four or five inches, or even more. Its head 

 is comparatively small, and bears rather short tentacula, 

 remarkable (as well as the neck) for their pale blue 

 colour. The shield is oval-oblong, finely wrinkled con- 

 centrically or transversely, truncate in front, subtruncate 

 or rounded behind ; its respiratory orifice is postero- 

 lateral ; its colour is usually ash-grey, with numerous 

 pale yellow spots. The back is rounded and full, its 

 surface scored with reticulated furrows, the wrinkles be- 

 tween which are slightly carinated and obscurely crenate. 

 The colour of the back is ash-grey, with yellow blotches. 

 The tail is obtuse, and carinated above. The margins 

 of the foot, the sole of which is white, are yellowish- 

 white. The mucus is colourless. The shell is four or 



