74 LAND AND FRESH-WATER SHELLS. 



three bands by a median longitudinal band. Length 2 inches. 

 West Kerry, Ireland. G. maculosus. 



12. Amalia. Shell oval or elliptical. Mantle granulated, 

 having the respiratory orifice on its posterior half; back keeled 

 from tail to mantle ; slime-gland absent. 



(a) Animal varying in colour ; mantle oblong, bilobed, rounded 

 behind, somewhat truncated anteriorily ; tentacles slate-coloured ; 

 slime colourless, glutinous. Shell oval, rugous, thick from 

 nucleus to centre. Length 2\ inches. Gardens and hedgerows. 

 Local. A. gagates. 1 



(b) Animal varying in colour, truncated in front ; mantle an 

 elongated oval, not bilobed ; head and tentacles dusky ; keel of a 

 lighter colour than the rest of the back ; slime colourless, glutinous. 

 Shell elliptical, somewhat concave, very thick. Length 2\ inches. 

 Gardens and fields. Common. A. marginata^ 



13. Limax. Shell oval, oblong, quadrangular, or unguiform. 

 Mantle concentrically striated ; respiratory orifice situated on 

 posterior half of mantle ; tail keeled, not the back ; slime gland 

 absent. 



(a) Animal fleshy, yellow, tessellated with black* and white, 

 coarsely tuberculated ; mantle broadly rounded behind ; head, 

 neck, and tentacles slate colour ; sole milk-white ; slime yellow. 

 Shell oblong or quadrangular, thin, concave, margin mem- 

 branaceous. Length, 4 inches. Cellars and damp places. 

 Common. L. flavus.^ 



(b) Animal varying in colour, generally creamy-white mottled 

 with dusky grey ; mantle large, broadly rounded behind ; foot 

 pale grey or cream colour ; slime milk-white. Shell small, oval, 

 thin, margin membranaceous. Length | to i^ inches. Fields, 

 gardens, woods. Very common. L. agrestts** 



42 v. plumbens, lead-coloured ; v. rava, drab-coloured ; v. olivacea, olive- 

 coloured. 



43 v. rustica, greyish, mantle reddish, with a longitudinal black band on each 

 side ; v. rufula, yellowish-red. 



44 v. virescens, greenish, spots indistinct ; v. grisea, ground-colour grej 

 instead of yellow, otherwise like the type ; v. sujfttsa, grey, unicolor. 



45 v. flans, greyish -white or ashy, mantle yellowish ; v. nigra, jet black, 

 tentacles bluish or brownish-black, sole pale ; v. sylvatica, greyish, mottled , 



