LIMACINEA. 91 



naud, p. 122, pi. 9, f. 3, 4, 5, 6 ; Nunneley, Trans. Phil. Soc. 

 Leeds, p. 46, pi. 1, f. 1, pi. 2, f. 1, pi. 1, f. 1, 3, and G; Limax 

 Rufiis, Drapernaud, p. 123, pi. 9, f- 6. 



Shell spongy, sub-hemispherical. 



This species is very common throughout Great Britain and 

 Ireland, in gardens and woods. Miss M. Ball says the yellow 

 variety is found in the North and South. 



Genus IV — LIMAX Linnaeus. 



Shell oblong, subquadrate, scutiform, extremely thin, and 

 crystalline ; covered with a pale brown epidermis, which extends 

 beyond the margin of the shell ; apex rounded, not convolute, 

 but provided with a cavity at the top. 



Section I. — Mantle of the aniinal produced behind ; shell 

 depressed. 



1. Limax maximus, pi. IX, f. 26. 



Limax maximus, Linnaeus, Syst. Nat., p. 1081, No. 4; 

 Thompson, Ann. and Mag. Nat. Hist., VI, p. 18; Limax 

 cinereus, Mtiller, Verm., II, p. 8, No. 204 ; Gmelin, Syst. Nat., 

 I, p. 3101 ; Alder, Mag. Zool. and Bot., II, p. 105 ; Forbes, 

 Mai. Mon., p. 6; Limax antiquorum, Ferussac, Hist., p. 68, pi. 

 4, f. 8, a, f. 1, pi. 4, f. 4, shell; Limax macidatus, Leach, MSS.; 

 Nunneley, Trans. Phil. Soc. Leeds, I, p. 46, pi. 1, f. 2; Lima- 

 cella Parma, Brard, p. 110, pi. 4, f. 1, 2, 9, 10, shell; Lima- 

 cellus Parma, Turton, Man., p. 24, pi. 2, f. 14, shell; Limax 

 maximus, Brown, lUust. Conch., p. 55, pi. 18,* f. 17. 



Shell thin, cream-white, subdiaphanous, depressed, slightly 

 concave internally ; aperture nearly the whole size of the shell, 

 with the margin of the outer lip membranaceous, and very thin ; 

 external surface slightly wrinkled transversely, and sometimes 

 studded with minute, glistening, crystalline particles ; apophysis 

 of adhesion, small, prominent, situate on the extremity of the 

 top, or broader end ; opposite end rounded, and very thin. 

 Length about six lines ; breadth four lines. 



This species is common all over Great Britain and Ireland, 

 and the Isle of Man, frequenting the bottoms of hedges and 

 damp situations. 



