338 llev. B. J. Clarke on Irish species of the genus Limax. 



were subject to more variety in their markings than I have else- 

 where seen them. 



* * Mantle rounded behind, ^narked ivith concentric strice ■ end of tail 



keeled; shell flat. 



1. Limax flavus, Draparnaud, (PI. XI. figs. 11, 12.) 

 L. variegatus, F&ussac. 



L. " Lutescens, fusco maculatus, tentaculis cseruleis." — Drap. 



Hah. Cellars and damp ground-floors ; sometimes, but rarely, on 

 trees. 



This species may be easily distinguished by its azure-blue ten- 

 taclesj the mantle being always mottled with yellow, the body 

 more or less covered with little oval yellowish spots, and the sides 

 pale yellowish. The yellow spots vary considerably in different 

 individuals, but the figures which I have given represent the 

 usual forms which have occurred to me in Ireland. I have occa- 

 sionally observed this slug in the hollows of old trees, upon the 

 leaves of which it feeds. This species is not uncommon in Ire- 

 land, although nowhere plentiful. It is no doubt the slug which 

 Miss Ball alludes to as finding its way into pantries and eating 

 holes in bread. I have supplied them with bread when kept in 

 confinement, and they eat it voraciously. 



* * * Mantle truncated behind, marked with coticentric stride ; end of 



tail keeled; shell flat. 



1. Limax agrestis, Linn. (PI. XII. f. 13.) 



L. filans (young). Hoi/. 



Limacellus obliquus (shell), Turton. (PI. X. fig. (/.) 

 L. " Albidus maculatus et immaculatus, corpore subrugoso, aper- 



tura laterali postica." — Drap. 

 Var. a. " Albidus, immaculatus." — Drap. 

 Var. ft. " Albidus, atomis nigris sparsis." — Drap. 

 Var. y. " Albidus, clypeo flavescenti." — Drap. 



Hub. Fields and gardens : common. 



Of this abundant little species I have noticed all the varieties 

 described by Draparnaud. There is a curious dark variety which 

 has occurred to me not unfrequently ; it is of a uniform dark pm-- 

 plish or slate colom-, usually found in company with the other 

 varieties. 



* * * * Mantle truncated behind, granulated or shagreened ; entire 

 length of back keeled from the shield or mantle ; shell convex. 



1. Limax Soiverbii (PI. XII. figs. 14, 15.), Ferus. Hist. Moll. t. 8 D. 

 f. 7 ; Alder, Mag. Zool. and Bot. ii. 105. 

 Limax carinatus. Alder, Mag. Zool. and Bot. ii. 105 ; Leach, Moll. 

 73. t. 8. f. 1 ; Gray, Turt. Man. ed. p. 116. 



