42 ROEBUCK : THE BRITISH SLUG LIST. 



nally into three differently coloured bands, the median 

 one white, the two lateral ones dark. 



There are also important differences between the 

 two species in the genital apparatus. 



Found by the Rev. B. J. Clarke in the Spire 

 Hill, Queen's county, Ireland, and in county Cork by 

 Mr. Robert Ball. 



Limax cinereo-niger var. nigra Moq. Animal entirely 

 deep black (Moquin-Tandon). 



The Rev. A. Merle Norman, in his ' Inland 

 Mollusca of Somersetshire ' (i860) mentioned finding 

 in Cleeve Combe an example which he described as 

 " altogether pitchy black, without spot or marking of 

 any kind, and fully six inches long." 



Limax agrestis var fllans Hoy. Animal greyish-white or 

 ash- coloured ; shield yellowish (Moquin-Tandon). 



Originally described from British specimens. 

 The Rev. B. J. Clarke found it equally common with 

 the type in Queen's and Galway counties. 



Limax agrestis var. punctata Picard. Animal greyish or 

 white, with very small black points (Moquin-Tandon). 

 Ireland (Rev. B. J. Clarke, 1843). 



Limax agrestis var. lilacina Moq. Animal lilac, reddish, 

 or colour of the dregs of clear wine (Moquin-Tandon). 

 The Rev. B. J. Clarke speaks of a curious dark 

 variety, of a uniform dark purplish or slate colour, 

 which has not unfrequently occurred to him in Ireland, 

 usually in company with the other varieties (Annals 

 and Mag. Nat. Hist, 1843, ^ii- 338). 



J.C, iv., April, 18S3 



