THE MOLLUSCAN FAUNA OF THE OUTER HEBRIDES 277 



based, is being presented by him for division between the 

 Royal Scottish Museum at Edinburgh and the Voucher- 

 collection of the Conchological Society of Great Britain and 

 Ireland, which is at present located at the Manchester 

 Museum. 



My list is as follows, all specimens having been 

 authenticated by the Referees of the Conchological 

 Society : 



Limax arborum. 



Lewis. Callernish, 4th July 191 8, two typical adults, in 

 moss, grass, stones (F. Montague Dyke) ; Linshader, 20th July 

 191 8, two adults, type (id.). 



St Kilda. At back of Connacher and at mouth of Avon 

 Mhor, Hirta Island, var. nigra, July 1905 (J. Waterston). 



Agviolimax agrestis. 



Lewis. Stornoway, one, type, 10th August 1886 (A. 

 Somerville) ; Creed Bridge near Stornoway, three, 24th June 

 191 8 (F. Montague Dyke); Callernish, in moss, grass, stones, 

 4th July 1918, one adult, three juv. (id.) ; Linshader, 20th 

 July 1918, several under mossy stones, grass, etc. (id.). 



Avion ater. 



Lewis. Callernish, in moss, grass, stones, 4th July 19 18, 

 one half-grown var. nigvescens (F. Montague Dyke) ; Cam is 

 near Uig, 30th September 19 18, one very fine adult var. 

 castanea, under log in damp ground, dark brown (id.). 



Barra. Castlebay, 7th July 1887, type and var. casta?iea, 

 plentiful on the lower grassy slopes of the hills (J. E. 

 Somerville). 



Flannan Islands. September 1904, type, slightly brownish 

 beneath (W. Eagle Clarke). 



Avion subfuscus. 



Lewis. Callernish, in moss, grass, stones, 4th July 1918, 

 one nearly adult xax.fuliginea (F. Montague Dyke) ; Linshader, 

 one, small, under mossy stones, 20th July 1918 (id.). 



Avion civcumscviptus. 



Lewis. Stornoway (Charles Ashford, 22nd September 

 1886); churchyard of Eye near Stornoway, September 18S6 

 (A. Somerville). 



A vion in tevmediu s . 



Lewis. Stornoway, one, 10th August 1886 (A. Somerville) ; 



84 2K 



