THE 
A Monthly Medium for Collectors and Students of Natural History. 
Address of Office: 21, PROSPECT ROW, CAMBRIDGE. 
Vol. II. No. 24. JUNE, 1894. Copyright. 
NOTES ON THE VARIATION AND 
DISTRIBUTION OF BRITISH SLUGS. 
By E. W. Swanton. 
Concluded from page 107. 
Avion elongatus (after Collinge). 
RION fasciatus, Nilsson. 
Collinge rightly re-instates Nilsson’s name giving as 
synonyms, A. circumscriptus, Johnst., A. hourguignati , 
Mab., and A ambiguus , Pollonera. Distribution. The 
census gives sixty-eight counties. It is tolerably common at 
Wychling, Kent, Southampton, and many parts of Someiset. 
Variation. Four vars. are recorded for Great Britain. Var. 
neustriacus , Mabille (=var. sub fuse a, Roebuck.) A common form. 
Var .flavescus, Cllge. Not uncommon. 
Var. nov. griseus, Cllge. 
Var. armoricana , Pollonera. Recorded from Sturminster. 
Marshall, Dorset, by Mr. Cockerell. 
Genus. Geomalacus. Allman. 
Species. Geomalacus maculosus , Allman. 
It occurs in Ireland only, and was discovered in 1842, by Mr. 
W. Andrews, “on rocks around Lough Carrough, to the south of 
Castlemain Bay, Co. Kerry, in the west of Ireland.” Described 
by Professor Allman in a paper read by him in 1843, before the 
