4 THE MOLLUSCA OF DORSETSHIRE. 
10. L. arborum, Bouchard Chanteraus. 
Frequents trees, especially the beech and walnut, under the 
bark of trees that have been felled and decayed. It is 
occasionally found under stones and among rocks. Professor 
E. Forbes found it creeping on stones and rocks 1,500 feet 
above the level of the sea in County Kerry. 
East Lulworth, near the carpenter’s yard, Kendall. 
Weymouth, Damon. 
Clenston Wood, J. C. M.-P. 
11. L. maximus, L. 
Woods, gardens, hedges, under old logs of wood. 
Generally distributed. 
12. L. brunneus, Bouchard Chanteraux. 
Regarded by Gwyn Jeffreys as a doubtful species and probably 
only a small variety of L. agrestis. 
Wool, Kendall. 
Whatcombe Park, J. C. M.-P. 
ARIONIDA. 
ARION, Ferussac, 1819. 
13. A. ater, L. 
Woods, hedges, fields, damp places. 
Generally distributed. 
Var. albolateralis, Roebuck ; Maiden Castle, 7. F. Brown. 
14. A. hortensis, Férussac. 
Like the preceding, the shell is granular, but the granules 
differ in being cemented together. 
Lives under stones and dead leaves. 
Generally distributed. 
15. A. eireumscriptus, Johnston. 
Conchologist, Vol. i., p. 34, 35. 
Var. americanus, Pollonera. Sturminster Marshall, 7. D. A. 
Cockerell. 
Var. subalbidus, Cockerell. T. D. A. Cockerell. 
