16. 
Lie 
18. 
bo: 
THE MOLLUSCA OF DORSETSHIRE. 9) 
ZONITIDA. 
The forms so frequently called Zonites still merit a thorough 
revision ; for present purposes it seems wisest to follow 
Tryon and E, A. Smith, using their ‘ sections” as genera 
and grouping them in the following way :— 
VITREA, Fitzinger, 1853. 
V. erystallina (Mill.) Zonites crystallinus (Gray). 
Purbeck Papers, Vol. 1i., p. 44. 
Under stones, among moss in woods, and damp places. 
Very smooth, shining, hyaline, depressed. 
Generally distributed. 
Weymouth, Damon. 
Wareham, Stoborough meadows, J. H. Austen. 
Creech Grange Wood; Houghton Wood; Whatcombe Park, 
J.C. M.-P. 
POLITA, Held, 1837. 
P. cellaria, Mull. Zonites cellarius, Gray. Helix 
nitens (Mat. and Rack.) 
Pulteney, p. 54, pl. 10, f. 22. 
Cellars, under stones, drains, among grass. 
Generally distributed. 
Fossil: Blashenwell tufaceous deposit. 
P. alliaria (AZill.) Zonites alliarius, Ail. 
Glossy, amber colour, more transparent and fulgent than 
the preceding ; has a smell of garlic. 
On stone walls, fallen timber, under stones. 
Generally distributed. 
Clenston Wood, under the bark of fallen trees, J. C. M.-P. 
Smedmore, on walls under ivy, J. C. M.-P. 
P. pura (Ald.) Zonites purus, Ald. 
Among dead leaves and moss. 
Bloxworth, C. 0. P. Cambridge. 
East Lulworth, Kendall. 
Weymouth, Damon. 
Houghton Wood, Whatcombe Park, J. C. M.-P. 
