ae 
286 HELIX NEMORALIS. 
tow-path to Old Windsor, about a mile west of Staines. In the city of 
London, near the Guildhall School of Music, in a sandy section, at a depth 
of ten to fifteen feet below the surface, disclosed by sewage operations, 
this species was found by Mr. W. J. Lewis Abbott. 
In Oxford, Kennard and Warren record it from a greyish marl on the 
bank of the river 'hames, near Clifton Hampden. 
In Cambridge, it is recorded by Rev. R. Ashington Bullen from a super- 
ficial deposit of Romano-British age at Harlton near Cambridge. 
In East Gloucester, it is recorded by Hinton and Kennard from all the 
enumerated beds in the gravel pit at Cleeve Hill. 
In Hereford, Mr. J. E. Ballard found specimens in an alluvial deposit, 
disclosed by draining excavations, close by the churchyard at Ledbury. 
In Glamorgan, Mr. Storrie found examples at considerable depths during 
the excavations of a Roman villa at Llantwit Major, near Cardiff. 
In Notts., Mr. Musson records it in a black alluvium, three to four feet in 
thickness, overlaying Keuper-Clay, on the moors at Bingham and Gotham, 
In South-West Yorks., it has been reported by Dr. Corbett from the 
ancient lacustrine deposit at Askern near Doncaster. In Mid-West Yorks., 
Mr. J. Wilfrid Jackson records it from the alluvial beds of the Ribble Valley 
near Great Mitton; and Mr. G. Roberts from the old bed of Bishopdyke 
near Sherburn. 
In Ireland, it has been found in Antrim by Mr. R. Welch in the old land 
shell “ pockets” on the dunes at Whitepark Bay. 
<= 
Fig, 344.—One of the few isolated remnants of the Holocene land shell deposit, 
Dog’s Bay, Galway West (from photo. by Mr. R. Welch). 
A.—Topmost layer of sand with grass roots and very few shells. 
B.—Old land surface, black in colour, full of shells of 7, xemzoradis, etc., of ordinary form. 
X.—Foraminiferous sand with she'ls more sparingly distributed. 
C.—Lower zone, full of the large and heavy race of //. memorvadlis and but few others. 
The surrounding ground is covered with talus made up by a mixture of the various zones as they 
become gradually disintegrated and scattered by the weather. 
