Drift Deposit at Carshalton. 291 
- Smaller openings a little further northward also showed loam, 
in places, over sand. 
Besides the sections shown at the works, there were also some 
interesting openings along the lines of sewers, of which the 
following notes may be of use, partly as helping to correct the 
lines on the Geological Survey Map. 
In the middle of the northern part of Tile Green, or west of 
Leicester House, stony clay was found, pointing to the nearness 
of the edge of the gravel, the stones being merely the relic or 
wash of gravel. This was confirmed at various points just east- 
ward, up to the road to Hack Bridge, gravel over London Clay 
being seen, and, by Nightingale Row, gravel. 
In the road between the southern end of The Wrythe and the 
railway-station many large flints occurred in one layer in the 
gravel. 
Along the south-western part of Papermill Lane the variously 
and brightly coloured mottled clays of the Woolwich and Reading 
Beds were cut into; and in North Street, immediately south of 
the junction with that lane, the green sand forming the bottom- 
bed of that formation was found, whilst further south was sand, 
showing the outcrop of the underlying Thanet Sand. 
At Butter Hill, at the turn of the road eastward of Lower Mill, 
the following succession was noted :— 
all Woolwich ; Rock, with shells of Ostrea and Cerithium. - 
Presumably (Sand. 
Beds. Sand. 
At the fork of Acre Lane with the road running north-east to 
Wallington Bridge, there was Thanet Sand. In the latter road, 
at the western end ot the curve about half-way to Manor Road 
(or its continuation), the section seen was as follows :— 
Made ground. 
Thanet Sand: the clayey base with green-coated flints.° 
Chalk, of a washed or rubbly appearance. 
And at the eastern end of the curve there was chalk-rubble. 
The junction of the Thanet Sand and the Chalk was therefore 
precisely marked. 
In Park Lane, just south of Acre Lane, there was Thanet 
Sand for a little way; but further on loam over rubbly Chalk, 
again marking the junction. 
In closing this paper, I wish to note the wise and liberal spirit 
in which the Carshalton Urban District Council has acted ; 
firstly, in having specimens preserved; secondly, in placing 
their specimens in a public museum; and lastly, in making it a 
