vol. xx. (2) NOTES ON COTTESWOLD-MALVERN REGION 113 
on the western side only of the Range, could have been carried 
across to the positions they occupy on the eastern side at 
Castlemorton. This appears to be the only place in which 
striation of the local rocks by ice was probably effected. In 
other cases of smoothing and striation that have come under 
my notice they are such as could have been produced by wind 
polishing or by the movement of rocks upon each other beneath 
the surface. 
There has been a wide dispersal of debris from the Malvern 
Range, probably commencing in Tertiary times with ordinary 
transport by streams, and becoming increasingly active during 
the Glacial Period, when, after thaws, sheets of snow mingled 
with fragments of rock moved down to the Plain. The rock 
fragments become more rounded as the Severn is approached, 
and form part of the gravels on the west of the stream. 
I have found Malvemian pebbles on Sarn Hill and, with 
fragments of Llandovery rock, on Dripshill, both about 200 feet 
O.D. On the summit of one of the hills at Gadbury, near 
Eldersfield, at an elevation of about 180 feet O.D., there are 
sub-angular pieces of Malvernian rock and Drift pebbles. As 
gravel has been carried from the Plain for use in building a 
reservoir at Dripshill ; and an adjacent road at Gadbury has 
been metalled with stone from the Malvems, some doubt 
arises as to the immediate origin of the rock fragments at the 
two places last mentioned. Symonds states that “ many 
angular fragments of Malvern syenite and Llandovery rock 
were ploughed up on the summit of Gadbury Camp ” ( 188 , 
p. 48). 
The Quartzose and Flinty Drifts of the Malverns and the 
Cotteswolds cannot be correlated. There is a considerable 
difference in the maximum height at which they occur, viz. : — 
420 O.D. on the Malverns and 700 O.D. on the Cotteswolds. 
On the former no flints have been found above 310 O.D., while 
on the latter they are associated with Bunter pebbles up to 
700 O.D. The Cotteswolds and the Malvems are 20 miles apart, 
and the positions of the two large Permian and Bunter areas 
in the Midlands indicate that transport of the Quartzose pebbles 
was effected by streams flowing respectively from the eastern 
