STONE AGES OF CEYLON. 107 
Mullaittivu, a total distance of over 850 miles, most of which 
[have covered more than once. Besides this, I have travelled 
and made observations in all the Provinces of Ceylon, except 
the Eastern. From what I have learnt from those who know 
the Eastern Province, I gather that plateau deposits are 
represented there ; certainly they occur in all the others, and 
everywhere their features are much the same. 
A complete list of all the places in which I have found these 
remarkable beds would not only be tiresome, but also out of 
place in a general paper such as this. 
The following is an account of the more interesting localities 
in which plateau deposits occur. 
Starting from the Kumbukkan river and working eastwards 
to Hambantota one comes upon a number of plateau outcrops, 
and a still greater number of plateau deposits which have 
been reconstructed at lower levels. The best exposures are to 
be seen between Uda Potana and Yala, where there are several 
outcrops of exceptional interest. The best, perhaps, is at 
Minihagalkanda. 
Here an ancient plane of marine denudation, once of 
crystalline rock, but now highly kaolinized, supports  sedi- 
mentary strata, which in their turn are covered by plateau 
beds. The site is highly implementiferous, and is, perhaps, 
the most geologically interesting of all plateau sites that I 
have seen. Between Minihagalkanda and the lowland hills, 
situated several miles inland, are reconstructed plateau gravels 
and other deposits of newer formation than the red earth, 
while here and there one can trace the remains of gravels still 
in situ around the hills. 
Travelling towards Hambantota one sees occasional plateau 
outcrops, and quite a number of implementiferous deposits 
of younger date. I am inclined to think, though I have not 
sufficient evidence to prove the supposition, that the re- 
constructed gravels and other beds formed after the denuda- 
tion of the red earth are more or lesscontemporaneous with the 
Pigmies and (?) Neolithic tools with which they are associated, 
and younger than the larger types which are found in the same 
beds, which artefacts, I suppose, were derived from the older 
gravels, 
