6 : KING: KADAPAH AND KARNÜL FORMATIONS. [PART I. 
<“ 954, —That those found in alluvial soil are produced from the debris 
of the above rock, and have been brought thither by some torrent or 
deluge which could alone have transported such large masses and 
pebbles from the parent rock, and that no modern or traditional inun- ۰ 
dation has reached to such an extent. The first part of this deduction 
is correct; the alluvial washings in the Cuddapah and Kurnool Districts 
are in deposits which are evidently derived from rocks close by the form- 
ation of which perhaps hardly required such violent forces as the writer 
supposes. 
« 3rd.—That the diamonds found at present in the beds of the rivers 
are washed down by the annual rains.” 
We now come to the earlier writings of Captain Newbold, of the 
Madras Army, the first of which is “ A glance at 
the Banaganpilly Jaghire, taken while passing 
through that territory in March 1836".* This paper is mainly descrip- 
tive of the diamond mines and the rocks in which they are worked, but 
Capt. Newbold (1836). 
the author does not put forward any views as to the age or relations of 
the rocks. 
Before proceeding further with the papers of this indefatigable 
observer, it is necessary to refer to those of three other and contemporary ۱ 
writers. 
In a paper by Dr. Alexander Turnbull Christie, which was reprinted 
Donati loners in the Madras Journal of 1836, the rocks of 
(1836). Cuddapah and Kurnool are referred to. The 
matter of these sketches has reference mainly to Dharwar and the adjacent 
* Madras Jour., Lit. and Sci. vol. III, p. 117 (1836). 
+ Sketches of the Meteorology, Geology, Agriculture, Botany, and Zoology of the : 
Southern Mahratta Country.—By A. T. Christie, M. D., (from the Edinburgh New Phil. 
Jour). Madras Jour., Lit. and Sci., vol. IV, pp. 185, 452 (1836). 
o) 
