96 Journal of the Asiatic Society of Bengal. [N.S., XV, 
the Salt Range. This was doubtless supplemented by the now 
increasing Indus, which drained both the country to the west 
of Murree and Hazara as well as a great portion of what is 
A final uplift, on a more colossal scale than any that had 
preceded it, seems to have been chiefly instrumental in entirely 
and other rivers into the Bay of Bengal, the two systems of 
drainage being separated by the hilly country of the Aravallis 
abruptly south to form the modern Brahmaputra along another 
ancient channel. The way in which this may have been 
further question arises at this point as to how these 
Himalayan rivers, following the direction which, by hypothesis, 
they did, were able eventually to pour their water into the 
Bay of Bengal. This water on entering the old channels of the 
would oppose its passage. Moreover farther south would be 
presumably a drainage system for the old watershed ,—a drainage 
