MEMOIRS 



OP 



THE GEOLOGICAL SURVEY OF INDIA 



Volume XLII 



Published by order of the Government of India. 



CALCUTTA : 

 SOLD AT THE OFFICE OF THE GEOLOGICAL SURVEY OF ItfDIA, 



27, CHOWRINGHEE ROAD. 



LONDON: MESSRS. KEGAN PAUL, TRENCH, TRUBNEB & CO. 



1917 



