MEMOIRS 



OF THE 



GEOLOGICAL SURVEY OF INDIA. 



VOLUME XXVII, PART 2. 



Published by order of His Excellency the Governor General of India 



in Council. 



CALCUTTA : 



SOLD AT THE OFFICE OF THE GEOLOGICAL SURVEY. 



LONDON: KEGAN PAUL, TRENCH, TRUBNER, & Co. 



MDCCCXCVII. 



