THE NG!W YORK 

 ACADEMY OF SCIENCES. 



MEMOIRS 



OF 



THE GEOLOGICAL SURVEY OF INDIA 



VOLUME XXXIX 



Published by Order of the Government of India 



CALCUTTA : 



SOLD AT THE OFFICE OF THE GEOLOGICAL SURVEY OF INDIA 

 27, CHOWRINGHEE ROAD. 



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

 BERLIN : MESSRS. FRIEDLANDER UND SOHN. 



191-i 



