OF

THE GEOLOGICAL SURVEY OF INDIA.

VOLUME 73.

Published by order of the Government of India.

CALCUTTA: SOLD AT THE CENTRAL BOOK DEPOT, 8, HASTINGS STREET, AND AT THE
OFFICE OF THE GEOLOGICAL SURVEY OF INDIA, 27, ChowRINGHEE ROAD.

DELHI: SOLD AT THE OFFICE OF THE MANAGER OF PUBLICATIONS.