RECORDS 
OF THE 
GEOLOGICAL SURVEY 
• OF 
I N I) I A. 
VOL. VI. 
PUBLISHED BY ORDER OF HIS EXCELLENCY THE GOVERNOR GENERAL OF INDIA IN COUNCIL, 
UNDEE THE DIRECTION OF 
THOMAS OLDHAM, LL.D., E.R.S., 
SUPERINTENDENT OF THE GEOLOGICAL SURVEY OF INDIA. 
CALCUTTA : 
MINTED FOE THE GOVERNMENT OF INDIA. 
LONDON : TRUBNER AND CO. 
MDCCCLXXIII. 
