RECORDS 
OF THE 
GEOLOGICAL SFEVEY 
OP 
INDIA. 
VOL. XII. 
riTBLTSHED BT OKDER OF HIS EXCELLENCY THE OOVEBNOR GENERAL OF INDIA IN COUNCIL 
CALCUTTA: 
PRINTED FOR THE GOVERNMENT OF INDIA. 
LONDON; TKUBNER AND CO. 
MDCCCLXXIX. 
