RECORDS 
OP THE 
GEOLOGICAL 
SURVEY 
OF 
INDIA. 
VOL. IV. 
PUBLISHED BY ORDER, OF HIS EXCELLENCY THE GOVERNOR GENERAL OF INDIA IN COUNCIL, 
UNDER THE DIRECTION OR 
THOMAS OLDHAM, LL.D., F.R.S., 
SUPERINTENDENT OP THE GEOLOGICAL SURVEY OP INDIA. 
CALCUTTA: 
PRINTED FOB THE GOVERN MEN T OF INDIA. 
LONDON : TBUBNER, AND CO. 
MDCCCLXXI. 
