s ^'^s.-^ 



MEMOIRS 



.GEOLOGICAL SURVEY 



INDIA. 



VOL, XV. 



PUBLISHED BY OEDEE OF HIS EXCEIiLENCT THE GOYEENOB QENEUAL 0¥ INDIA 



IN COUNCIL. 



CALCUTTA: 



PEINTED FOE THE GOTEENMENT OF INDIA. 



SOLD AT THE 



GEOLOGICAL SURVEY OFFICE, 



OFFICE OF SUPEKINTENDENT OF GOVERNMENT PRIM TING, 



AND BY ALL BOOKSELLERS, 



LONDON: TRUBNER & CO. 



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