MEMOIRS 



GEOLOGICAL SURVEY 



INDIA. 



VOL. III. 



PUBLISHED BY ORDER OF HIS EXCELLENCY THE GOVERNOR GENERAL OF INDIA 



IN COUNCIL, 

 UNDER THE DIRECTION OF 



THOMAS OLDHAM, LLD.,. 



Fellow of the Royal and Geological Societies of London ; Member of the Royal Irish Academy ; 

 Hon. Mem. of the Leop-Carol. Academy of Sciences; of the Isis, Dresden, &c, &c. 



SUPERINTENDENT OP THE GEOLOGICAL SURVEY OF INDIA. 



CALCUTTA: 



PRINTED FOR THE GOVERNMENT OF INDIA. 

 SOLD BY 



THACKER, SPINK & CO., R. C. LEPAGE & CO., G. C HAY & CO., 



THACKER & CO., BOMBAY,— PHARAOH & CO., MADRAS, 



WILLIAMS and NORGATE, LONDON. 



MDCCCLXV. 



