M E M I R S 



GEOLOGICAL SURVEY 



INDIA. 



VOL. IV. Pt. 1. 



PUBLISHES BY OEDER OF HIS EXCELLEKCY THE GOVERIs^OR-GENERAL OF INDIA 



IN COUNCIL. 



UNDER THE DIRECTION OF 



THOMAS OLDHAM, L. L. D., 



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

 Hon, Mem. of the Leap. Carol. Academy of Natural Sciences, Jena ; &c. &c. 



SUPERINTENDENT OP THE GEOLOGICAL SDRVET. 



CALCUTTA: 



PRINTED FOE THE GOVERNMENT OF INDLl. 

 SOLD BY 



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



THACKEE & CO., BOMBAY,— PHAEAOH & CO., MADEAS., 



WILLIAMS AND NOEGATE, LONDON. 



MDCCCLXII. 



