i 0.^ 



MEMOIRS 



OF 



THE GEOLOGICAL SURVEY OE INDIA. 



VOLUME XX., Part 1. 



PttbH0k^!b bg oxlbtx oi '^xs €xczilmcy_ the ^o\3ztnox Qlmeral of Inbia 



in Qtoxmdi. 



CALCUTTA : 

 SOLD AT THE OFFICE OF THE GEOLOGICAL SURVEY, 



AND BT ALL BOOKSBLLEES ; 



LONDON: TRUBNER & CO. 



MDCCCLXXXIII. 



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