﻿MEMOIRS 
  

  

  OF 
  

  

  THE 
  GEOLOGICAL 
  SURVEY 
  OF 
  INDIA. 
  

  

  VOLUME 
  XXI. 
  

  

  Public 
  hzo 
  b£ 
  oxozx 
  of 
  SJte 
  foallmcg 
  the 
  (&obzxnov 
  dmral 
  of 
  Into 
  

  

  in 
  Council. 
  

  

  CALCUTTA 
  : 
  

  

  SOLD 
  AT 
  THE 
  OFFICE 
  OF 
  THE 
  GEOLOGICAL 
  SURVEY, 
  

  

  AND 
  BY 
  ALL 
  BOOKSELLERS; 
  

  

  LONDON; 
  TRUBNER 
  & 
  CO, 
  

  

  MDCCCLXXXV. 
  

  

  \qb4#l 
  

  

  