﻿GEOLOGICAL 
  SURVEY 
  OF 
  INDIA. 
  

  

  R. 
  D. 
  Oldham. 
  

  

  Memoirs 
  Vol. 
  XXIX, 
  PI. 
  XX, 
  

  

  FIG. 
  1. 
  DEPUTY 
  COMMISSIONER'S 
  CUTCHERRY, 
  GAUHATI. 
  

  

  Photo.Block. 
  

  

  Survey 
  of 
  India 
  Offices, 
  Calcutta, 
  J\ 
  

  

  