﻿MEMOIRS 
  

  

  GEOLOGICAL 
  SURVEY 
  

  

  INDIA. 
  

  

  VOL. 
  X, 
  Pt. 
  1. 
  

  

  PUBLISHED 
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  THOMAS 
  OLDHAM, 
  LL.D., 
  

  

  Fellow 
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  Member, 
  of 
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  Hon. 
  Mem. 
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  of 
  the 
  Isis, 
  Dresden; 
  

  

  of 
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  Geol. 
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  of 
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  Lond., 
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