﻿90 
  . 
  [Senate 
  

  

  REFERENCES. 
  

  

  a. 
  Soil. 
  

  

  h. 
  Sulphate 
  of 
  Barytes. 
  

  

  c. 
  Iron 
  foam. 
  

  

  The 
  evidences 
  of 
  igneous 
  agency 
  at 
  this 
  locality 
  are 
  decided, 
  

   as 
  the 
  limestone 
  near 
  the 
  ore 
  appears 
  to 
  have 
  been 
  calcined 
  and 
  

   partially 
  vitrified 
  by 
  heat. 
  

  

  