﻿The 
  Succession 
  of 
  the 
  Fossil 
  Faunas 
  in 
  

  

  the 
  Section 
  of 
  the 
  Livonia 
  

  

  Salt 
  Shaft. 
  

  

  By 
  John 
  M. 
  Clarke. 
  

  

  