﻿PLATE 
  CVIII.— 
  To 
  face 
  page 
  19b. 
  

  

  J. 
  N. 
  Nevius, 
  photo. 
  

  

  i 
  Interior 
  op 
  Northern 
  New 
  York 
  Marble 
  Co.'s 
  Quarry, 
  Near 
  Gouverneur, 
  

  

  St. 
  Lawrence 
  Co. 
  Precambrian. 
  

  

  