﻿Rep. 
  v. 
  S. 
  Geol. 
  aiid 
  (,>eoj;r. 
  Surv. 
  

  

  Plate 
  LXII. 
  

  

  ^MM^=— 
  

  

  Fig. 
  1. 
  

  

  rig. 
  4. 
  

  

  rig. 
  3. 
  

  

  Fig. 
  2. 
  

  

  The 
  Eocky 
  Mountain 
  Locust 
  and. 
  its 
  Youu^ 
  

  

  