﻿II 
  — 
  

  

  

  Map 
  No. 
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  MIGRATIONS 
  

   ~-\_.-. 
  & 
  _J|L. 
  ROCKY 
  MOUNTAIN 
  LOCUST 
  

  

  ^ 
  flft, 
  IN 
  1877, 
  

  

  6 
  

  

  

  

  .■ 
  

  

  ^SS^||| 
  IS 
  HAREA 
  WHERE 
  THE 
  YOUNG 
  HATCHED. 
  

  

  HL 
  1^. 
  »■ 
  Course 
  of 
  flight. 
  

  

  ^(k. 
  *l 
  ill 
  ** 
  ^ 
  Ret"'" 
  fight. 
  

  

  ■ 
  

  

  Jjiy^ 
  

  

  

  

  " 
  

  

  

  