﻿U. 
  S. 
  DEPARTMENT 
  OF 
  AGRICULTURg. 
  

   'J53r 
  THIRD 
  REPORT 
  

  

  3ncl 
  

  

  * 
  ' 
  V 
  -' 
  OF 
  THE 
  

  

  UNITED 
  STATES 
  

  

  ENTOMOLOGICAL 
  COMMISSION, 
  

  

  RELATING 
  TO 
  

  

  THE 
  ROCKY 
  MOUNTAIN 
  LOCUST, 
  THE 
  WESTERN 
  CRICKET, 
  THE 
  ARMY 
  

   WORM, 
  CANKER 
  WORMS, 
  AND 
  THE 
  HESSIAN 
  FLY; 
  

  

  TOGETHER 
  WITH 
  

  

  DESCRIPTIONS 
  OF 
  LARV^ 
  OF 
  INJURIOUS 
  FOREST 
  INSECTS, 
  STUDIES 
  

  

  ON 
  THE 
  EMBRYOLOGICAL 
  DEVELOPMENT 
  OF 
  THE 
  LOCUST 
  

  

  AND 
  OF 
  OTHER 
  INSECTS, 
  AND 
  ON 
  THE 
  SYSTEMATIC 
  

  

  POSITION 
  OF 
  THE 
  ORTHOPTERA 
  IN 
  RELATION 
  

  

  TO 
  OTHER 
  ORDERS 
  OF 
  INSECTS: 
  

  

  :m:^i>s 
  j^nt} 
  iLLTJSTR^Tioiisrs. 
  

  

  "^■^^ 
  

  

  ^i 
  

  

  

  WASHIjJIGTON: 
  

   goteenment 
  feinting 
  office. 
  

  

  1883. 
  

  

  