﻿PLATE 
  XVII. 
  

  

  Fig. 
  1. 
  Melanoplus 
  cinereus 
  Scudder. 
  Female 
  ; 
  Wallula. 
  (This 
  and 
  all 
  the 
  other 
  fig* 
  

   ures 
  of 
  natural 
  size.) 
  

  

  2. 
  Melanoplus 
  devastator 
  Scudder. 
  A 
  small 
  female 
  ; 
  Reno, 
  Nevada. 
  

  

  3. 
  Melanoplus 
  devastator 
  Scudder. 
  A 
  large 
  female 
  ; 
  Redding, 
  California. 
  

  

  4. 
  Melanoplus 
  cinereus 
  Scudder. 
  Female 
  ; 
  Reno, 
  Nevada. 
  

  

  5. 
  Melanoplus 
  cinereus 
  Scudder. 
  Male 
  ; 
  Reno, 
  Nevada. 
  

  

  6. 
  Melanoplus 
  atlanis 
  (Riley). 
  Female 
  ; 
  Victoria, 
  Vancouver's 
  Island. 
  

  

  7. 
  Melanoplus 
  packardii 
  Scudder. 
  Male 
  ; 
  Wallula, 
  Washington 
  Terr. 
  

  

  8. 
  Melanoplus 
  paclcardii 
  Scudder. 
  Female 
  ; 
  Wallula, 
  Washington 
  Terr. 
  

  

  9. 
  Camnula 
  atrox 
  Scudder. 
  Female 
  ; 
  Vancouver's 
  Island. 
  

  

  10. 
  Circotettix 
  maculaius 
  Scudder. 
  Female 
  ; 
  summit 
  Sierra 
  Nevada. 
  

  

  11. 
  Trimerotropis 
  vinculata 
  Scudder. 
  Sissons, 
  base 
  of 
  Mount 
  Shasta, 
  California. 
  

  

  12. 
  Arphia 
  frigida 
  Scudder. 
  Male 
  ; 
  Helena, 
  Montana. 
  

  

  13. 
  Psinidia 
  wallula 
  Scudder. 
  Female 
  ; 
  Wallula. 
  

  

  14. 
  Psinidia 
  wallula 
  Scudder. 
  Male 
  ; 
  Sissons, 
  base 
  of 
  Mount 
  Shasta. 
  

  

  15. 
  Gomphocerus 
  shastanus 
  Scudder. 
  Mount 
  Shasta, 
  California. 
  

  

  16. 
  Pezotettix 
  pacificus 
  Scudder. 
  Male; 
  California. 
  

  

  17. 
  Pezotettix 
  oorckii 
  Stal. 
  Portland, 
  Oregon. 
  

  

  18. 
  Gomphocerus 
  shastanus 
  Scudder. 
  Female; 
  Mount 
  Shasta, 
  California. 
  

  

  19. 
  Melanoplus 
  devastator 
  Scudder. 
  Male 
  ; 
  Colorado, 
  1879. 
  

  

  20. 
  Melanoplus 
  devastator 
  Scudder. 
  Male 
  ; 
  Fort 
  Keogh, 
  Montana, 
  1880. 
  

  

  