﻿Plate 
  17 
  

  

  ->- 
  

  

  ^sKBK**; 
  

  

  "^ 
  

  

  1 
  Aeschna 
  constricta 
  Say 
  

  

  2 
  Gomphiis 
  scudderi 
  Selys 
  

  

  