﻿Plate 
  21 
  

  

  ' 
  ,' 
  

  

  / 
  

  

  Photo 
  from 
  life 
  by 
  J. 
  G. 
  Needham. 
  

  

  Drawing 
  by 
  Mrs 
  J. 
  G. 
  Needbam. 
  

  

  1 
  Somatochlora 
  elongata 
  Selys 
  

  

  2 
  Epicordulia 
  princeps 
  Hagen 
  

  

  CORDULINAE 
  

  

  