﻿VOL. 
  X, 
  Part 
  4.— 
  pp. 
  347-466. 
  

  

  MAY, 
  1020, 
  

  

  ULLETIN 
  OF 
  

  

  NTOMOLOGICAL 
  

  

  ESEARCH 
  

  

  LONDON. 
  

  

  THE 
  IMPERIAL 
  BUREAU 
  OF 
  ENTOMOLOGY, 
  

   18, 
  QUEEN'S 
  GATE, 
  S.V. 
  7. 
  

  

  Price 
  4*. 
  ■«!- 
  

  

  All 
  Bigrhts 
  Reserved. 
  

  

  