﻿

  VOL. 
  X. 
  Part 
  3.— 
  pp. 
  211-346. 
  

  

  April, 
  1920. 
  

  

  ULLETIN 
  O 
  

   NTOMOLOGICAL 
  

  

  RESEARCH 
  

  

  18/ 
  

  

  LONDON. 
  

  

  THE 
  IMPERIAL 
  BUREAU 
  OF 
  ENTOMOLOGY, 
  

   88, 
  QUEEN'S 
  GATE, 
  SJff. 
  7, 
  

  

  Price 
  4»s, 
  net. 
  

  

  All 
  Rights 
  Reserved. 
  

  

  