A. > 





^\^ BULLETIN 



\^" »• 



OF 



ENTOMOLOGICAL RESEARCH 



ISSUED BY THE IMPEEIAL 

 BUREAU OF ENTOMOLOGY. 



EDITOR: THE DIRECTOR. 



VOL XI. 



LONDON : 



The Imperial Bureau of Entomology, 



41, Queen's Gate, S.W.7. 



1920-1921. 



