THE REVIEW 

 OF APPLIED 

 ENTOMOLOGY 



SERIES a: agricultural 



VOL. VI. 



ISSUED BY THE IMPERIAL 

 BUREAU OF ENTOMOLOGY. 



SFPl '"■ • 

 ■2 s^-zr s ^S' 



LONDON: 



30I.D BY 



TH£ IMPERIAL BUREAU OF ENTOMOLOGY, 



89, QUEEN'S GATE, LONDON, S.W. 7. 



1918. 



All Rights Reserved. 



