VOL. VI. Ser. A. Part 2.-pp. 41-88. FEBRUARY, 1018. 



THE REVIEW 

 OF APPLIED 

 ENTOMOLOGY. 



SERIES a: agricultural 



ISSUED BT THE IMPERIAL 

 BUREAU OF XNTOMOLOaT. 



LONDON : 



SOU) BT 



THE IMPERIAL BUREAU OF ENTOMOLOGY. 

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



Priee 0«l. not. 



All Rights R68erv«d. 



