INJURIOUS INSECTS 



HOW TO EECOaNIZE AND CONTROL THEM 



BY 

 WALTER C. O'KANE 



ENTOMOLOGIST TO THE NEW HAMPSHIRE EXPERI3IENT STATION 



AND PROFESSOR OF ECONOMIC ENTOMOLOGY IN 



NEW HAMPSHIRE COLLEGE 



ILLUSTBATED WITH 600 OBIGINAL PHOTOGBAFHS 



Nebj gork 



THE MACMILLAN COMPANY 



1912 



All rights reserved 



