INJURIOUS INSECTS 
HOW TO RECOGNIZE AND CONTROL THEM 
BY 
WALTER C. O’KANE 
ENTOMOLOGIST TO THE NEW HAMPSHIRE EXPERIMENT STATION 
AND PROFESSOR OF ECONOMIC ENTOMOLOGY IN 
NEW HAMPSHIRE COLLEGE 
ILLUSTRATED WITH 600 ORIGINAL PHOTOGRAPHS 
Neto Work 
THE MACMILLAN COMPANY 
1912 
All rights reserved 
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