U. S. DEPARTMENT OF AGRICULTURE, 

 BUREAU OF ENTOMOLOGY— BULLETIN No. 68, Part IL 



L. O. HOWARD. Entomologist and Chief of Bureau. 



PAPERS OX i)i:('[i)rous-FPaTr ixsects 



Ai\D INSECTICIDES. 



THE SPRING CANKER-A) ORM. 



BY 



A. L. QUAINT ANCE, 



In Charge of Deciduous Fruit Insect Investigations. 



Issued July G, 11)07. 



19^?^" 



WASHINGTON : 



GOVERNMENT PRINTING OFFICE, 

 19 7. 



