U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 84. 



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



FUMIGATION OF APPLES FOR THE 

 SAN JOSE SCALE. 



BY 



A. L. QUAINTANCE, 



In Charge of Deciduous Fruit Insect Investigations. 



Issued September 30, 1909. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 



1909. 



