£IV. INSECTS, 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 75, Part IV. 



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



MISCELLANEOUS PAPERS ON APICULTURE. 



THE RELATION OF THE ETIOLOGY 



(CAUSE) OF BEE DISEASES TO 



THE TREATMENT. 



BY 

 G. F. WHITE, Ph. D., 



Expert in Bacteriology. 



Issued December 26, 1908. 



/ 



Z^^SS 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE 



1 9 8. 



