U. S. DEPARTMENT OF AGRICULTURE, 

 BUREAU OF ENTOMOLOGY— BULLETIN No. 78 (Revised). 



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



ECONOMIC LOSS TO THE PEOPLE OF THE 



UNITED STATES THROUGH INSECTS 



THAT CARRY DISEASE. 



BY 



L. O. HOWARD, Ph. D. 



Entomologist and Chief of Bureau. 



Issued May 27. 1900. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 

 1909. 



