U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 78. 



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, Pii. D. 



Enlo)nolo(jiM ami Chief of Bureau. 



Issued March 18, 1909. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1909. 



