U.S. DEPARTMENT OF AGRICULTURE 
BUREAU OF ENTOMOLOGY BULLETIN No. 78. 
L. O. HOWARD. Entomologul and < 3uef ol 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 March 18, 1909. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE 
1 909, 
