U.S DEPARTMENT OF AGRICULTURE, 
“DIVISION OF .ENTOMOLOGY—BULLETIN NO. 31, NEW. SERIES. 
{ L. O. HOWARD, Chief of Division. 
PROCEEDINGS 
OF THE 
THIRTEENTH ANNUAL MEETING 
~ ASMUPLATION. OF OONDNIE-BYTOMIOLOGINTS 
OF THE 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1902. 
