TECHNICAL SERIES No. 1. 
Ues DEPARTMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY, 
, ee 
{ 
REVISION 
OF THE 
APHELININ.E OF NORTH AMERICA 
A SUBFAMILY OF HYMENOPTEROUS PARASITES 
OF THE FAMILY CHALCIDIDA. 
BY 
b. ©. HOWARD, 
ENTOMOLOGIST. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE, 
1895, 
