U. S. DEPARTMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
Bulletin No. 11. 
REPORTS OF EXPERIMENTS 
with 
VARIOUS INSECTICIDE SUBSTANCES, 
CHIEFLY UPON 
INSECTS AFFECTING GARDEN CROPS, 
MADE 
UNDER THE DIRECTION OF THE ENTOMOLOGIST. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
_ 1 8 8 G . 
9228— Bull. 11 
