| 
LU. S. DEPARTMENT OF AGRICULTURE. | 
DIVISION OF ENTOMOLOGY. 
‘| 
; 
BULLETIN No. 11. 
REPORTS OF EXPERIMENTS 
WITH “ 
om é 
VARIOUS INSECTICIDE SUBSTANCES, 
CHIEFLY UPON 
INSECTS AFFECTING GARDEN CROPS, 
MADE 
UNDER THE DIRECTION OF THE ENTOMOLOGIST. 
GOVERNMENT PRINTING OFFICE. 
WASHINGTON: 
1886. 
