zi 
; 

Ceo oe PARTMEN EF -OF AGRICULTURE. 
FARMERS’ BULLETIN No. 1g. 
IMPORTANT INSECTICIDES: 
DIRECHIONS FOR THEIR PREPARATION AND USE. 
Cee WAIL A ET, 
FIRST ASSISTANT ENTOMOLOGIST. 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. 
WASHINGTON; 
GOVERNMENT PRINTING OFFICE. 
1394. 
