DIV, INSECTS, 
Uno OR PARTMENT.OF: AGRICULTURE, 

FARMERS’ BULLETIN No. Ig. 
IMPORTANT INSECTICIDES: 
DIRECTIONS FOR THEIR PREPARATION AND USE. 
[FOURTH REVISED EDITION.] 
BY 
Uy RATT Veo Ss 
BERS ff ASslistAN Tt ENTOMOLOGIST. 




WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1898. 

