
~; 
IMPORTANT INSECTICIDES: 
DIRECTIONS FOR THEIR PREPARATION AND USE. 
3 [REVISED EDITION. ] 
BY 
; tts. NEA EMA TT; 
i FIRST ASSISTANT ENTOMOLOGIST. 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 
| WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1895. 
