DI 
UNITED STATES 5. LN i 
DEPARTMENT OF AGRICULTURE: 
Miscellaneous Publication No. 273 
INSECT ENEMIES 
OF WESTERN FORESTS 
Compiled by 
F. P. KEEN 
Entomologist 
Division of Forest Insect Investigations 
Bureau of Entomology and Plant Quarantine 
vt 
i 
My 
‘ 
rs 
oe oe om 
> 
i es 
Washington, D. C. Has be « Issued February 1938 
For sale by the Superintendent of Documents, Washington,D.C. - - - - = Price 25 cents 
