U. : DEPARTMENT Of AGRICULTURE, 
BUREAU OF ENTOMOLOGY-BULLETIN No. 79. 
L. O. HOWARD. I ntomoloyist and Chirf of Bureau. 
FUMIGATION INVESTIGATIONS 
IN CALIFORNIA. 
By I?, S. WOGLUM, 
Special /'<< Id Agent . 
[CHEMICAL WORK PERFORMED BY THE MISCELLANEOUS DIVISION OF THE 
BUREAU OF CHEMISTRY.] 
Issued Junk 11, 1909. 
WASHINGTON: 
GOYK R N M E N T PRINTING ( ) F PIC E 
1 0!). 
