QUARANTINE 1KSPECTGI 
SJ«ft r-UNT 
BOARD OF 
HA-UBRAQ, 
REPORT OF THE CHIEF 
OF THE 
BUREAU OF ENTOMOLOGY 
AND PLANT QUARANTINE 
1951 
UNITED STATES DEPARTMENT OF AGRICULTURE 
For sale by the Superintendent of Documents, U. S. Government Printing Office 
^26 
y< j ^ Washington 25, D. C. - Price 20 cen 
.w&l r-: * ■■'■ 
