THE UORAHY OF THE 
SEP 25 1931 
UNIVERSITY OP ILLINOIS 
SPECIAL REPORT 
OF THE 
STATK EATOMOLOUIST 
MINNESOTA 
TO THE (iOA'ERNOK 
Work on the White Pine 
Blister Rust in Minnesota 
1916 
NOA'EMBER 15, 1916 
CIRCULAR NO. 40 
ST. ANTHONY PARK, MINN. 
