LETTER OF TRANSMITTAL. 
AgTiciiltural Experiment Station, 
St. Anthony Park, November 10, 1916. 
His Excellency, 
J. A. A. BURNOUIST, 
State Capitol, 
St. Paul, Minnesota. 
Dear Sir ; The unexpected work upon white pine blister rust called 
for this summer, and for which an emergency appropriation was made, 
appears at this time to warrant a Special Report to Your Excellency 
upon the work accomplished and expense involved. I herewith present, 
therefore, special report of the State Entomologist upon “AMrk on 
the White Pine P)lister Rust in Minnesota, 1916,” with the recommen- 
dation that it be printed as Circular No. 40 of the State Entomologist’s 
1 )epartment. 
Respectfully, 
F. L. WASHBURN, 
State Entomologist. 
Approved : 
J. A. A. BURNOUIST, 
Governor of Minnesota. 
