LETTER OF SUBMITTAL. 
U. S. DEPARTMENT OF AGRICULTURE, 
DIVISION OF VEGETABLE PATHOLOGY, 
Washington, D. C., July 15, 1892. 
Srr: I have the honor to submit herewith Bulletin No.3 of this Divi- 
sion, giving an account of the experiments conducted during the season 
of 1891 in the treatment of plant diseases. The report of D. G. Fair- 
child on work conducted in New York State is also given. 
Respectfully, 
B. T. GALLOWAY, 
Chief of Division. 
Hon. J. M. RUSK, 
Secretary. 
