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LETTER OF SUBMIIEAL: 
UNITED STATES DEPARTMENT OF AGRICULTURE, 
DIVISION OF VEGETABLE PHYSIOLOGY AND PATHOLOGY, 
Subtropical Laboratory, Eustis, Fla., April 11, 1895. 
Str: We submit herewith manuscript for a bulletin giving brief 
descriptions and illustrations of the principal diseases of citrous fruits, 
with particular reference to their occurrence in Florida. In the case of 
each disease discussed a short statement 1s given of the most practical 
means of combating it. The work summarized has been carried ‘on 
mainly in Florida during the past three years. Our aim has been to - 
give as concisely as possible a clear account of the diseases, in order 
to promote speedy and certain identification of them by all interested. 
Respectfully, 
WALTER T. SWINGLE, 
HERBERT J. WEBBER, 
Assistant Physiologists and Pathologists. 
Mr. B. T. GALLOWAY, 
‘ Chief of Division. 
