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LETTER OF TRANSMITTAL. 
U.S. DEPARTMENT OF AGRICULTURE, 
BureEat OF PLANT INDUSTRY, 
OFFICE OF THE CHIEF, 
Washington, D. C., July 25, 1905. 
Str: I have the honor to transmit herewith copy for a second edition 
of Bulletin No. 56 of the series of this Bureau. This bulletin was pre- 
pared about two years ago by Mr. W. H. Ragan, then Special Pomo- 
logical Agent, under the direction of the Pomologist. 
Since the first edition was issued a considerable amount of valuable 
data not then available has come into the compiler’s hands. Also, 
through correspondence with pomologists, his attention has been 
directed to some necessary amendments and corrections of the original 
text. 
In this edition it is proposed to use the original plates (with a few 
very slight alterations) and to insert the new matter, with the com- 
piler’s explanatory note, as an appendix. 
Respectfully, 
B. T. Gattoway, 
Chief of Bureau. 
Hon. JAMES WILSON, : 
Secretary of Agriculture. 
