LETTER OF TRANSMITTAL. 



U. S. Department of Agriculture, 

 Bureau of Plant Industry, Office of the Chief, 



Washington, D. C, Aprils, 1903. 

 Sir: I have the honor to transmit herewith a paper on "The Bitter 

 Rot of Apples," by Dr. Hermann von Schrenk, Special Agent in 

 Charge of the Mississippi Valley Laboratory, and Perley Spaulding, 

 Special Agent, Vegetable Pathological and Physiological Investiga- 

 tions, and respectfully recommend that it be published as Bulletin No. 

 44 of the series of this Bureau. 



This paper was prepared under the direction of and was submitted 

 for publication by the Pathologist and Physiologist. The illustrations, 

 which comprise nine half-tone plates and nine text figures, are an essen- 

 tial and important part of the paper. 

 Respectfully, 



B. T. Galloway, 



Chief of Burea >i . 

 Hon. James Wilson, 



Secretary of Agriculture. 



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