LETTER OF SUBMITTAL. 



U. S. Department of Agriculture, 

 I3IYTSI0N OF Vegetable Pathology, 



Washington, D. 6'., August 21, 1893. 

 Sir: I submit herewith a report on experiments made dnring the 

 seasons of 1891 and 1892 in the i)ollination of pear flowers. The work, 

 though not strictly pathological, had its origin in investigations of this 

 nature. 



Respectfully, 



M. B. Waite, 



Special Agent. 



B. T. Galloway, 



Chief of the Division of VegetahJc Pathology. 



