LETTER OF TRANSMITTAL. 



U. S. Department or Agriculture, 



Office of Experiment Stations, 

 Washington^ D. C, March 15, 1905. 

 Sir : I have the honor to transmit herewith for publication Bulletin 

 Ko. 153 of this Office, containing the proceedings of the Eighteenth 

 Annual Convention of the Association of American Agricultural 

 Colleges and Experiment Stations, held at Des Moines, Iowa, Novem- 

 ber 1-3, 1904. 



Respectfully, A. C. True, 



Director. 

 Hon. Jaimes Wilson, 



Secretary of Agriculture. 



(3) 



