LETTER OF TRANSMITTAL 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF CHEMISTRY, 

 Washington, D. C., January 15, 1909. 



SIR : I have the honor to submit for your approval the Proceedings 

 of the Twenty-fifth Annual Convention of the Association of Official 

 Agricultural Chemists. The reports have been prepared in the most 

 concise form practicable in consideration of the detailed and tech- 

 nical character of the work, all general discussion being practically 

 eliminated. I recommend that these proceedings be published as 

 Bulletin 122 of the Bureau of Chemistry. 



Respectfully, H. W. WILEY, 



Chief of Bureau. 

 Hon. JAMES WILSON, 



Secretary of Agriculture. 



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