LETTER OF TRANSMITTAL 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF CHEMISTRY, 

 Washington, D. C., December 9, 1907. 



SIR : I have the honor to submit for your approval a paper on the 

 fermenting power of pure yeasts and some associated fungi, prepared 

 by Mr. Wm. B. Alwood, in charge of the enological-chemical investi- 

 gations making in this Bureau. This report is a continuation of the 

 investigations already reported in Bulletins 71 and 88 of the Bureau 

 of Chemistry, and deals with fundamental facts of importance in the 

 manufacture of by-products from fruits, which work it is our purpose 

 to extend, with a view to improving the quality and purity of the 

 products, by the introduction of better technique and the application 

 of the results of scientific investigation. I recommend that the report 

 be published as Bulletin 111 of the Bureau of Chemistry. 

 Respectfully, 



H. W. WILEY, 



Chief of Bureau. 

 Hon. JAMES WILSON, 



Secretary of Agriculture. 



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