



U. S. DEPARTMENT OE AGRICULTURE, 



BUREAU OF CHEMISTRY BULLETIN No. 111. 



ii. \v. \YIU:Y, rhinof nun-mi. 



THE FERMENTING POWER OF PURE YEASTS 

 AND SOME ASSOCIATED FUNGI. 



By 



r 



WM. B. ALWOOD, 



T\ (IIARGE, ENOLOGICAL-CHEMICAL INVESTIGATIONS. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1908. 



