Enological Studies 2 and 3. lasued May 27, 1911. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF CHEMISTRY BULLETIN No. 140, 



H. W. WILEY. Chief of Bureau. 



ENOLOGICAL STUDIES 



The Occurrence of Sucrose In Grapes. 



The Sugar and Acid Content of Different Varieties of 

 Grapes, Sampled at Frequent Intervals during Ripen- 

 ing and at Full Maturity. 





BY 



WILLIAM B. ALWOOD, 



ENOLOGICAL CHEMIST. 



WASHINGTON: 

 GOVERNMENT PRINTING OFFICE. 



1911. 



