6 



It is evident that a careful study of the data thus collected will be 

 of great service to our own manufacturers in showing- them the methods 

 which experience and scientific studies in foreign countries have deter- 

 mined to be the best for the production of a wholesome and palatable 

 article. 



This bulletin serves as an introduction to a more detailed study of 

 the best methods of fermentation, cellar treatment, and preservation 

 of cider products, together with a more detailed chemical study of the 

 fruits, the musts, and the finished beverages. 



H. \V. Wiley, 



Chief of Bureau. 



