nor in Professor Mallet's paper. This method, which has lately coine 

 into use, has been thoroughly worked out in this laboratory and applied 

 in a long series of analyses of flesh products. It is so superior in every 

 respect to the methods in ordinary use that it appears destined to 

 entirely replace them. I have therefore added an outline of this method 

 as an appendix to Professor Mallet's report. 



I submit this manuscript with the request that it be published as 

 Bulletin Xo. 54 of the Division of Chemistry. 

 I am, respectfully, 



H. W. WILEY, 



Chief of Division. 

 Hon. JAMES WILSON, 



Secretary of Agriculture. 



