290 



MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



Further descriptions of experimental methods are given in connection with the descriptions of 

 experiment 1'2. beyond. 



( 'omposition of food materials mid feces. — The figures for the analyses of the food materials 

 and feces of the alcoholic experiments here described are given in Tables I and II. 



Table I. — Composition of food materials used in metabolism experiments Nos. 12, IS, 16, 17, IS, 19, SO, 22, 27, SO, and SS. 



1 Used in all tin- experiments. 



'■ As ]nire ethyl alcohol. 



Table II. — Composition of feces in metabolism experiments Nos. 1 \ l'<, 16, 17, IS, 19, 20, 22, 27, 30, ami .:.:. 



