1794
HlNRY PRENTISS ARMSBY.
Let& df maximum enzymic activity from the pancreas and from malt, yield all of the eight forms of nitrogen distinguishable by the Van Slyke method, in proportions within the range of variation shown by such typical protein substances as casein, edestin. hair, and hemoglobin. We are greatly indebted to the Carnegie Institution of Washington for grants in aid of this investigation. LABORATORY OF FOODCHEMISTRY,
