42 



Table 30. — Results of digestion experiment Ko. 321. 



o Calculated according to the assumption that 90 per cent of the fat in the bread is digestible. 



During- this experiment the subject eliminated 5,211 grams urine, 

 containing 73. 48 grams nitrogen. The total nitrogen balance per clay 

 was therefore as follows: Income in food, 28.95 grams; outgo in urine, 

 18.37 grams, and in feces, 3.04 g-rams, implying a gain of 7.54 grams 

 nitrogen, corresponding to 47.1 grams protein. 



DIGESTION EXPERIMENT NO. 322. 



Iflnd of food. — Milk, and bread made from graham flour. 



/Subject. — Man No. 2. as in experiment No. 310. 



Weight. — At the beginning and close of the experiment, 106.5 

 pounds. 



Duration. — Four days, with twelve meals, beginning with break- 

 fast May 16, 1902. 



Table 31. — Besults of digestion experiment Xo. 322. 



