27 



Table 13. — Results of digestion experiment No. H9. 



a Estimated on the assumption that 90 per cent of the fat in the bread is digestible. 



During- this experiment the subject eliminated 7,846 grams urine, 

 containing 77.52 grams nitrogen. The average nitrogen balance per 

 day was therefore as follows: Income in food, 26.05 grams; outgo in 

 urine, 19.38 grams, and in feces, 1.68 grams, implying a gain of 4.99 

 grams nitrogen, corresponding to 31.2 grams protein. 



DIGESTION EXPERIMENT NO. 250. 



Kind of food. ^M'i\k, and bread made from straight patent flour. 

 Subject. — University student No. 3. 



Weight. — At the beginning of the experiment, 152 pounds; at the 

 close, 155 pounds. 



Duration. — Four days, with twelve meals, beginning with breakfast 



May 1,1901. 



Table 14. — Results of digestion experiment No. S50. 



