24 



During- this experiment the subject eliminated 2,854 grams urine, 

 containing- 47.79 grams nitrogen. The average nitrogen balance per 

 day was therefore as follows: Income in food 11.81 grams; outgo in 

 urine 11.95 grams; and in feces 1.52 grams; implying a loss of 1.06 

 grams nitrogen, corresponding to 10.4 grams protein. 



DIGESTION EXPERIMENT NO. 472. 



Kind of food. — Milk, and bread made from Oregon 8traight-grad'e~ 

 flour. 



Subject. — Man No. 1. Conditions as in experiment No. 469. 



Weight. — At the beginning of the experiment 174.5 pounds; at the 

 close 174 pounds. 



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

 March 26, 1903. 



Table 8. — Results of digeHtion experiment No. 472. 



During this experiment the subject eliminated 5,206 grams urine, 

 containing 71.64 grams nitrogen. The average nitrogen balance per 

 day was therefore as follows: Income in food 16.34 grams; outgo in 

 urine 17.91 grams; and in feces 1.12 grams; implying a loss of 2.69 

 grams nitrogen, corresponding to 16.8 grams protein. 



DIGESTION EXPERIMENT NO. 473. 



Kind of food. — Milk, and bread made from Oregon straight-grade 

 flour. 



/Subjeet. — Man No. 2. Conditions as in experiment No. 470. 



Weight. — At the beginning of the experiment 152.5 pounds; at the 

 close 154 pounds. 



