25 



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

 March 26, 1903. 



Table 9. — i?c.s(«//.s of digestion experiment Xo. 473. 



During this experiment the subject eliminated 4,120 grams urine, 

 containing Vd.Ol grams nitrogen. The average nitrogen balance per 

 da}' was therefore as follows: Incom.e in food 16.10 g-rams; outgo in 

 urine 12.27 grams; and in feces 0.98 g-ram; implying a gain of 2.85 

 grams nitrogen, corresponding to 17.8 grams protein. 



DIGESTION EXPERIMENT NO. 474. 



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

 flour. 



Suhject. — Man No. 3. Conditions as in experiment No. 471. 



Weight.— Mih^ beginning of the experiment 155 pounds; at the 

 close 155.5 pounds. 



Duration. — Four da3's, with twelve meals, beginning with breakfa.st 

 March 26, 1903. 



Table 10. — Results of digestion experiment No. 474- 



