23 



r.^Bi.K <). — Iit'.'<ii/lK (if <Ji<je><lioti p.iper'niient X<>. 470 — Continued. 



Durino^ thi.s experiment the subject eliminated S.OOO o-ram.s urine 

 containing 5'2.65 grams nitrogen. The average nitrogen balance per 

 da}' was therefore as follows: Income in food 17. 56 grams; outgo in 

 urine 13.16 grams; and in feces 1.69 grams: implying a gain of 2.71 

 grams nitrogen, corresponding to 16.9 grams protein. 



DIGESTION EXPERIMENT NO. 471. 



Kind of food. — Milk, and bread made from Oregon entire-wheat 

 flour. 



Suhject. — Man No. 3. University student employed one-third of 

 the time at office work, with exerci.se the .same as subject No. 2. 



Weight. — At the beginning of the experiment 158 pounds; at the 

 close 155 pounds. 



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

 fast March 11, 1903. 



Table 7. —Results of digestion experiment No. 471. 



