28 



Table 18. — Rennlls of dlge.'stion experiment No. 477. 



During- this experiment the subject eliminated 3,502 grams urine, 

 containing 49.58 grams nitrogen. The average nitrogen balance per 

 day was therefore as follows: Income in food 8.35 grams; outgo in 

 urine 12.40 grams; and in feces 2.41 grams; implying a loss of 6.46 

 grams nitrogen, corresponding to 40.4 grams protein. 



EXPERIMENTS WITH STRAIGHT-GRADE, ENTIRE-WHEAT, AND 

 GRAHAM FLOURS (BREAD) FROM OKLAHOMA WHEAT. 



The data of the experiments w ith bread made from the tiiree grades 

 of flour milled from tiie Olvlahoma wheat are given in Tables 14 to 22, 

 which follow. 



DIGESTION EXPERIMENT NO. 478. 



Kind of fockl. — Milk, and bread made from Oklahoma straight-grade 

 flour. 



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



Weight. — At the beginning of the experiment 173 pounds; at the 

 close 175 pounds. 



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

 April 8, 1903. 



Table 14. — Results of digestion experiment No. 478. 



