66 



During- this experiment the subject eliminated 5,506 ^rams urine, 

 containing 70.48 grams nitrogen. The average nitrogen balance per 

 day was therefore as follows: Income in food 16.51 grams: outgo in 

 urine 17.62 grams; and in feces 1.02 grams; implying a loss of 2.13 

 grams nitrogen, corresponding to 13.3 grams protein. 



DIGESTION EXPERIMENT NO. 494. 



Kind of food. — Milk, macaroni, and bread made from durum flour. 



Subject . — Man No. 2, 21 years of age, emplo^^ed at farm labor. 



Weight. — At the beginning of the experiment 178.5 pounds; at the 

 close 179 pounds. 



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

 June 11, 1904. 



T.^iBLE 48. — Re><ultii of digestion e.vperimeiit Xo. 494. 



During this exi:)eriment the subject eliminated 4,516 grams urine, 

 containing 73.65 grams nitrogen. The average nitrogen balance per 

 da)^ was therefore as follows: Income in food 21.44 grams; outgo in 

 urine 18.41 grams; and in feces 1.39 grams; implying a gain of 1.64 

 grams nitrogen, corresponding to 10.3 grams protein. 



DIGESTION EXPERIMENT NO. 495. 



Kind of food. — Milk, macaroni, and bread made from durum flour. 



Subject. — Man No. 3, 25 3'ears of age, employed at janitor work. 



Weight. — At the beginning of the experiment 140.5 pounds; at the 

 close 140.5 pounds. 



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

 June 11, 1904. 



