DIGESTIBILITY AND AVAILABILITY OF FOOD. 



213 



DETAILS OF DIGESTION EXPERIMENT NO. 1 92. 



This experiment, preliminary to metabolism experiment No. 

 37, began with breakfast January 8, 1901, and continued three 

 days. The diet during the experiment contained an excess of 

 carbohydrates. The weight of the subject, J. C. W., at the 

 beginning of the experiment was not taken, but at the end was 

 in underclothes 77 kilos. During the experiment he took a 

 regular amount of muscular exercise each day. 



Table 113. 

 Digestio7i experinierit No. ip2. 



During this experiment the subject eliminated 3053.4 grams 

 urine, containing 58.3 grams nitrogen. The average nitrogen 

 balance per day was therefore as follows : Income in food, 

 II. 6 grams; outgo in urine, 14.6 grams, and in feces, i.o 

 gram; implying a loss of 4.0 grams nitrogen, corresponding to 

 25.0 grams protein. 



