42 
During this experiment the subject eliminated 5,893 grams urine, 
containing 0.503 per cent or 29.64 grams nitrogen. The average 
nitrogen balance per day was therefore as follows: Income in food 
12.37 grams; outgo in urine 7.41 grams, and in feces 2.70 grams; 
indicating a gain of ±26 grams nitrogen, corresponding to 11.13 grams 
protein. 
DIGESTION EXPERIMENT NO. 105. 
Kind of food. — Apples, dates, pecans, with a little granose and 
cottage cheese. 
Subject.— W. S. M. 
Weight {with clothes). — At the beginning and close of the experi- 
ment 59 kilograms (130 pounds). 
Duration. — Four days, with twelve meals, beginning with breakfast 
January 28, 1902. 
Table 24. — Results of digestion experiment Xo. 405. 
Sam- 
ple 
No. 
Kind of food. 
242a Apples. 
37 
233 
11 
243 
Dates . 
Pecans 
Cottage cheese 
Granose 
Total 
Feces (water free) 
Amount digested. 
Per cent digested. 
Energy of urine . . 
Energy of food 
oxidized in the 
body 
Per cent of energy 
utilized 
Weight 
of ma- 
terial. 
Total 
organic 
matter. 
Nitro- 
gen. 
Gram*. Grams. Grams. 
1,365 
594 
45 
45 
1,248.24 
771.22 
559. 23 
11.80 
39.68 
7.31 
5.90 
14.90 
1.51 
.79 
Carbohydrates. 
Pro- 
tein. 
'•rams. 
45.68 
36. 85 
93.08 
9.41 
4.92 
Fat. 
Sugar, 
starch, Fiber. 
etc. 
Grams. Grams. Grams. 
10.80 1,103.73 88.03 
. 1,103.73 
4.10 I 701.60 
424.81 ! 22.51 
. 45 1. 94 
. 46 33. 48 
88.03 
28.67 
18.83 
Ash. 
Heat of 
combus- 
tion. 
.82 
Grams. 
13. 29 
17. 75 
9.21 
.81 
1.02 
Calories. 
5,145 
3,182 
4, 652 
65 
177 
10, 354 2, 630. 17 | 30. 41 189. 94 440. 62 1 , 863. 26 136. 35 j 42. 08 13. 221 
159. 76 140. 48 
2, 489. 69 
94. 66 
7. 25 
23. 16 
76.16 
45.32 37.32 41.37 16.47 
144.62 403.30 1,821.89 119.88 
76.16 91.53 97.78 87.92 
19.28 
22.80 
54. 18 
893 
12, 328 
93. 23 
181 
12, 147 
91.88 
During this experiment the subject eliminated 5,618 grams urine, 
containing 0.413 per cent or 23.33 grams nitrogen. The average 
nitrogen balance per day was therefore as follows: Income in food 
7.60 grams; outgo in urine 5.81 grams, and in feces 1.81 grams; 
indicating a loss of 0.05 gram nitrogen, corresponding to 0.31 gram 
protein. 
Concerning the diet used in this test the subject stated that it was 
enjoyable throughout and eaten with increasing relish. 
DIGESTION EXPERIMENT NO. 106. 
Kind of food. — Apples, raisins, and walnuts, with peanuts, peanut 
butter, granose, cottage cheese, and butter. 
Subject.— \s. S. M. 
