40 
Duration. — Four days, with twelve meals, beginning" with breakfast 
January 6, 1902. 
Table 21. — Results of digestion experiment No. ->98. 
Sam- 
ple 
No. 
Nitro- 
gen. 
Pro- 
tein. 
Fat. 
Carbohydrates. 
Ash. 
Heat of 
combus- 
tion. 
Kind of food. 
of ma- | organic 
terial. matter. 
Sugar, 
starch, 
etc. 
Fiber. 
51a 
Grams. 
9,986 
971 
57 
14 
63 
Grams. 
1, 496. 91 
773. 77 
14.93 
.73 
63.00 
Grams. 
12. 62 
8.16 
1.91 
.02 
Grams. 
78.89 
50.98 
11.91 
.13 
Grams. 
37. 95 
495. 20 
.57 
.06 
63.00 
Grams. 
1,264.23 
93.89 
2.45 
.46 
Grams. 
115. 84 
133. 70 
"""68" 
Gram*. 
33. 95 
11.07 
1.03 
.07 
< 'alorirs. 
6, 421 
5 804 
231 
11 
32 
Cottage cheese . . . 
81 
5 
49 
Olive oil 
586 
Total 
Feces (water-free) 
Amount digested. 
11.091 2,349.34 
22.71 
141.91 
596. 78 
1,361.03 
249. 62 
46.12 i 12,897 
57a 
175.45 
160. 65 
2, 188. 69 
93.16 
5.65 
17.06 
75. 12 
35.30 
106.61 
75.12 
52.11 
544.67 
91.27 
34.89 
1,326.14 
97.44 
38. 35 
211.27 
84.64 
14.80 
31.32 
67.91 
1,022 
11,875 
Per cent digested. 
92. 09 
133 
Energy of food 
oxidized in the 
body 
11, 742 
Per cent of energy 
utilized 
91.06 
' 
During this experiment the subject eliminated 6,792 grams urine, 
containing 0.344 per cent or 23.37 grams nitrogen. The average 
nitrogen balance per day was therefore as follows: Income in food 
5.68 grams; outgo in urine 5.84 grams, and in feces 1.41 grams; indi- 
cating a loss of 1.57 grams nitrogen, corresponding to 8.81 grams 
protein. 
The diet used in this experiment was chosen by the subject and 
proved appetizing. The pears were ^aten in three different ways, i. e., 
raw, baked, and combined with tomatoes in a salad, which was dressed 
with a little olive oil. 
DIGESTION EXPERIMENT NO. 401. 
Kind of food. — Apples, dried figs, and walnuts, with some granose 
and milk. 
Subject.— W. S. M. 
Weight {with clothes).- — At the beginning of the experiment 57.6 
kilograms (127 pounds), and at the close 58.1 kilograms (128 pounds). 
Duration. — Four days, with twelve meals, beginning with breakfast 
January 14, 1902. 
