39 
During this experiment the subject eliminated 4,538 grams urine, 
containing 0.652 per cent or 29.58 grams nitrogen. The average 
daily nitrogen balance therefore was as follows: Income in food 15 
grams; outgo in urine 7. -to grams, and in feces 1.98 grams; indicating 
a gain of 5.62 nitrogen, corresponding to 35.12 grams protein. 
This unusual diet was of the subject's own selection and apparently 
was satisfactory. 
DIGESTION EXPERIMENT NO. 396. 
Kind of food. — Pears and walnuts, with small quantities of granose 
and milk. 
Subject.-^W. S. M. 
Weight (with clothes). — At the beginning of the experiment 57.1 
kilograms (120 pounds) and at the close 56.7 kilograms (125 pounds). 
Duration. — Four days, with twelve meals, beginning with breakfast 
December 26, 1901. 
Table 20. — Results "/digestion experiment No. 396. 
Sam- 
ple 
No. 
51a 
223 
243 
Kind of food. 
Weight Total , N - 
l of ma- organic ' 
terial. i matter 
gen. 
Pears 
Walnuts. 
Milk 
Granose . 
Grams. 
.1 9,778 
,| 771 
227 
113 
Grams. 
1,465.74 
725. 64 
27.92 
99.64 
Grams. 
12. 36 
30.31 
1.20 
Total 
10,889 2,318.94 
Pro- 
tein. 
Grams. 
77.25 
189.50 
7.49 
12.36 
Carbohydrates. 
Fat. Sugar. ' 
starch, Fiber, 
etc. 
Ash. 
Heat of 
combus- 
tion. 
Grams. 
37.16 
485. 10 
9.08 
1.16 
Grams. 
1,237.90 
36. 62 
11.35 
84.06 
46.85 286.60 532. 50 1,369.93 
Feces (water-free) 1*4.48 168.38 
Amount digested 2, 150. 56 
Per cent digested 92. 74 
Energy of urine 
Energy of f 1 
oxidized in the | 
"body 
7.29 I 45.57 
38. 56 
84.10 
241.03 
84. 1C 
45.73 41.72 
186.77 1,328.21 
91.41 96.98 
Pe&centof energy 
utilized .J. 
Grams. 
113. 43 
14.42 
2.06 
Grams. Calories. 
33. 25 6, 287 
14.73 5,641 
1. 59 171 
2. 55 444 
129.91 52.12 12, .542 
35.36 16.10 1,061 
94.55 36.02 11,481 
72.80 69.11 91.54 
301 
11,180 
89.12 
During this experiment the subject eliminated 5,1*30 grams of urine, 
containing 0.397 per cent or 21.55 grams nitrogen. The average 
nitrogen balance per day was therefore as follows: Income in food 
11.16 grains; outgo in urine 5.39 grams, and in feces 1.82 grams; 
indicating a gain of 4.25 grams nitrogen, corresponding to 26.56 
grams protein. 
DIGESTION EXPERIMENT NO. 398. 
Kind of food. — Pears and cocoanuts chiefly, with cheese, tomatoes, 
and olive oil. 
Sufyect—W. S. M. 
Weight (with clothei). — At the beginning of the experiment 57.1 
kilograms (126 pounds) and at the close 56.3 kilograms (124.5 pounds). 
