48 
Weight {with clothes). — At the beginning 
ment 59.4 kilograms (131 pounds). 
Duration. — Four days, with twelve meals, beginning 
February 4, 1902. 
ind close of the experi- 
witli breakfast 
Table i2o. — Results of digestion experiment No. 406. 
Sam- 
ple 
No. 
242a 
257 
223a 
10 
243 
255 
44 
11 
Kind of food. 
Weight 
of ma- 
terial. 
Apples 
Raisins 
Walnuts 
Butter 
Grano-e 
Peanuts 
Peanut butter 
Cottage cheese ... 
Grams. 
7,824 
1,338 
1.039 
28 
113 
73 
59 
Total 
10,-547 
Total 
organic 
Nitro- 
Grams. 
1,175.93 
915. 05 
387.12 
24. 08 
99.64 
G7. 58 
54.81 
19.13 
Grams. 
6.88 
9.74 
16.16 
.05 
1.98 
3.81 
2.77 
2.44 
2. 743. 34 43. 83 
Feces (water-free) 165.39 144.92 
Amount digested 2, 598. 42 
Per cent digested : 94. 72 
Energy of urine 
Energy of food j 
oxidized in the | 
bodv 
8. 46 
3-5. 37 
80.70 
Carbohydrates. 
l'r. 
Fat. 
Sugar, 
.starch, 
etc. 
Grams. 
43. 03 
60.88 
101.00 
.28 
12.36 
23. *3 
17.29 
15. 26 
Grams. 
10.17 
8.16 
258. 90 
23. 80 
1.16 
34. 55 
27. 43 
.73 
Grams 
1,039.80 
s37. is 
19.53 
Fiber. 
<ira i us. 
82. 93 
8. -S3 
84.06 
2. 06 
- . i 
1.45 
10.09 
3.14 
Ash. 
Grams. 
12. 52 
42. 01 
7.90 
.08 
2. 55 
1.87 
.30 
1.31 
273. 
364.90 2,001.55" 102.96 > 68.54 
Heat of 
combus- 
tion. 
( 'alaries. 
4,847 
3,941 
3,009 
325 
444 
186 
395 
105 
13,552 
52. 93 
221.00 
47.10 j 31.89 
317.80 1,966.66 
87. 10 98. 25 
Pereentof energy 
utilized 
10.00 
92. 96 
90.30 
20. 47 
48.07 
70.14 
975 
12,577 
92. 80 
276 
12, 301 
90.78 
During this experiment the subject eliminated 5,055 grams urine, 
containing- ()A±(\ per cent or 22.57 grams nitrogen. The average nitro- 
gen balance per day was therefore as follows: Income in food 10.96 
grams: outgo in urine 5.64 grams, and in feces 2.12 grams: indicat- 
ing a gain of 3.20 grams nitrogen, corresponding to 2<» grams protein. 
The subject stated that the combination of fruits and nuts used in 
this test was quite satisfactory. The raisins were seeded and with the 
nuts made into a sort of mincemeat, which was eaten with erreat relish. 
DISCUSSION OF DIGESTION EXPERIMENTS WITH SUBJECT W. S. M. 
A study of the foregoing experiments brings to light a large amount 
of interesting data. In order to facilitate a review of these the results 
have been summarized in the following tables. 
Table 26 shows the weight, composition, and fuel value of the food 
eaten per day during the different experiments; Table 27 summarizes 
the coefficients of digestibility for each of the eleven experiments, and 
Table 28 gives a summary of the income and outgo of nitrogen as 
determined for the individual experiment-. 
