75 
Detailed data of incorru and outgo. — The quantities of nutrients 
and energy in the daily diet in this experiment are shown in Table 84, 
and the total and daily elimination of matter and energy in the feces in 
Table 85, 
Table te— Weight, 
composition, and heat of combustion of foods — Metabolism experiment 
Xo. 25. 
Lab- 
ora- 
tory 
No. 
S165 
3166 
3169 
3164 
3168 
3167 
| Food materials. 
Weight 
per day. 
Water. 
Pro- 
tein. 
Fat. 
Car- ! 
bohy- j 
drates. 
Nitro- 
gen. 
Car- 
bon. 
Hydro- 
gen. 
Heat of 
combus- 
tion. 
Beef 
Butter 
Milk, skimmed. 
Bread 
Parched cereal 
Ginger snaps... 
Sugar 
Total 
Grams. 
85 
98 
1,000 
300 
50 
70 I 
20 
Grams. 
53.4 
8.6 
894.0 
115.8 
2.8 
8.4 
Grams. 
28.5 
1.6 
43.0 
27.3 
5.9 
4.5 
Grams. 
2.8 
84.4 
4.0 
6.3 
.9 
6.0 
Grams. 

51.0 
146.7 
39.o 
54.9 
20.0 
Grams. 
4.56 
.25 
6.80 
4.38 
.94 
Grams. 
16.68 
62.10 
47.60 
84.12 
21.10 
30.91 
8.42 
Grams. 
2.35 
9.81 
6.70 
12. 09 
2.97 
4.49 
1.30 
Calories. 
185 
841 
207 
310 
79 
1.623 1,078.0 j 110.8 
104.4 312.2 17.65 270.93 39.71 
2, 896 
Table 85. — Weight, composition, and Jteat of combustion of feces — Metabolism experiment 
Xo. 25. 
Lab- 
or a - 
torv 
No. 
Weight 
of feces. 
Water. 
Pro " Pat 
tein. * at - 
■Shy- «£r 
drates. &eu - 
Car- 
bon. 
WvHrn Heat 0f 
gel °" combus- 
gen - tion. 
3171 Total, 3 days 
Average, 1 day... 
Grams. 
211.4 
70.5 
Grams. 
145.8 
48.6 
Grams. 
18.2 
6.1 
Grams. 
8.0 
2.7 
Grams. Grams. 
23. 4 2. 92 
7.8 ! .9/ 
Grams. 
29. 02 
9.67 
Grams. 
4.27 
1.42 
Calories. , 
332 
111 
The urine was collected and the nitrogen determined in the usual 6- 
hour periods each day. The usual aliquot portions of the urine during 
each period of the day were taken for the preparation of a composite 
sample for the day. The nitrogen and heat of combustion of this 
composite sample were determined. Aliquot portions of the urine for 
each day were taken for the preparation of a composite sample for 
the whole period of the experiment. Inasmuch as it was intended that 
this experiment should form a part of a series continuing for 9 days, 
a composite sample of the urine for the 3 days of experiment Xo. 25 
was not made, but a corresponding sample for 5 days was prepared 
and analyzed in the usual manner. The statistics are shown in Tables 
86 and 87. The quantities of carbon dioxid and water found in the 
ventilating air current during the different days of this experiment 
are shown in Tables 8S-90. Table 90 summarizes the calorimetric 
measurements during the experiment. 
