15 
Table 3. — Composition of water-free substance of feces — Continued. 
Lab- 
Whence obtained. 
Weight 
of feces 
per 
day. 
Nitro- 
gen. 
Pro- 
tein. 
Fat. 
Carbohydrates. 
Ash. 
Heat of 
ora- 
tory 
No. 
Sugar, 
starch, 
etc. 
Crude 
fiber. 
combus- 
tion per 
gram. 
121 
subject c. p. h. — cont'd. 
Experiment No. 415: « 
drams. 
31.80 
105. 50 
I'< r ct. 
4.36 
4.86 
Per ct. 
27. 22 
30.39 
Per ct. 
9.30 
7.22 
Per ct. 
39.48 
38.02 
Per ct. 
11.45 
14.62 
Per ct. 
12.55 
9.75 
Calories. 
4.932 
122 
Third day 
4.885 
122a 
45. 77 
4.61 
28.81 
8.26 
38. 75 
13.04 
11.15 
4.908 
Average of averages, 
omitting experi- 
ment No. 415 
SUBJECT A. v. 
Experiment No. 416: 
49.89 
4.09 
25. 56 
24. 61 
29.43 
7.05 
13. 35 
5. 680 
123 
81.14 
72.36 
117. 70 
115. 30 
4.03 
3.83 
3.53 
4.09 
25. 18 
23.91 
22. 09 
25.53 
26.12 
21.32 
23.64 
23.42 
28.49 
33.30 
35.60 
33.54 
5.45 
. 6.67 
6.12 
4.46 
14.76 
14.80 
12.55 
13.05 
6.054 
124 
5. 735 
125 
Third dav 
5.493 
126 
5. 849 
126a 
96.63 
3.87 
24.18 
23.63 
32.73 
5.67 
13.79 
5.783 
SUBJECT J. E. R. 
Experiment No. 417: 
First day 
127 
128 
71.67 
62. 28 
55.22 
39.50 
3.85 
3.67 
3.98 
4.09 
24.08 
22. 92 
24.86 
25. 55 
37.90 
38.30 
31.88 
27. 49 
24.75 
25.04 
29.63 
32.59 
3.04 
4.07 
3.80 
3.84 
10.23 
9.67 
9.83 
10. 53 
6.442 
6.382 
129 
Third dav 
6.210 
130 
Fourth day 
Average 
Experiment No. 418: 
First dav 
6.144 
130a 
57.17 
3.90 
24.35 
33.89 
28.00 
3.69 
10. 07 
6.295 
131 
41.41 
72.38 
51.50 
66.84 
4.04 
3.64 
3.57 
3.83 
25.27 
22.73 
22.34 
23.95 
27.76 
39.86 
45. 73 
32.97 
31.60 
22. 94 
15.54 
27.17 
4.43 
3.09 
4.26 
4.50 
10.94 
11.38 
12.13 
11.41 
6.198 
132 
Second dav 
6.474 
133 
• Third day 
6.506 
134 
6 266 
134a 
58.03 
3.77 
23.57 
36.58 
24.31 
4.07 
11.47 
6 361 
Average of experi- 
ments Nos. 417 
and 418 
57. 60 
48.30 
49.86 
3.84 
4.14 
4.13 
23.96 
25.88 
25.83 
35. 23 
26.05 
25.97 
26.16 
27.19 
27.37 
3.88 
8.34 
8.26 
10.77 
12. 54 
12.58 
6.328 
Average of 30 ex- 
periments, omit- 
ting No. 416 
Average of 31 ex- 
periments 
5.716 
5. 718 
« Three-day experiment; no feces passed on second day. 
Table 4 summarizes the analytical data for the urine, the results 
having been determined in connection with the studies of the balance 
of income and outgo of nitrogen reported beyond pp. 35-68. 
Table 4. — Amount, specific gravity, and nitrogen of urine. 
Labora 
tory 
No. 
Whence obtained. 
subject w. s. M 
Experiment No. 388: 
First day 
Second day 
Third day 
Fourth day 
Average per day 
Total 
amount. 
Grams. 
1,314 
1,512 
1,554 
1,312 
1,423 
Specific 
gravity. 
1.011 
1.008 
1.009 
1.009 
Nitrogen. 
Per cent. 
0.470 
.331 
.281 
.239 
1.009 
Grams. 
6.18 
5.00 
4.37 
3.14 
4.67 
