105 
Balance of income and outgo of matter and energy, — The income and 
outgo of nitrogen, carbon, hydrogen, and energy in experiments Nos. 
29 and 31 are shown in Tables 123-126. 
Table 123. — Income and outgo of nitrogen and carbon — Metabolism experiments Nos. 29 
and 31. 
Nitrogen. 
Carbon. 
Date. 
(a) 
In 
food. 
(&) 
In 
feces. 
(0 
In 
urine." 
(d) 
Gain 
(+)or 
loss 
-16- 
(0 
In food. 
(/) 
In 
feces. 
(9) 
In 
urine. 
(ft) 
In res- 
pira- 
prod- 
ucts. 
(*) 
Gain 
(+)or 
loss 
-(f+9 
+h). 
1900. 
< riment No. 29. 
Grams. 
Grams. 
Grams. 
Grams. 
Grams. 
Grams. 
Grams. 
Grams. 
Grams. 
Mar. 16-17, 7 a.m. to 7 a. m . . 
16.0 
0. 9 15. 4 
-0.3 
333. 6 
8.3 
10. S 
338. 7 
-24. 2 
17-18, 7 a. m. to 7 a.m .. 
16.1 
16.3 
-1.0 
333. 7 
B.4 
11.4 
323. 3 
- 9.4 
18-19, 7 a.m. to 7 a.m .. 
16.0 
. 9 16. 2 
-1.1 
333. 6 
8.3 
11.3 
342.7 
-28.7 
Total. 3 days 
48.1 
2. 6 47. 9 
-2.4 
1.000.9 
25. 
33. 5 
1.004.7 
-62. 3 
Average. 1 day 
16.0 
16.0 
- .8 
333. 6 
8.3 
11.2 
334.9 
-20.8 
Experiment No. 31. 
Mar. 22-23, 7 a. m. to 7 a. m . . 
16.1 
16.3 
-1.0 
321. 5 
8.1 
11.3 
313.1 
-11.0 
23-24,7 a.m. to 7 a.m.. 
16.0 
15. 4 
321. 6 
8.1 
10.8 
316.6 
-13.9 
24-25, 7a.m. to 7a.m.. 
16.1 
. 8 15. 2 
- .1 
321.5 
8.1 
10.6 
317.8 
-15.0 
Total. 3 days 
4s. 2 
2.4 46.9 
-1.1 
964.6 
24. 3 
32. 7 
947. 5 
-39.9 
Average. 1 day 
16.1 
15. 6 
- .3 
321. 5 
8.1 
10.9 
315. 8 
- 13.3 
a Including nitrogen in perspiration, amounting to 0.2 gram per day. 
Table 124.— -Income and outgo of water and hydrogen — Metabolism experiments Nos. 29 
and Si. 
Date. 
1900. 
Experiment No. 99. 
Mar. 16-17. 7 a. m. to 7 a. m... 
17-18, 7 a. m. to 7 a. m... 
18-19, 7 a. m. to 7 a. m.. 
Total. 3 days 
Average. 1 day 
Experiment No. 31. 
Mar. 22-23, 7 a. m. to 7 a. m.. 
23-24. 7 a. m. to 7 a. in.. 
24-25. 7 a. m. to 7 a. m.. 
Total, 3 days 
Average. 1 day 
Water. 
(«) 
(6) 
In food. In drink. 
Grams. 
915. 5 
915. 5 
915. 5 
Grams. 
1.2-50 
1.2-50 
1.2.50 
(o) 
(d) 
{e) 
(/) 
Apparent 
T Inres - l<»ss, 
In feces. In urine, piratorv a+b— 
product's. 
Grams. 
41.2 
41.3 
41.2 
Grams. 
641.0 
720. 3 
834. 3 
Grams. 
1,667.5 
1,439.4 
1,736.5 
Grams. 
184.2 
35. 5 
446. 5 
