57 
Table 62. — Income and outgo of nitrogen and carbon — Metabolism experiment Xo. 21. 
Nitrogen. 
Carbon 
(a) 
(b) 
(d) 
(e) 
(/) 
(9) 
(*) 
(ft) 
Time. 
Gain 
( + ) 
In re- 
Gain 
In 
In 
In 
or loss 
In 
In 
In 
11 §1 
or losa 
food. 
feces. 
urine. 
food. 
feces. 
urine. 
(-), 
a-(fi+ 
-(f+g 
1899. 
Gms. 
GlIIS. 
Gms. 
Gms. 
<ims. 
Gms. 
Gms. 
Gms. 
Gms. 
Feb. 12-13, 7 a.m. to 7 a.m 
15. 5 
1.0 
11.5 

215. 2 
9.0 
10.2 
215.2 
-19.2 
13-14. 7 a. m. to 7 a. m 
15 5 
1.1 
16. 2 
-1.8 
215. 2 
9.0 
11.3 
214.6 : 
-19.7 
14-15. 7 a. m. to 7 a. m 
15. 5 
1.0 
15.4 
— .9 
215. -2 
9.0 
10.9 
222.5 i 
— 27. 2 
Total, 3 days 
46.5 
3.1 
46.1 
-2.7 
645. 6 
27.0 
32.4 
652.3 
-66.1 
Average. 1 day 
15. 5 
1.0 
15. 4 
- .9 
215. 2 
9.0 
10.8 
217.4 
-22.0 
Table 63. — Income and outgo of water and hydrogen- — Metabolism experiment Xo. 21. 
Water. 
Time. 
(a) 
In food. 
(6) 
(c) 
(d) (e) 
In respira- 
In drink. In feces. In urine. tory 
products. 
(/) 
Apparent 
lOSS, 
o+6— (c+ 
d+e). 
1899. 
Grams. 
Grams. 
Grams. 
Grams. 
Grams. 
Grams. 
Feb. 12-13, 7 a. m. to 7 a. m 
889. 9 
1, 385. 4 
46.4 
1,628.3 
821. 3 
- 220. 7 
13-14, 7 a.m. to 7 a. m 
889. 9 
1, 383. 8 
46. 4 
1,689.5 
858.4 
- 320.6 
14-15,7 a.m. to 7 a.m 
889. 9 
1, 384. 9 
46.4 
1, 909. 3 
897.6 
- 578.5 
Total, 3 days 
2. 669. 7 
4. 154. 1 
139.2 
5.227.1 
2. 577. 3 
-1,119.8 
Average, 1 day 
.. 
1,384.7 
46. 4 
1,742.4 
859. 1 
- 373.3 
Hydrogen. 
Time. 
(SO W 
In food. In feces. 
V) (I) (m) 
Apparent Loss from 
In urine. gain. water, 
g-(h+i). /-=-9. 
Total 
gain ( + ) or 
loss (-), 
l-m. 
1899. 
Feb. 12-13. 7 a. m. to 7 a.m 
13-14,7 a.m. to 7 a.m 
14-15, 7 a. m. to "a.m 
Grams. Grams. 
31.8 1.2 
31.8 1.3 
31.8 1.2 
Grams. Grams. Grams. 
2.9 +27.7 - 21.5 
3.2 +27.3 - 35.6 
3.1 +27.5 - 64.3 
Grams. 
+ 3.2 
- 8.3 
-36.8 
Total, 3 davs 
95.4 3.7 9-2 +82.5 — V'4.4 —41.9 
31.8 ! 1.2 
3.1 +27.5 - 41.5 -14.0 
Table 64. — Gain or loss of protein (XX6.25) , fat, and water — Metabolism experiment 
Xo. 21. * 
Time. 
(«) 
Nitrogen 
gained 
(+) or 
lost (-). 
(6) 
Protein 
gained 
( + )or 
lost (-), 
ax 6. 25. 
1899. Grams. 
Feb. 12-13, 7 a. m. to 7 a. m 
13-14.7 a.m. to 7 a.m -1.8 
14-15,7 a.m. to 7 a.m — .9 
Total, 3 days -2.7 
Average, 1 day — .9 
Grams. 

-11.3 
- 5.6 
(c) (d) 
Total 
carbon 
gained 
( + )or 
lost(-). 
drams. 
-19. 2 
-19.7 
-27.2 
Carbon in 
protein 
gained 
(+)or 
lost(-), 
6x0.53. 
(e) 
Carbon 
it fat. 
etc. 
gained 
( + ) or 
- 
c-d. 
Grams. 

-6.0 
-3.0 
Gi ams. 
-19.2 
-13.7 
-24.2 
(/) 
Fat 
gained 
( + )or 
lost (-), 
e^0.761. 
Grams. 
-25. 1 
-17.9 
-31.6 
-16.9 
5.6 
-66.1 
-22. 
-9.0 
-3.0 
57.1 
19.0 
-74.6 
-24. 9 
