77 
Table 88. — Comparison of residual amounts of carbon dioxid and water in the chamber 
at the beginning and end of each period, and the corresponding gain or loss — Metabolism 
expi riment No. 25. 
Date. 
1900. 
Jan. 23 
End of period 
< a. 
lp. 
7 p. 
la. 
1 p. 
7 p. 
1 a. 
7 a. 
lp. 
7 p. 
la. 
Total 
m 
Total 
Carbon dioxid. 
Total 
amount 
in 
chamber. 
Gram*. 
27.-4 
36.7 
45.6 
27. 6 
26.6 
Water. 
Gain ( + ) 
orloss(— ), 
Total 
amount 
of vapor 
over pre 
ceding 
P eriod - ch€ nber. 
remain- 
ing in 
Gain ( + ) 
orloss( — ) 
over pre- 
ceding 
period. 
Grami 
4-9.3 
+ 8.9 
-18.0 
-1.0 
Grams. 
36.5 
42.9 
44.1 
43.9 
37.4! 
+6.4 
+1.2 
-6.5 
.8 
38. 6 
44.6 
26.0 
24.9 
+12.0 
41.8 
-6.0 
39.3 
-18.6 
41.2 
- 1.1 
35.0 
-4.4 
-2.5 
+ 1.9 
-6.2 
-2.4 
Change 
in weight 
of ab- 
sorbers, 
gain ( + ) 
orloss(-). 
Grami 
Total 
amount 
gained ( + ) 
or lost ( — ) 
during the 
period. 
Grams. 
+11 
+ 10 
-11 
-10 

-17.4 
-11.2 
-11.2 
-16.5 
D. i 
.5 
.1 
8.2 
m 
35. 5 
46. 7 
26.8 
26.4 | 
+10.6 
-11.2 
-19.9 
- .4 
40.3 
43.5 
40.3 
36.5 
+5.3 
-3.2 
-3.8 
- 1 



+ 4.3 
+ 3.2 
m 
- 3.2 
m 
- 3.8 
3 davs 
Total 
! 
+ 1.5 . 
+1.5 
- 1 
+ .5 
Total, 
- 1.0 . 

- 3 
- 3.0 
Table 89. — Record of carbon dioxid in ventilating air current — Metabolism experiment 
Xo. 25. 
Period. 
(«) 
Ventila- 
tion 
(number 
of liters 
of air). 
Carbon dioxid. 
(h) 
Date. 
In incoming 
air. 
id) 
In out- 
going 
air. 
(e) 
Total 
excess 
in out- 
going 
air, 
d-c. 
Correc- 
tion for 
amount 
remain- 
ing in 
chamber. 
(9) 
Corrected 
amount 
exhaled 
by sub- 
ject, 
e+f. 
Total 
weight 
of car- 
(6) 
Per 
liter. 
(c) 
Total, 
a x 6. 
haled, 
g x &. 
1900. 
Liters. 
Mg. 
Grams. 
Grams. 
Grams. 
Grams. 
Grams. 
Grams. 
Jan. 23-24 
7 a.m. to 1 p.m ... 
25, 652 
0. 624 
16.0 
244.9 
228. 9 
+ 9.3 
238. 2 
65.0 
1 p.m. to 7 p. m ... 
26,430 
.593 
15.7 
247. 3 
231.6 
+ 8.9 
240. 5 
65.6 
7 p. m. to 1 a.m ... 
27, 208 
.561 
15.3 
226.6 
211. 3 
—18.0 
193.3 
52.7 
1 a.m. to 7 a.m ... 
Total 
7 a.m. to 1 p.m ... 
26,430 
.539 
14.2 
144.0 
129.8 
— 1.0 
128. 8 
35.1 
105. 720 
61. 2 
862. 8 
801.6 
- .8 
800.8 
218.4 
24-25 
26, 430 
.011 
16.1 
238. 8 
222. 7 
+12. 
234. 7 
64.0 
1 p.m. to 7 p.m ... 
27,208 
.598 
16.3 
233. 4 
217. 1 
+ 6.0 
223. 1 
60.8 
7 p.m. to 1 a.m ... 
27, 985 
..560 
15.7 
235. 
219.3 
-18.6 
200.7 
54.7 
1 a.m. to 7 a.m ... 
Total 
7 a.m. to 1 p.m ... 
27,985 
.549 
15.4 
150.7 
135.3 
- 1.1 
134.2 
36.6 
109, 608 

63.5 
857.9 
794.4 
- 1.7 
792.7 
216. 1 
25-26 
27. 207 
. 572 
15.6 
224. 8 
209. 2 
+10.6 
219.8 
59.9 
1 p.m. to 7 p.m ... 
26, 430 
.588 
15.5 
233. 4 
217. 9 
+11.2 
229. 1 
62.5 
7 p.m. to 1 a.m ... 
27,985 
.584 
16.3 
235. 6 
219. 3 
-19.9 
199.4 
54.5 
1 a.m. to 7 a.m ... 
Total 
Total, 3 da vs. 
27, 208 
.548 
14.9 
156.6 
141.7 
- .4 
141.3 
38.4 
108, 830 
62.3 
851 >. 4 
788.1 
- 1.5 
789.6 
215. 3 
324, 158 

187.0 
2,571.1 
2,384.1 
- 1.0 
2, 383. 1 
649.8 
