102 
Table 120. — Record of carbon dioxid in ventilating air current — Metabolism experiments 
Nos. 29 and SI. 
Period. 
(a) 
Venti- 
lation 
(num- 
ber of 
liters of 
airl. 
Carbon dioxid 
</<) 
In incoming 
air. 
(d) 
In out- 
going 
air. 
(«) 
Total 
excess in 
outgoing 
air, 
rf-c. 
(/) 
Correc- 
tion for 
amount 
remain- 
ing in 
chamber. 
(9) 
Corrected 
amount 
exhaled 
by sub- 
ject, 
e+f. 
Total 
weight 
(b) 
Per 
liter. 
(c) 
Total, 
axb. 
ft car- 
bon ex- 
baled. 
9 ■ ft- 
1900. 
Experiment No. 29. 
Liters. 
Mg. 
Grams. 
G rams. 
Grams. 
Grams. 
Grams. 
Grams. 
Mar. 16-17 
7 a.m. to 1 p.m.. 
27, 208 
0.598 
16.3 
406.2 
389.9 
+49.6 
+439.5 
119.9 
1 p.m. to 7 p. m.. 
27, 985 
. 575 
16.1 
471.3 
455. 2 
+ 3.9 
459. 1 
125. 2 
7 p.m. to 1 a.m.. 
27, 985 
.597 
16.7 
282. 3 
265. 6 
-48.6 
217. 
59. 2 
1 a.m. to 7 a.m.. 
Total 
7 a.m. to 1 p.m.. 
27, 208 
.592 
16.1 
146. 9 
130. 8 
- 4.7 
126. 1 
34.4 
110, 386 
65.2 
1,306.7 
1.241.5 
+ .2 
1,241.7 
338.7 
17-18 
25, 653 
.592 
15.2 
396. 5 
381.3 
+59. 6 
440.9 
120. 2 
1 p.m. to 7 p.m.. 
27,208 
.591 
16.1 
450. 6 
434. 5 
- 8.2 
426. 3 
116.3 
7 p. m. to 1 a.m.. 
28, 762 
. 595 
17.1 
258. 3 
241 . 2 
-50. 7 
190. 5 
52.0 
1 a.m. to 7 a.m.. 
Total 
7 a.m. to 1 ]>. m.. 
28, 762 
. 594 
17.1 
147.3 
130.2 
- 2.6 
127. 6 
34. 8 
110, 385 

65.5 
1, 252. 7 
1,187.2 
- 1.9 
1,185.3 
323. 3 
18-19 
27, 208 
.564 
15.4 
415. 1 
399.7 
+59.4 
459.1 
125.2 
1 p.m. to 7 p.m.. 
27,208 
.514 
14.0 
492. 8 
478.8 
- 1.3 
477.5 
130.2 
7 p.m. to 1 a.m.. 
27, 985 
.601 
16.8 
262. 1 
245. 3 
-53.4 
191.9 
52. 3 
1 a.m. to 7 a. m.. 
Total 
Total, 3 days 
Experiment No. 31. 
26, 430 
.576 
15.2 
1 15. 2 
130.0 
- 1.7 
128.3 
35.0 
108,831 
61.4 
1,315.2 
1,253.8 
+ 3.0 
1,256.8 
342. 7 
329, 602 

192.1 
3,874.6 
3, 682. 5 
+ 1.8 
3, 683. 8 
1,004.7 
Mar. 22-23 
7 a. m. to 1 p. m . . 
25, 652 
.578 
14.8 
387. 5 
372.7 
+52.5 
425. 2 
116.0 
1 p.m. to 7 p.m.. 
26,430 
.600 
15.8 
447.7 
431.9 
3.7 
128. 2 
116.8 
7 p.m. to 1 a.m.. 
27, 985 
.580 
16.2 
232.0 
215. 8 
-49.0 
166.8 
45. 5 
1 a.m. to 7 a.m.. 
Total 
7 a. m. to 1 p. in.. 
26,430 
.563 
14.9 
143.0 
128.1 
— .5 
127.6 
34. 8 
106, 497 
61.7 
1,210.2 
1,148.5 
^ .7 
1,147.8 
313.1 
23-24 
25, 652 
.578 
14.8 
381.7 
366. 9 
+49.9 
416.8 
113.7 
1 p.m. to 7 p.m.. 
25, 652 
.589 
15.1 
443. 4 
128.3 
+ 1.2 
429. 5 
117.1 
7 p.m. to 1 a.m.. 
27, 985 
.567 
15.9 
243. 3 
227. 4 
-51.7 
175. 7 
17.9 
1 a.m. to 7 a. ml. 
Total 
7 a.m. to 1 p.m.. 
28, 762 
. 555 
16.0 
155.2 
139.2 
- .4 
138.8 
37.9 
108, 051 
; 61.8 
1,223.6 
1,161.8 
- 1.0 
1,160.8 
316. 6 
24-25 
25, 652 
.568 
14.6 
378. 5 
363.9 
+53.4 
417.3 
113.8 
1 p.m. to 7 p.m.. 
27, 208 
.581 
15.8 
455. 4 
439.6 
- 7.8 
431.8 
117.8 
7 p.m. to 1 a.m.. 
27, 985 
.574 
16.1 
235. 
218. 9 
-44.8 
174.1 
47.5 
1 a.m. to 7 a.m.. 
Total 
Total, 3 days 
27, 985 
.564 
15.8 
155. 6 
139.8 
+ 2.1 
141.9 
38.7 
108, 830 
62.3 
1,224.5 
1,162.2 
+ 2.9 
1,165.1 
317.8 
323, 378 
185. 8 
3, 658. 3 
3,472.5 
+ 1.2 
3. 473. 7 
947.5 
