64 
The results of the determination of carbon dioxid and water in the 
ventilating- air current are given in Tables 73-75: 
Table 73. — 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 /•'//" nts Nos. 28 and 24. 
Date. 
1S99. 
Mar. 16-17 
Carbon dioxid. 
End of period. 
Gain(+) 
Total orloss(-) 
amount in 
chamber. 
17-18 
18-19 
Mar. 19-20 
20-21 
Experiment No. 2S. Qram8 
7 a. m 24.5 
lp.m 44.3 
7 p. m 40.9 
la. m 29.8 
7 a . m 25. 2 
Total 
lp. m 39.9 
7 p. m 36. 3 
1 a. m 26.7 
7 a. m 25.0 
Total 
1 p. m 45.0 
7 p. m 42.1 
la. m 27.3 
7 a, m 26.4 
Total 
Experimt ni No. %k. 
lp.m 40.3 
7 p. m 34.9 
1 a. m 26.6 
7 a. m 27. S 
Total 
1 p. m 
7 p. m 
1 a. m 
7 a. m 
Total 
over pre- 
ceding 
period. 
Grams. 
+19.8 
-3.4 
-11.1 
-4.6 
Water. 
Total 
amount of 
vapor re- 
maining in 
chamber. 
Grams. 
35.2 
40.5 
43.2 
45.6 
37.7 
+ 
+14.7 
-3.6 
-9.6 
- 1.7 
.2 
+20.0 
-2.9 
-14.8 
- .9 
40.1 
41.8 
37.4 
33.5 
Gain ( 
v Total 
{ I amount 
orlossV-V am0U1 
or loss (— ) eainecK+i 
over pre- 
ceding 
period. 
Grams. 
-5.3 
- 2.7 
+ 2.4 
-7.9 
or lost( — j 
during the 
period. 11 
Grams. 
2.5 
+ 2.4 
+ 1.7 
- 4.4 
-3.9 
4.2 
39.2 
39.7 
38.4 
34.5 
1.3 
3.9 
+ 1.4 
+13.9 
- 5.4 
-8.3 
- 1.2 
37.9 
35.1 
39.0 
38.9 
3. 4 
2.8 
3.9 
.1 
+ \3 
- 2.7 
- 2.4 
-7.9 
+ 1. 
1.4 
3.9 
1.8 
3.9 
- 3. 
- 1.4 ... 

- 4.4 
- 4.4 
45. 6 
+17.8 j 
40.2 
- 1.3 
- 1.3 
38.6 
- 7.0 
41.5 
+ 1.3 
- 1.3 
29.1 
- 9.5 
41.1 
- .4 
- .4 
24.1 
- 5.0 
36. 7 
- 4.4 
- 4.4 
21-22 
1 p. m 
41.2 
+ 17.1 
39.6 i 
- 2.9 
7 p. m 
44.4 
- 3.2 
44.6 | 
+ 5.0 
+ 5.0 
1 a. m 
26.5 
-17.9 
44.3 
- .3 
- .3 
30.4 
+ 3.9 
46.,, 
— 2. 5 
Total 
- ('». ?, 
+10.1 
+10.1 
1 
»The variations in the weights of the absorbers were so small as to be within the limits of error in 
weighing. They are not taken into account in the calculations. There was no drip. 
