112 
The statistics of the quantity and composition of the urine eliminated 
on different days and different periods of the day are shown in Tables 
133 and 134. The statistics of measurements of carbon dioxid and 
water in the ventilating air current for 6-hour periods are given in 
Tables 135-137. 
Table 133. — Amount, specific gravity, and nitrogen of urine by 6-hour periods — Metabo- 
lism experiments Nos. 82 and 84. 
Date. 
Period. 
Amount 
of urine. 
Specific 
gravity. 
Nitrogen 
content. 
1900. 
Apr. 20-21 
Experiment No. 32. 
Grams. 
279.6 
371.1 
324.8 
262. 1 
1.026 
1.022 
1.018 
1.018 
Per cent. 
1.41 
1.26 
1.21 
1.28 
drams. 
3.94 
4.68 
7 p. m. to 1 a. m 
3.93 
3 35 
Total 
1,237.6 
1,237.6 
15 90 
Total by composite 
7 a. m. to 1 p. m 
1 p. m. to 7 p. m 
7 p. m. to 1 a. m 
1 a. m. to 7 a. m 
Total 
Total by composite 
1.021 
1.28 
15. 84 
21-22 
446.6 
586.5 
240.0 
214.8 
1.015 
1.015 
1.022 
1.021 
.85 
.74 
1.50 
1.49 
3.80 
4.34 
3.60 
3.20 
1,487.9 
1,487.9 
14.94 
1.018 
1.01 
15.03 
22-23 
404.3 
358. 2 
192. 5 
149.1 
1.020 
' 1.023 
1.030 
1.029 
.94 
1.20 
2. 02 
2. 15 
3 80 
1 p. m. to 7 p. m 
7 p. m. to 1 a. m 
1 a. m. to 7 a. m 
Total 
Total by composite 
Total, 3 days, by periods 
Total by composite 
4.30 
3.89 
3. 21 
1,104.1 
1,104.1 
15. 20 
1.024 
1.39 
15.35 
3,826.6 
3,829.6 
46.04 
46.22 
Experiment No. 9k. 

Apr. 26-27 
243.4 
271.2 
192.7 
144.1 
1.027 
1.029 
1.030 
1. 029 
1 . 75 
1.83 
2. 29 
■1. 35 
4.26 
1 p. m. to 7 p. m 
4.96 
7 p. m . to 1 a. m 
4.41 
1 a. m. to 7 a. m 
Total 
Total by composite 
7 a. m. to 1 p. m 
1 p. m. to 7 p. m 
3.39 
851.4 
851 . 4 
17.02 
1.030 
1.98 
16.86 
27-28 
257.2 
301.6 
200.1 
150. 1 
1.024 
1.027 
1.029 
1. 028 
1.59 
,.« 
1.93 
2. it; 
4.09 
4.67 
7 p. m. to 1 a. m 
la. m. to 7a. m 
Total 
Total by composite 
7 a. m. to 1 p. m 
:.;. 86 
3.24 
909.0 
909.0 
15. 86 
1.026 
] . 70 
15.45 
28-29 
280.4 
£56. 3 
302. 5 
156. 2 
1.025 
1.024 
1.021 
1.027 
1.43 
1.28 
1.44 
1.99 
4.01 
4. 56 
7 p. m. to 1 a. m 
4.36 
1 a. m. to 7 a. m 
3.11 
Total 
Total by composite 
Total, 3 davs, by periods 
1,095.4 
1.095.4 
16.04 
1.024 
1.45 
15.88 
2. 855. S 
2, 855. 8 
48. 92 
Total bv composite 
18. 19 
Total, 9 days, » by composite 
9.910.0 
1.024 
1.46 
144.79 
Including 3 days of an experiment not here reported. 
