554 
Richards . — The Respiration of 
Experiment 2 . 
2 6 small potato-tubers, 200 grams. Respiration, uninjured, 
practically nothing. Sliced in half. Ran apparatus of half- 
hour. Air-current, 3*5 litres. 
Date. 
Time. 
Tempera- 
ture. 
mg. C 0 2 
produced 
per hour. 
xi. 15. ’95 
10.15 - 11. 15 a.m. 
20° 
8.80 
>> 
1 1. 15 - 12.15 P- m - 
2°°.5 
8-io 
n 
12.15- I-I5 » 
2 o °-5 
6.90 
1 - 15 - 2.15 „ 
20°-7 
6-90 
99 
2.15- 3.15 „ 
21 ° 
6.50 
» 
3 -i 5 - 4- T 5 » 
21° 
6-70 
99 
4* I 5 - 5 -i 5 >> 
21° 
7.70 
99 
5.15 - 6.15 „ 
20°.8 
7.70 
6.15- 7* I 5 » 
20°.s 
6.30 
99 
7 -i 5 - 9- T 5 » 
20°*6 
8.85 
xi. 16. ’95 
12.00- 1. 00 „ 
21° 
11.70 
99 
1. 00- 3.00 ,, 
21° 
10-25* 
99 
3.00- 4.00 „ 
2I°.I 
IO-IO 
>9 
4.00 - 5.00 ,, 
2I°-I 
8.25 
xi. 17. ’95 
10.30 - 1 1.30 a.m. 
20°. 5 
9.10 
99 
11.30 - 12.30 p.m. 
20°-5 
9.00 
xi. 18. ’95 
9.30 - 10.30 „ 
20°. 5 
7-30 
xi. 19. ’95 
9.20 - 10.20 ,, 
20°. 7 
6.70 
xi. 20. ’95 
3.50- 4.50 p.m. 
20°-8 
5 - 7 ° 
xi. 21. ’95 
12.00 - 1.00 „ 
20°-4 
4 - 5 ° 
* Reduced to value of i hour. 
