466 
Darwin . — On the Growth of 
EXPERIMENT VI.— Sept. 14, 1892. V2. 
Time. 
Reading. 
Rate. 
Temp. 
mm. 
Mgr. per min. 
11.10a.m. 
33*5 
22.5 
•30 „ 
336 
+ 6 
12.2 p.m. 
•32 „ 
335 
336-5 
21-2 
21. 1 
Cloudy. 
.48 „ 
336-5 
- 11 
1.4S ,, 
336 
+ 3 
24 
2.48 ,, 
335-5 
+ 3 
23 
Half-sun. 
4.0 „ 
335-5 
0 
22 
5-o „ 
335-5 
0 
21 
Sunny, but too oblique 
6.0 „ 
330-5 
+ 28 
15-5 
to reach plant. 
7-8 „ 
320 
+ 50 
12.5 
8.0 „ 
312-5 
+ 48 
n-5 
9-° „ 
304 
+ 47 
n-5 
10.0 >> 
296 
+ 44 
10.5 
10.38 „ 
292.5 
+ 30 
10 
Exp. 6 shows once more the evening rise and nocturnal fall 
in the weight curve. 
EXPERIMENT VII.— Sept. 15, 1892. V2. 
Time. 
Reading. 
Rate. 
Temp. 
8.0 a.m. Weights 
Mgr. per min. 
altered. 
mm 
8.10 „ 
364 
14 
Shading removed at 
9.0 „ 
386 
— 146 
18-5 
8 a.m., and sun shin- 
1 0.0 „ 
394-5 
-47 
21 
ing on plant until 
IT.O „ 
405-5 
— 61 
20.3 
10.30, when shading 
12.6 p.m. 
406 
-3 
20*5 
replaced. 
12.38 „ 
404-5 
+ 15 
20.5 
1.0 „ 
406 
-23 
21-5 
2.0 „ 
406 
0 
20 
3 -° „ 
4°5 
+ 6 
20 
Sun and cloud. 
3-38 „ 
4°3 
+ 18 
19-5 
Power of sun much less. 
4.0 „ 
401 
+ 3 ° 
19 
Shading removed. 
4-36 „ 
401 
0 
18-3 
50 „ 
398 
+ 42 
18-5 
5-30 „ 
394 
+ 44 
l6 
6.0 „ 
388 
+ 67 
15 
6.18 „ 
384 
+ 74 
14-3 
6.36 „ 
379-5 
+ 83 
13 
Twilight. 
7 -o „ 
374 
+ 76 
12.5 
8.0 „ 
358-5 
+ 86 
12 
9.0 „ 
348 
+ 58 
1J *5 
10.0 „ 
337-5 
+ 58 
II -5 
10.30 „ 
331-5 
+ 67 
n -5 
