476 
Darwin. — On the Growth of 
From 8 a.m. to 10.36 the rate of shrinking increases; then 
(11.18) diminishes for unknown reasons; 12.49, increases 
greatly with bright sun. A permanent swelling of the fruit 
begins at 3.30 with the appearance of clouds ; the rate of 
swelling reaches a maximum at 5.1 o, and falls to practically 
zero by 10 p.m. 
EXPERIMENT XIV.— Sept. 24, 1892. V2. 
Time. 
Reading. 
Rate. 
Temp. C°. 
Psychr. 
mm. 
At per min. 
7.58 a.m. 
8-947 
15.0 
97 
Raining. 
8.1 „ 
•960 
+ 4*3 
•31 „ 
.960 
0 
15*7 
97 
9 -i „ 
.940 
-0.7 
17.1 
97 
.30 „ 
.885 
-1.9 
18.1 
93 
10.2 „ 
.845 
— 1 *3 
19-8 
9 i 
Cloudy. 
•34 >> 
•745 
- 3 -i 
23.8 
77 
Sun on fruit and on 
thermometer, which 
is now moved. 
• 3<5 „ 
Shading put on, and 
.40 „ 
• 7°5 
-6.7 
door opened; cloudy. 
11. 11 „ 
•640 
— 2.1 
21-0 
84 
Faint sun. 
•47 « 
•610 
-0.8 
21.6 
80 
Sun and cloud. 
12.15 p.m. 
•595 
-0.5 
22-3 
76 
Cloud. 
•43 » 
•560 
-i -3 
Sun. 
1. 18 „ 
•565 
+ 0-1 
2I.5 
72 
Sun. 
•45 > y 
.560 
— 0*2 
22-5 
77 
Sun. 
2.28 ,, 
•549 
- 0-3 
23.2 
76 
•59 „ 
.510 
- 1-3 
22-8 
69 
Sun. 
Plant disturbed. 
3.8 p.m. 
8.495 
•22 „ 
.480 
— 1. 1 
20-3 
64 
Sun. 
•43 » 
•473 
-0.3 
19.1 
65 
Sun. 
4-25 „ 
•435 
-0.9 
•35 „ 
.450 
+ i -5 
16.8 
70 
•50 „ 
•465 
+ 1-0 
5 -o v 
•475 
+ 1.0 
16-0 
72 
Sun off house ; shad- 
• IO » 
•485 
+ 1*0 
ing removed. 
.20 „ 
•520 
+ 3*5 
15-5 
76 
• 30 „ 
•580 
+ 6-o 
14-9 
80 
•55 » 
.625 
+ 1.8 
13-9 
9 1 
6.5 » 
•660 
+ 3-5 
•30 „ 
•705 
+ 1.8 
13.2 
90 
•56 „ 
•745 
+ i -7 
12*2 
94 
8.0 „ 
•8io 
+ 1-0 
10-5 
95 
•55 » 
.840 
+ 0.5 
9.6 
96 
9-58 „ 
.860 
+ 0.3 
9-5 
96 
10.30 „ 
•870 
+ o -3 
9.4 
96 
The next series of measurements were made on a fruit (V 6) 
63 mm. in diameter, growing in a greenhouse running north 
