292 
The Philippine Journal of Science 
1913 
2 G. 
7 a. m., 15.... 
Length, 11 a. m., April 13, 7.5 cm. 
Marked in 5 mm zones. 
Increment, 12 noon, April 14: 
Zone. Growth. 
1 3.5 
2 4.0 
3 4.5 
4 4.0 
5 3.4 
6 8.0 
7 2.0 
8 .1 
9 \ 10.0 
10 J 
11 3.5 
12 3.0 
13 2.0 
14 1.7 
Total..- 44.6, or 63.71 per cent. 
2 H. 
11 a. m., 13 
6 p. m., 13. 
12 m., 14. 
4 p. m., 14... 
6 and 8 p. 
m., 14 
7 a. m., 15 
Length, 11 a. m., April 13, 10 cm, 
Marked in 5 mm zones. 
Increment, 12 noon, April 14: 
Zone. Growth. 
1 3.0 
2 4.0 
3 4.6 
4 3.0 
5 2.8 
6 3.0 
7 2.2 
8 1.8 
9 2.0 
10 2.5 
11 2.5 
12 2.2 
13 2.2 
14 2.3 
15 2.5 
16 2.0 
17 1.5 
18 1.0 
19 5 
Total. 45.6, or 48 per cent. 
