Mar. 15, 1925 
Mortality of Trees Attacked by the Spruce Budworm 545 
Table VI. — Composition of plots, Bathurst , New Brunswick 
No. 
Bal¬ 
sam 
Red 
spruce 
White 
spruce 
Hard¬ 
woods 
Num¬ 
ber of 
trees 
Aver¬ 
age 
diam¬ 
eter 
Basal 
area 
Height 
Largest trees 
Num¬ 
ber 
D. b. h. 
Per cent 
Per cent 
Per cent 
Per cent 
Inches 
Sq. in. 
Feet 
Inches 
3d_ 
12.6 
67.2 
21.2 
10.7 
67 
6.8 
16. 75 
60 
5 
11 
3c_ 
4.8 
75.0 
20.2 
1.2 
84 
6.8 
20. 49 
60 
2 
11 
3b_ 
7.7 
62.6 
29.7 
1.0 
91 
7.1 
24. 87 
60 
2 
14 
3a__ 
30.2 
52.4 
17.4 
1.5 
63 
8.0 
24.17 
70 
1 
15 
9b_ 
8.2 
91.8 
0 
15.5 
98 
6.0 
19. 49 
57 
3 
10 
9a_ __ 
5.8 
94.2 
0 
8.4 
87 
6.1 
17. 77 
55 
2 
10 
<5a_ 
5.5 
67.5 
27.0 
0 
111 
6.3 
24. 35 
56 
2 
11 
-6b__ 
1.2 
67.4 
31.4 
11.9 
89 
6.1 
18.20 
56 
3 
10 
Table VII. — Radial increment in millimeters at d. b. h. from 1903 to 1912, in¬ 
clusive, and mortality of trees in plots of Table VI a 
No. 
Balsam, increment 
Red spruce, increment 
White spruce, increment 
All spruce 
Dead 
Liv¬ 
ing 
Dead 
All 
Dead 
Dead 
All 
Dead 
Liv¬ 
ing 
Dead 
All 
Dead 
Incre¬ 
ment 
P. ct. 
Mm. 
Mm. 
Mm. 
P.ct. 
Mm. Mm. 
Mm. 
P. ct. 
Mm. 
Mm. 
Mm. 
P.ct. 
Mm. 
3d 
14.3 
9.7 
9. 7 
2.2 
10.6 _ 
10.6 
7 .1 
13.3 
13.3 
3.4 
11.2 
3c_ 
50.0 
7.0 
7.0 
3.2 
10.6 6.0 
10.4 
35.3 
11.4 
4.6 
9.0 
10.0 
10.3 
3b_ 
28.5 
12.0 
3.0 
9.4 
10.8 
9.9 _ 
9.9 
44.4 
10.0 
5.9 
8.1 
15.4 
9.3 
3a... __ 
100.0 
9.2 
9.2 
15.1 
9.4 . 7.2 
9.1 
36.4 
8.9 
6.0 
7.8 
20.5 
8.8 
•9b 
50. 0 
16.0 
17.0 
16.5 
23.3 
9.0 1 7.2 
8.6 
23.3 
8.6 
Ua_ 
100.0 
7. 7 
7. 7 
40.3 
9.0 6.2 
7.8 
40.3 
7.8 
•6a_ 
33.3 
40.0 
8.9 7.0 
8.1 
66.6 
8.6 
4.9 
6.1 
47.6 
7.6 
•6b_ 
100.0 
— 
— 
— 
41.7 
8.8 5.5 
7.4 
53.7 
10.0 
2.7 
6.1 
45. 4 
7.0 
A verage 
11.6 
9.4 
10.4 
9.5 6.5 
8. 5 
10.5 
4.8 
8.1 
(12) 
(16) 
(118) (54) 
(40) 
(29) 
a Figures in parentheses refer to number of measurements. 
Table VIII. — Composition of plots, Bathurst, New Brunswick 
Plot No. 
Balsam 
Red 
White 
I 
| 
Hard- | 
1 
Num¬ 
ber of 
trees 
Aver¬ 
age 
diam¬ 
eter 
Basal 
! 
Height 
Largest trees 
(65 years) 
spruce 
spruce 
wood 
1 
| 
area 
Num¬ 
ber 
D.b.h. 
18_ 
Per cent 
21.4 
Per cent 
28.6 
Per cent 
50.0 
Per cent , 
0 
57 
Inches 
6.9 
Sq. in. 
15.42 
Feet 
70 
2 
Inches 
15 
7b_ 
53.2 
42.0 
4.8 
26.2 
62 
6.0 
12. 78 
65 
1 
12 
17a_ 
1.2 
73.2 
25.6 
0 
82 
7.0 
22.11 
65 
2 
12 
16... 
11.6 
26.8 
61.6 
0 
112 
6.5 
25.61 
65 
3 
11 
17__ 
22.2 
29.6 
48.2 
0 
54 
8.4 
20. 75 
68 
3 
12 
15_ 
15.6 
31.1 
53.3 
2 
90 
7.9 
26.32 
65 
3 
10 
7_ 
30.3 
63.2 
6.5 
10.6 
76 
6.2 
15.96 
60 
2 
10 
7a_ 
39.5 
51.1 
9.4 
2.3 
86 
6.5 
19. 97 
61 
2 
11 
14a_ 
26.4 
46.1 
26.4 
4.7 
121 
5.8 
22. 37 
60 
6 
9 
13_ 
15.6 
6.9 
77.4 
0 
116 
7.0 
31.08 
60 
1 
13 
14_ 
57.6 
5.6 
36.8 
0 
126 
5.8 
23. 46 
60 
1 
10 
