Growth and Structure of the Wood of Larix. 625 
TABLE lib . VARIABILITY IN BREADTH OF AUTUMN WOOD. 
Series i. Greatest difference of any one reading from the mean of the three taken close 
together at that point. 
1911. 
1910. 
1909. 
1908. 
1 9 ° 7 - 
1906. 
Mean . 
Section 13 
0-32 
0-30 
0*16 
0-26 
0-56 
0-14 
0*29 
„ 
12 
0*28 
o*i8 
0*42 
0-24 
o-68 
0-04 
0*31 
n 
0*56 
0-32 
0-20 
0-24 
0-20 
0-48 
o *33 
10 
0*28 
0-36 
0*28 
0*16 
o -34 
008 
0-25 
9 
0-14 
0-14 
0-18 
O'lO 
0*12 
C04 
0-12 
V 
8 
0*06 
0-06 
0*08 
0*12 
C08 
0.06 
0-08 
7 
0*08 
0*06 
0*08 
O'lO 
0'o6 
0*08 
0*08 
6 
0-14 
0-12 
0*02 
0*06 
0-14 
0-16 
O'll 
5 
0’o8 
0-08 
0-04 
0*08 
0*10 
0*12 
0*08 
4 
0*10 
0*08 
0*02 
0*08 
O'lO 
0*26 
O'l 1 
?? 
3 
0*02 
0*12 
0*06 
O'lO 
0*04 
0*12 
0'o8 
jy 
2 
0*04 
0-20 
0*12 
0-20 
0*06 
0*04 
O' 1 1 
?? 
1 
0*06 
0-08 
0-08 
o-io 
o-o8 
o*i6 
0*09 
Average of 
o*i6 
thirteen 
sections . 
C17 
0'i6 
0*13 
0-14 
0*20 
0-14 
Series 2. 
Greatest difference of any single reading from the mean 
of the twelve taken 
all round the tree. 
1911. 
1910. 
1909. 
1908. 
I907. 
1906. 
Mean . 
Section 13 
0*15 
0*12 
0-07 
o*i6 
0*25 
0'o8 
0-14 
„ 12 
0*12 
o*o8 
0-27 
o*i8 
0-25 
0-04 
ci6 
n 11 
0-25 
o*i6 
O' 1 2 
O' 1 2 
0*13 
0*19 
o-i6 
,, 10 
CI4 
O'iS 
0*15 
0*09 
0-14 
o*o6 
0-13 
1 f 9 
0*09 
co6 
O-IO 
0 06 
O'll 
0*04 
o*o8 
1, 8 
0*02 
0*04 
0*05 
C06 
0-03 
0*04 
0*04 
» 7 
o*o6 
0*03 
0*05 
0*06 
0*04 
0*05 
0*05 
» 6 
0*07 
0*05 
0*02 
0*03 
0*05 
C09 
0*05 
v 5 
o*c6 
0-05 
0*03 
0-04 
0*05 
O' 10 
0*05 
» 4 
0-05 
0-07 
0*02 
0*04 
o * 0 5 
O'l I 
co6 
„ 3 
0*02 
co8 
0*05 
0*07 
0*04 
0-07 
0*05 
>> 2 
0-03 
C07 
0*07 
o*o8 
0-04 
0*04 
0-06 
1 
0-03 
0*05 
0‘°5 
0*05 
0*07 
0*09 
o- 06 
Average of 
thirteen 
sections . 
0'o8 
CoS 
o-o8 
0-08 
O'lO 
O' 08 , 
0-08 
TABLE III. 
TREE B. 
Height of tree, 69 feet. 
Sections 
every 5 feet from the base up. 
( a ) Ring-breadth 
in Millimetres. 
1911. 
1910. 
1909. 
1908. 
1907. 
1906. 
Average of 
six years . 
Section 13 
!*4 
i-i 
o *9 
i *4 
i-8 
i *9 
i *4 
»» 12 
i -9 
i *7 
I '2 
1*2 
2*2 
2 *3 
i-8 
11 
i -5 
i *4 
I'l 
°*9 
2 *3 
2 *4 
i-6 
„ 10 
i-6 
i *5 
1*2 
°*9 
2* I 
i*8 
i *5 
>> 9 
i *4 
I'O 
0-6 
o-6 
1-8 
1*2 
o *9 
8 
o-8 
c6 
o *5 
o-6 
i *7 
i *4 
°*9 
>> 7 
o-6 
o *4 
o *4 
o *5 
i *4 
i-6 
o-8 
5 . 6 
°*4 
o -3 
o *3 
o *4 
i *5 
i *5 
o *7 
„ 5 
o -4 
o *4 
o -3 
o *5 
i *5 
i *7 
o-8 
v 4 
o*5 
0'2 
o *3 
o *4 
i*6 
i-8 
o-8 
» 3 
o *4 
O'l 
0-2 
o -3 
i-6 
i*8 
o *7 
>, 2 
o *3 
O'l 
0*2 
o *3 
i *4 
i *7 
°*7 
>> 1 
o-6 
o *5 
0'2 
o*4 
i *4 
2*1 
°*9 
Average of 
thirteen 
sections . 
o -9 
°*7 
0'6 
o-6 
i *7 
i-8 
I'O 
U U 
