»•] 
RATE OF GROWTH. 
*7 
12, 15, 18, 21, and 24 inches, measured from the pith, or 
centre, are shown in the following table :— 
Table II. 
Diameter 
of the Stem. 
<D 
0 J g 
& °.2 
No. 
Description. 
Concentric circles, or woody layers. 
in 
C- V 
0 a 
6 in 
12 in 
18 in. 
24 in 
30 in 
36 in 
42 in 
48 in 
g X 
D 
£ 
bX) „ 
d £ 
1 - S-b 
I 
Oak, English 
22 
34 
51 
68 
10 
2*84 
2 
do. do. *. 
12 
20 
28 
36 
44 
53 
64 
76 
10 
1-50 
3 
do. do. * . . 
13 
19 
24 
30 
37 
40 
44 
49 
I 
1-25 
4 
do. French. 
18 
34 
47 
60 
10 
2 ‘ 5 ° 
5 
do. Roman. 
is 
28 
43 
62 
76 
10 
2 - 6o 
6 
do. Sicilian 
24 
44 
65 
87 
104 
10 
3-60 
7 
do. Neapolitan 
19 
37 
58 
72 
86 
no 
128 
15 
3 ‘°° 
8 
do. Sardinian . 
25 
45 
65 
89 
10 
370 
Q 
do. Dutch or ) 
56 
81 
6 
Rhenish ( 
29 
107 
140 
4''45 
IO 
do. Dantzic 
27 
S8 
87 
6 
4 '83 
II 
do. Spanish 
36 
81 
130 
4 
7‘20 
12 
13 
do. Turkish 
do. American ) 
36 
63 
3 
12 'OO 
White \ 
89 
112 
129 
10 
470 
14 
do. do. (Bal- ) 
timore) $ 
46 
82 
137 
183 
10 
7‘60 
15 
do. do. (Ca- j 
nadian) ) 
49 
105 
160 
216 
4 
9'00 
l6 
Teak, Burmah ) 
27 
47 
7 i 
96 
(Moulmein) \ 
10 
4'oo 
17 
do. do. (Ran- j 
goon . . ( 
27 
60 
87 
114 
5 
475 
18 
do. Malabar . 
19 
40 
64 
90 
10 
375 
19 
do. Siam 
28 
59 
88 
118 
5 
4-90 
20 
Pyengadu(Iron- ) 
t 
wood), Burmah 1 
3 
21 
Chow, or Men- ) 
kabang Pe- > 
nang, Borneo ) 
4 
3-00 
22 
Pingow do. . 
... 
4 
t 
23 
Ivranj i do. 
4 
+ 
24 
Kapor do. . 
Molave, Philip- ) 
4 
7 - oo 
25 
t 
pine Islands ) 
3 
These were trees of magnificent growth and first quality. t Not clearly traceable. 
