11.] RATE OF GROWTH. 17 
12, 15, 18, 21, and 24 inches, measured from the pith, or 
centre, are shown in the following table :— 
TABLE II. 
g | see 
DIAMETER OF THE STEM. o. 5 o.8 
Concentric circles, or woody layers, in Se E25 
No. Description. SE F es 
as mes 
6in.|12 in.|18 in.}24 in.!30 in.}36 in.|42 in.|/48 in. 6 gos 
4 | 288 
1| Oak, English . | 22] 34] 54 | 68]... |. |.) |. | TO] 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] 1) 1°25 
4| do. French. 181 34 | 47 | G0]... 4... | |. | IO] 2°50 
5} do. Roman. .]15|] 28 | 43 | 62 | 76]... |... |... | 10 | 2°60 
6| do. Sicilian .|24] 44 | 65 | 87 [104] ... |... | -. | 10 | 3°60 
7| do. Neapolitan {19} 37 | 58 | 72 | 86 {110 ]128 | ... | 15 | 3°00 
8| do. Sardinian. |25] 45 | 65 | 89 | ... |... |. | «+ | TO} 3°70 
oe ees 9| 56 | 81 |107 |140 6| 4°45 
10] do. Dantzic .|27| 58 | 87]... | we | oe fee fee | 6] 4°83 
11j do, Spanish . | 36] 81 [130 | ... | --. |---| oe | ee | 4] 7°20 
12| do. Turkish . |}... |... [cee fees | ee | vee ere | re | 3 f £2700 
ua Se: Aneen 36| 63 | 89 |112z j129 |... |... | | TO] 4°70 
14| do. do. (Bal- ‘ 
supe) 46| 82 1137 [183 |... | we | ee | | TO] 7°60 
15}]| ee aa 49 |105 j160 |216 |... |... |... |. | 4 | gr00 
16| Teak, Burmah 
(Moulmein) 7) 47 | 72 | 98 BO| 400 
17| do. do. (Ran- 5 
pon. co (Poe OO ee ee 5 | 4°75 
18| do. Malabar .| 19] 40 | 64 | 90 | ... 10 | 3°75 
19} do. Siam . .|28} 59 | 88 {118 | ... 5 | 4°90 
20 | Pyengadu(Iron- H 3 + 
wood), Burmah es 
21 | Chow, or Men- 
kabang Pe- 4] 3°00 
nang, Borneo 
22} Pingow do. Be eee ee erent ere Peer meta (soe Pe + 
23| Kranji dow fo. } ce | ce [ove | vee Povee Pee Pee f+ + 
24|Kapor dow «jf... | --. | eee | vee | vee | vee | vee | ee | 4 | 7700 
25 | Molavé, Philip- 3 + 
pine Islands }|°" 
* These were trees of magnificent growth and first quality. + Not clearly traceable. 
c 
