40 
Indian Forest Records . 
[Vol. VI 
(ii) Proportion of Heart-wood and Sap-wood. 
At a height of 
Diameter in inches. 
Heart-wood. 
1 
Sap-wood. 
Total. 
Natural saplings. Age 40. Average of 
18 trees. 
5' 
1-2 
31 
4*3 
10 ' 
•6 
3-5 
4-1 
15' 
•3 
3-1 
3-4 
20 ' 
2-6 
2-6 
25' 
2-0 
2-0 
30' 
1*0 
1-6 
Plantation saplings. Age 37. Average of 
14 trees. 
V 
1-9 
2-3 
4-2 
5' 
1-6 
2-2 
3-8 
10 ' 
•6 
. 2-8 
34 
15' 
•2 
2-9 
31 
20 ' 
•1 
2-5 
2 6 
25' 
21 
2 1 
30' 
1-3 
1*3 
35' 
•• 
•7 
*7 
(Hi) Bark Thickness. 
Same for Natural and Plantation croups. 
Average of 31 saplings, 37 ft. high. 
Height in feet. 
Bark thickness in inches. 
1 
•22 
5 
•19 
10 
•16 
15 
•13 
20 
•10 
25 
•08 
30 
•05 
35 
•03 
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