128 
Indian Forest Records. 
[VoL. I. 
trees are found to attain a maximum average height of 120 feet, and in 
the Tista Valley Reserve of the Darjeeling Division trees 161 feet in 
height have been measured.* 
The Sal forests of the Dehra Dun and Naini Tal Divisions, with a 
mean maximum height growth of 70 feet fall into Class II; whilst the 
Tulsipur reserve of the Gonda Division, the poorer Sal tracts of the 
Singhbhum and Mandla Divisions are examples of Class III, with height 
maxima varying between 40 and 50 feet, falUng as low as 30 feet in 
the case of the Paranpur closed reserve of the Pilibhit Division. 
In the Puri Reserved forests, Bengal, measurements were taken of 
50 trees in each diameter class by Mr. C. C. Hatt, I.F.S., with a view to 
arriving at a proximate idea of the average heights and girths of the Sal 
in the different diameter classes, with the following results : — 
Average Height. 
Diameter Classes. 
Feet. 
Inches. 
Average Girth. 
3" to b" ... 
39 
9 
14’ 
6’ to I' 
6l 
3 
00 
i' to I' 6" . 
8o 
8 
00 
I'b" to 2' 
83 
kO 
62" 
2' and over . 
100 
0 
86’ 
The following diagram (Fig. No. 1), prepared from data collected 
by^Mr. F. A. Leete, F.C.H., exhibits the progress of height growth of 
the average Sal tree in the Trans -Saida forests of the Kheri Division, 
United Provinces. 
• The following are the actual dimensions of one tree, measured in the valley of the 
Great Rangit: — 
Total height ........ 161 feet. 
, Height to first branch . . . . . . 86 „ 
Girth 4 feet from ground ..... 10 feet 8 inches. 
Paragraph 34, Working-Plan of the Tista Valley Range forests, by F B. Manson, 189&‘ 
