39 
Part II.] Statistics compiled in the Silviculturist's office. 
Summary of results of measurements in Forest Research Institute Sample 
Plots. 
Species— Aoacia Cateqhtj. 
Siwalik Division , Western Circle, United Provinces. 
Sample Plot. 
Forest Research Institute Sample 
Plot No. 6. 
Thinned or Unthinned. 
Unthinned. 
Descriptive details 
Fully stocked crop of Shisham (Dalbergia 
Sissoo) and Khair (Acacia Catechu) on allu¬ 
vial soil of sand and boulders. Dense under¬ 
growth of Adhatoda Vasica. 
Period of measurement 
1910-11 to 1916-16 
Total number of measurements 
45* 
Rate of growth in girth. 
Age in years. 
Ft. in. 
20 
0 2 
30 
0 
40 
0 7 
50 
0 9^ 
60 
1 H 
70 
1 5f 
80 
1 10 
90 
2 2i 
100 
2 6| 
110 
2 10 
Note. —Nothing has been added for the time required for the seedling to establish itself. 
* 0" to 12"—10 meases.; 12" to 24"—33 measts.; 24" to 36"—2 measts.; = 45 measurements. 
[ 69 ] 
