Part II.] 
Caccia ; Deveh'pment of Sal. 
227 
almost invariably relate to neglected tree.s, which have grown up under 
very abnormal conditions. The question should in each case be care- 
fully considered whether any useful purpose is gained by continuing to 
measure year after year trees, taken at random, without due considera- 
tion being paid to their condition or their environment. The following 
statements will in many cases indicate how far a careful scrutiny of the 
type trees at present under observation is desirable. No height mea- 
surements have been recorded. 
Mean Annual Girth Increment Tables. 
(Girth classes — o' — 1J'= Class V ; IJ' — .3' = Class IV ; 3' — 4' = Class 
III; 4|'— 6' = Class II; 6'— 8' = Class I.) 
Acacia Arabica. 
Name 
of 
Name of 
Forest 
Name of sample plot. 
Number 
of trees 
under 
Number 
of years 
. under 
Girth 
classes 
Mean 
Annual 
Incre- 
ment. 
ReM.'VRKS. 
Province. 
□ivi-ion. 
observ- 
ation. 
observ- 
ation. 
sented. 
U nitei 
Provinces. 
Gonda 
Sakra No. 3 
1 
2 
IV 
0*40 
Acacia Catechu. 
Province. 
Forest 
Ui\ ision. 
Sample plot- 
Number 
of trees 
under 
observ- 
acion. 
Number 
of years 
under 
observ- 
ation. 
Girth 
classes 
repre- 
sented. 
Mean 
Annual 
Incre- 
ment. 
Remarks. 
United 
Provinces. 
Kheri . 
Sample plot No. VI . 
94 
11, 111, 
IV 
0\|1 
Measurements 
taken in a 
pure khair 
wood, situa- 
ted within 
the limits of. 
a Sal forest.' 
