TABLE I 
Distance and time covered by observations outside the grid. 
Date 
No. of 
Hours 
No. of 
Miles 
April 
May 
April 
May* 
April 
May 
02 
04 
10.2 
8.0 
. 102 
87 
03 
05 
12.5 
13.0 
104 
107 
04 
06 
12.5 
13.0 
117 
118 
05 
07 
12.5 
12.7 
85 
120 
14 
15 
12.2 
12.7 
139 
104 
15 
16 
12.5 
12.8 
109 
* 127 
16 
17 
10.5 
12.7 
87 
127 
TOTAL 
5279 
84.9 
7^3 
790 
) 
TABLE 
11 
Distance 
and. time covered, by observations inside the grid. 
Date 
No. of Hours 
No. of Miles 
April 
May 
April 
May 
April 
May 
07 
08 
12.5 
12.9 
112 
89 
03 
09 
12.2 
12.9 
92 
105 
09 
10 
12.0 
12.8 
82 
143 
10 
11 
12.4 
12.8 
104 
126 
11 
12 
n.8 
12.8 
156 
114 
12 
13 
. 11.3 
13.0 
105 
152 
13 
14 
12.0 
12.7 
76 
109 
TOTAL 
84.2 
59.9 
727 
555 
I 
