TABLE 1. 
-u- 
Summary of Southern Grid Observations during the period 16-23 February 1967. 
DIURNAL 
Date 
No, Miles 
No. Hours 
No. Htrds 
No. Species 
16 
85 
12.2 
90 
5 
17 
37 
i*.2 
172 
1* 
18 
50 
9.3 
2612 
5 
19 
50 
8.6 • 
309 
5 
20 
93 
10.1 
271 
7 
21 
86 
12.1 
121 
6 
22 
80 
12.1 
20 
3 
23 
89 
6.9 
218 
5 
Totals 
570 
76.9 
NOCTURNAL 
3813 
13 (5.0/day) 
16-17 
1*8 
11.9 
22 
3 
19-20 
78 
11.2 
21* 
2 
20-21 
82 
11.9 
19 
1 
21-22 
52 
12.0 
12 
1 
22-23 
100 
11.8 
51* 
3 
Totals 
360 
58.8 
131 
5 (2.0/night) 
