TOTAL NUMBER OF DOVES HEARD 
6 0O- 
~ 30 
FIGURE 3. The time factor. 
MORNING COUNT 

0 30 60 
JAINUTES AFTER SUNRISE 
Summary. = resulta of S-crew counts. 
AFTERNOON COUNT 
5 0- 
Q 
& 
Zz 2s 
m 40 
z= 
A) 
lay 
a 
, 
Q 
Q 
& 
ly 
gy 
y 
~ 
2 2 0- 
x g¢. APRIE --—— 
ns Ay : ae -_— — ete 
‘ a jue ™: awe 
a > ana 

AUGUST 
9Q PF 0 90 60 30 ¢) 
JAINUTES BEFORE SUNSET 
