THE SECOND SEASON (1919) 31 
Cuckoo A — continued. 
Presumed 
Presumed 
Date when 
No. of 
date of 
order of 
egg found. 
egg. 
Fosterer. 
laying. 
laying. 
June 12 
A 10 
Meadow Pipit 
June 11 
1 2 th 
>1 21 
A 11 
>, 19 
1 6th 
„ 21 
A 1 -* (Young Cuckoo) ,, 
„ 5 
9th 
„ 22 
A *3 
,, 21 
17th 
„ 22 
A 14 
,, 17 
15th 
m 22 
A '5 
„ IS 
14th 
„ 23 
A 16 
„ 9 
nth 
„ 28 
A 17 (Young Cuckoo) ,, 
» 13 
13th 
July 5 
A 18 
„ 23 
1 8th 
Cuckoo B 
July 5 
B [ 
Meadow Pipit 
June 30 
2nd 
>> 5 
B- 
>> 
„ 28 
1st 
Now a detailed perusal of the above table will 
show that Cuckoo A laid an egg on every alternate 
day except for a gap between May 26 and 30. It 
will, of course, be objected here that these presumed 
laying dates are guesswork, which in many instances 
they admittedly are. But it is guesswork founded 
on very good data, such as previous knowledge of 
nest, contents, and state of incubation of the eggs 
when blown. Moreover, they are strongly sup- 
ported by the proved regular laying of Cuckoo A in 
her next season. 
In order to make the story for 1919 as complete 
as possible I give here particulars of three eggs from 
three other Cuckoos found on the confines of the 
common. They were not mentioned in the de- 
tailed record as these three birds were obviously 
