THIRD SEASON (1920): PRELIMINARY 39 
Pipits’ nests, each fosterer was usually left either 
with some of its own, or some other substituted 
eggs in exchange, until it had laid its full clutch. 
NIDIFICATION TIME-TABLE OF THE NINE PAIRS 
OF MEADOW PIPIT FOSTERERS IN 1920 
N.B. — The figure in parentheses after the Nest, e.g . “ First 
Nest (4),” gives the total number of eggs laid by the foster-birds 
in that nest. The site of each nest may be seen on the plan, 
p. 106. 
No. 1 Pair of Meadow Pipits 
First Nest (4). 
Sunday , May 2, 1920. — Found this nest containing four 
eggs and restarted it. Incubation not noted. 
Second Nest (5). 
Saturday , May 15, 1920. — Found on this date containing 
two Pipit’s eggs and the second egg laid by Cuckoo A (this 
was the first egg of this Cuckoo’s series to be found). 
Monday , May 17, 1920. — Restarted this nest after the 
fifth egg had been laid. 
Third Nest (5). 
Sunday , May 23, 1920, 3 p.m. — Found with one fresh 
egg. Later that afternoon Cuckoo A must have deposited 
her sixth egg which we discovered in this nest at 8 a.m. next 
day. 
Thursday , May 27, 8 a.m. — Restarted the nest after 
laying of fifth egg. 
Fourth Nest (5). 
Friday, June 4, 3 p.m. — The whereabouts of this nest was 
disclosed by the Cuckoo in the act of deposition at this hour, 
