192 ADDENDA 
of stones, in a quarry, or on some low old 
wall, and sometimes in a disused rabbit 
burrow. The nest is open and cup-shaped, 
and made of grass and wool, and lined with 
hair, fur, and feathers. Eggs: five or six, 
light blue, occasionally white, without spots. 
There are two varieties of wheatear, the one 
described, and the greater wheatear, which 
arrives in April. 
The Blackcap (length 54 inches) is a widely- 
distributed summer visitor. It is often seen 
near the Metropolis, but does not, I think, 
nest except well out in the country. The 
head of the males on the top is jet black 
(blackcap) chocolate in the female. Upper 
part, wings and tail, grey, tinged blue; 
throat and breast grey, under parts white. 
Female somewhat larger than the male. It 
is one of the warblers and has a most beautiful 
song (the throat being much distended whilst 
singing), rivalling, and in the opinion of 
some excelling that of the nightingale. Un- 
fortunately (unlike the sedge and _ reed- 
warblers), it stops singing immediately you 
