294 



SYLVIAD^. 



grey to brown produced by the autumn moult is rapid arid 

 general, affecting all alike. 



Females and young birds in autumn do not differ 

 much from adult males at the same season, except that 

 the markings about the head are less clearly defined, and 

 the colours are rather less pure. The birds are in this 

 state of plumage when caught in such numbers on the 

 south downs. 



The vignette represents the breastbones of the Robin 

 and the Wheatear. 



