GREY WAGTAIL. 173 



!>y degrees yellow,, and then paler; the grey of the back is, 

 for some time, tinged with green. The quill feathers of the 

 wings are dusky black, and are crossed by a grey bar formed 

 by the coverts; upper tail coverts, greenish yellow; under tail 

 coverts, pale yellow; legs and toes, yellowish brown; claws, 

 light brown. 

 After the first autumnal moult the adult plumage is assumed. 



