146 
GREY-HEADED YELLOW WAGTAIL. 
coverts bordered with olive green. Wings and tail as 
ill the Yellow Wagtail; beak, iris, and feet, brown. 
In the female the olive green of the upper parts has 
a tinge of russet on the head and back. 
In the young the upper parts, according to Degland, 
are ashy green, with the head olive-coloured, yellow 
below, with the throat white, and a yellow superciliary 
edge. 
It is figured by Bonaparte in ‘‘Fauna Italica,” pi. 
31, f. 2, and by Dubois, “Oiseaux de la Belgique,” 
part 77, pi. 93, male and female. 
