SISKIN. 549 
the head are brownish at the end, hiding the black at the 
base. The plumage becomes much richer towards the 
season of incubation. The black parts become deeper, and 
the olive of a yellower green. 
The female is smaller than the male, measuring from 
four mches and a quarter to three-eighths in length; the 
head, back, and upper part of the wings greyish olive 
brown, streaked with dusky black; under parts greyish 
white, streaked with dusky black, and tinged with green- 
ish yellow on the throat and breast. 
Young males after their first moult have the black fea- 
thers on the head margined with brown, and the colours, 
though brighter than those of the female, are not so vivid 
as those of the adult male. 
The nest below is that of the Hawfingh. 
2 
