354 BLACK-THROATED BLUE WARBLER. 
and vent white; legs and feet dirty yellow; bill black, and be- 
set with bristles at the base. The female is more of a dusk}’ 
ash on the breast; and in some specimens nearly white. 
They no doubt pass this way on their return in autumn, for 
1 have myself shot several in that season; but as the woods are 
then still thick with leaves, they are much more difficult to be 
seen; and make a shorter stay than they do in spring. 
