510 NORTH AMERICAN BIRDS. 



nearly the whole throat 

 and chest yellow or 

 yellowish white). Young 

 in first autumn : Similar 

 to adult female, but 

 more tinged with yel- 

 low below, and with 

 black on throat and 

 chest usually almost 

 wholly concealed. 

 Length 4.35-5.40, wing 

 2.40-2.55, tail 1.90-2.05. 

 West in trees, usually 

 at considerable height. 

 Eggs .67 X -49, white, 

 or creamy white, spot- 

 ted with reddish brown 

 and lilac -gray, mixed 

 with a few darker 

 specks. Sab. Eastern 

 North America, breed- 

 ing from northern Uni- 

 ted States northward; 

 casual in Greenland ; in 

 winter, south through 

 eastern Mexico and 

 Central America to 

 Panama ; also to Cuba, 

 Jamaica, and Dominica. 

 667. D. virens (Gmel.). 

 Black-throated Green 

 Warbler. 

 I 1 . Breast bright yellow, like sides 

 of head; ear-coverts entirely 

 black or deep olive, very 

 strongly contrasted with 

 yellow of adjacent parts. 

 Adult male : Whole top of 

 head, broad stripe on 

 side of head, and patch 

 covering chin, throat, 

 and upper part of chest, 

 uniform deep black; 

 broad superciliary 

 stripe, broader malar 



