40 Birds of Canada, 



ash, a narrow frontlet and space around the eye, 

 black ; the feathers of the forward under parts 

 really black, but appearing gray from the ashy 

 tips of the feathers ; the rest of the upper parts, 

 dark olive-green, and of the lower, yellow. Breeds 

 in Canada. Nests, in a low bush ; eggs, five, 

 flesh-colored. 



Dendroica virens The Black Throated Green 

 Warbler. 



The Black-throated Green Warbler is five 

 inches long, the wings .over two and a-half inches; 

 the crown and back, olive ; the forehead, super- 

 ciliary and maxillary stripes, yellow. Breeds in 

 Canada. Nests, in a bush near the ground ; eggs, 

 five, bluish white. 



D. palmarnm. The Yellow Red-poll Warbler. 



This bird is five inches long, the wing nearly 

 two and a-half inches, the crown, sides of the 

 head, and inferior streaks, yellow ; a white spot on 

 the end of the tail, superciliary streak and under 

 parts, yellow. Breeds in the interior of Canada. 

 Visits Ontario in May and September. 



D. tigrina. Cape May Warbler. 



The Cape May Warbler is five and a-quarter 

 inches long, the wing nearly three inches, the 

 bill, acute and decurved ; the color, olive above, 



