30 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 wing 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. palmarum—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, 
