Birds of Canada. 41 



rump and under parts, yellow ; crown, blackish ; 

 sides of the head, chestnut. This pretty bird 

 breeds in northern Ontario. 



D. canadensis. The Black-Throated Blue 

 Warbler. 



This bird is five and a-half inches long, the 

 wing, two and a-half ; the crown, black ; back, 

 ash ; maxillary stripe, white. Breeds in Manitoba. 

 Visits Ontario in the spring and fall. 



D. coronata. The Yellow-rump Warbler. 



This Warbler is five and a-quarter inches 

 long, the wing three inches ; the color, slate blue 

 above ; throat, white ; head, blackish ; the sides 

 and rump, with a yellow patch. Breeds north 

 of Ontario. 



D. blackburnice. Blackburnian Warbler. 

 This is, without exception, the most beautiful 

 of all the warblers. Color : the back, black ; 

 throat, bright orange ; and a patch on the wing 

 and outer tail feathers, white. Breeds in the far 

 north. Remains for a few days in May and 

 October. 



D. castanca. The Bay-breasted Warbler. 

 This bird is five inches long; the head, chestnut ; 

 sides of the head, black ; and belly, white. Like 

 most of the family, this bird breeds in the north- 

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