of the United States. 83 



Female, less spotted, and without the crescent. 



Prairie Warbler, Sylvia minuta, Wils. Am. Orn. Hi. p. 87. 



pi. 25- Jig. 4. 



Inhabits the southern parts of the United States, particu- 

 larly the borders of Kentucky : rare : winters in the West 

 Indies. 



122. Sylvia estiva, Lath. Greenish-yellow; forehead and 

 beneath, yellow ; breast and sides streaked with dark red ; 

 lateral tail feathers interiorly yellow. 



Young greenish above ; throat white. 



Blue-eyed Yellow Warbler, Sylvia citrinella, Wils. Am. 

 Orn. ii. p. ill. pi. 15. Jig. 6. 



Inhabits North America as high as the Arctic circle during 

 summer : very common. 



123. Sylvia petechia, Lath. Yellow-olive, streaked with 

 dusky ; beneath and line over the eye yellow ; breast streaked 

 with dull red ; crown reddish ; wings and tail blackish, edged 

 with olive. 



Female, young, and adult male in winter, destitute of the 

 red cap. 



Yellow Red-poll Warbler, Sylvia petechia, Wils. Am. Orn. 

 iv. p. 19. pi. 28. Jig. 4. adult male in spring. 



Inhabits the United States during summer : resident in the 

 most southern states : rare. Specifically distinct from the 

 preceding ? 



124. Sylvia Americana, Lath. Bluish ; inter-scapulars yel- 

 low-olive ; throat yellow ; beily white ; wings bifasciate 

 with white ; lateral tail feathers marked interiorly with white. 



Male, front yellow, with a black crescent; breast tinged 

 with orange. 



Female, no crescent nor orange on the breast. 



Young brownish-gray ; beneath dirty whitish. 



Blue Yellow-back Warbler, Sylvia pusilla, Wils. Am. Orn. 

 iv. p. n. pi. 28- Jig. 3. 



Inhabits the United States during summer : common. 



