100 



SYLVICOLID^, WARBLERS. GEN. 35. 



v 



associating with troops of sparrows. Wils., ii, 138, pi. 17, f. 4; pi. 45, 

 f. 3 ; NuTT., i, 361 ; Aud., ii, 23, pi. 76 ; Bd., 272 ; Rev., 187. coronata. 



Audubon's Warbler. With a close general resemblance to the last, hnt 

 throat yellow, not white ; eyelids white, but no white superciliary line ; 

 cheeks not definitely black ; wing-bars generally fused into one lai'ge white 

 patch, and tail-blotches larger ; otherwise like coronata, of which it is the 

 western representative ; and with which its changes of plumage are entirely 

 correspondent. North America, from Eocky Mountains to Pacific ; very 

 abundant. Aud., ii, 26, pi. 77; Bd., 273; Coop., 88. . . audubonii. 



Blackburnian Warbler. Hemlock Warbler. $ in spring : back black, 

 more or less interrupted with yellowish ; crown black, with a central 

 orange spot ; a broad black stripe through eye, enclosing the orange 

 under eyelid; rest of head, with whole throat, most brilliant orange, or 

 flame color; other under parts whitish, more or less tinged with yellow, and 

 sides streaked with black ; wing-bars fused into a lai'ge white patch ; tail- 

 blotches occupying nearly all the outer feathers ; bill and feet dark. 9 and 

 young ^ : upper parts and crown olive and black, streaked (much like 

 adult 9 and young striata, but is smaller, with more black, and usually a 

 yellow trace on the crown) ; suiDcrciliary line aud throat clear yellow (pale 

 for this species, but as rich as is usual for adults of the various yellow- 

 throated species), fading insensibly on the breast; lower eyelid yellow, con- 

 fined in the dusky ear-patch ; sides streaked much as in the adult ; wing- 

 patch resolved into two bars ; tail-blotches nearly as extensive as in the 

 adult, the outer feathers showing white on the outer webs at base (this is a 

 strong feature'). Eastern United States, abundant in woodland; the loveli- 

 est of the warblers ; none can compare with the exquisite hue of the throat. 

 8. parus, Wils., v, 114, pi. 44, f. 3 ; Nutt., i, 392 ; Aud., ii, 40, pi. 83 

 (young). Wils., iii, 64, pi. 23, f. 3 ; Nutt., i, 379 ; Aud., ii, 48, pi. 87 ; 



Bd., 274 BLACKBURNIJE. 



Black-poll Warbler. (Plate ii, figs. 15, 16, 15a, 16«.) <? in spring: ■ 

 upper parts thickly streaked with black and oliva- 

 ceous-ash ; ivhole crou'n pure black; head below 

 the level of the eyes, and whole under parts, white, 

 the sides thickly marked with black streaks crowd- 

 ing forward on the sides of the neck to form two 

 stripes that converge to meet at base of the bill, 

 cutting off the white of the cheeks from that of 

 the throat ; wing-bars and tail-blotches ordinary ; 

 inner secondaries white-edged; primaries usually edged externally with 

 olive ; feet and under mandible flesh color, or pale yellowish ; upper mandi- 

 ble black. 9 in spring : upper parts, including the crown, greenish-olive, 

 both thickly and rather sharply black-streaked ; white of under parts soiled 

 anteriorly with very pale olivaceous-yellow, the streaks smaller and not so 

 crowded as in the $ , but still plain enough. Young : closely resembling the 

 adult 9 , but a brighter and UKn-e greenish olive above, with fewer streaks, 



Fio. 42. Black-poll Warbler. 



