SYLVICOLIDEH, WARBLERS.—GEN. 35. 97 
Blue-eyed Yellow Warbler. Golden Warbler. Summer Yellowbird. 
Golden-yellow; back olive-yellow, frequently with obsolete brownish 
streaks ; breast and sides streaked with orange-brown ; wings and tail dusky, 
yellow-edged ; bill dark horn blue; ¢ and young paler, less or not streaked 
below. North America, everywhere a familiar and abundant bird. Sylvia 
citrinella Wius., ii, 111, pl. 15, f. 5; 8. childreni Aup., Orn. Biog. i, 180, 
pl. 835; S. rathbonia Aup., ii, 53, pl. 89; 50, pl. 88; Nurr., i, 364, 370; 
Erie RE iE erst oe A Mears.) 3 Gk va a pe cael ow? oe seen CASBV AY 
Fic. 39. Black-throated Green Warbler. 
Black-throated Green Warbler. $, in spring: back and crown clear 
yellow-olive, forehead, superciliary line and whole sides of head rich yellow 
(in very high plumage, middle of back with dusky marks, and dusky or 
dark olive lines through eyes and auriculars, and even bordering the crown) ; 
chin, throat and breast jet black, prolonged behind as streaks on the sides ; 
other under parts white, usually yellow-tinged; wings and tail dusky, 
former with two white bars and much whitish edging, latter with outer 
, feathers nearly all white; bill and feet blackish; @ in the fall and 9 in 
; spring, similar, but the black restricted, interrupted or veiled with yellow ; 
young similar to the 9, but black still more restricted or wanting alto- 
gether, except a few streaks along sides. Small: about 5; wing 23. 
(Compare Blue Mountain warbler, beyond.) Eastern United States, abund- 
ant in forests; breeds in New England in pine woods. Wz4ts., ii, 127, pl. 
iF Pipi a saiNUTT: 61, 9:005 AUD., 11,42, pl..04.; BD. 260.3. . VIRENS- 
K Western Warbler. Somewhat similar to the last; crown and back not 
f continuously olive; back. olivaceous-ash, with blackish streaks; crown and 
sides of head clear yellow, former with the feathers black-tipped or dusky- 
clouded; no black stripe through eye; chin, throat and fore-breast pure 
black, ending behind with a sharp convex outline; sides faintly or not 
hs streaked with black; belly, wings and tail as in vérens. Rocky Mountains 
to the Pacific, U.S. The seasonal and sexual changes are not well made 
KEY TO N. A. BIRDS. 138 
