506 NORTH AMERICAN BIRDS. 



k l . Larger, with superciliary stripe ex- 

 tended beyond the eye, the pos- 

 terior portion lighter yellow or 

 even sometimes white; yellow 

 of chest ending rather abruptly; 

 wing - bands broader. Young : 

 Above uniform dull grayish 

 brown, without streaks either 

 on head or back; lower parts 

 entirely dull grayish, the breast 

 and sides streaked with dusky ; 

 no distinct markings about head. 

 Length 4.90-5.25, wing 2.40- 

 2.70, tail 2.10-2.30. Hob. South- 

 ern Arizona and New Mexico, 

 and south into Mexico. 



664. D. graciae COTJES. 

 Grace's Warbler. 



A 3 . Smaller, with superciliary stripe not 

 continued beyond posterior angle 

 of eye, and wholly rich yellow ; 

 yellow of chest extended over 

 breast, where fading gradually 

 into the white ; wing-bands nar- 

 rower; length about 4.00-4.50, 

 wing 2.20, tail 1.80-1.90. Hab. 

 Southern Mexico (Zapotitlan), 

 Honduras, and Guatemala. 



D. decora (BiDGW.). Decorated 

 Warbler. 1 



i*. Throat entirely black in adult males, mixed 

 black and yellow, or black and white, in 

 adult females and young males (rarely 

 white or yellow without any superficial 

 black in immature females). 3 

 /. Sides of head white and black, or white 

 and dull grayish. 



Adult male : Top and sides of head, 

 chin, and throat deep black; 

 broad stripe above ear-coverts, 



1 Dendroica yraciee, var. decora RIDQW., Am. Nat. vii. 1873, 60S. Dendroeca decora SALV. A GODM., Biol. 

 Centr.-Am., Aves, i. 1881, 136, pi. x., fig. 1. 



1 In such, the feathers of the throat are always dusky at base, and there is a conspicuous superciliary 

 stripe of yellow or white, in the latter case yellow anteriorly. 



