ORDER PASSERES. 459 



Blue-gray Flycatcher, Mot. Carulea, Lin. Muscicapa 



Cceridea, Wils. A. O. ii. t. 18. f. 5. 

 Bluish-gray, beneath bluish-white ; tail longer than 

 the body, rounded black ; outer tail-feathers nearly all 

 white ; two next white tipt. North America. Young 

 Mot. Cana, Gml. 



Small-headed Flycatcher, Muscicapa Minuta, Wils. 

 A. O. vi. t. .50. f. 5. 



Dull yellow-olive, beneath pale yellow; wings and tail 

 dusky brown ; wing-coverts white tipt ; two lateral tail- 

 feathers with white spot on the inner web. North 

 America. 



Maryland Yellow-throaty Sylv. Trichas, Lath. S. 

 Marylandica, Wils. A. O. t. 8. f. L c? ii. t. 10. f. 2. $ . 



Green-olive, beneath yellow ; front and wide patch 

 through the eye black; bounded above by a bluish- 

 white ; female, dull olive : beneath dull yellow. The 

 genus Trichas of Swainson. 



Mourning Warbler, Sylvia Philadelphia, Wils. A. O. 

 ii. t. 14. f. 6. 



Deep greenish-olive, head slate ; breast with a crescent 

 of alternate white and black lines ; belly yellow. North 

 America. " Var. of S. Trichas " ? Pr. Musig. 



Blue-yellow-backed fVarbler, Parus Americanus, Lin. 

 PI. Enl. t. 731. f. 1. Sylvia Pusilla, Wils. A. O. iv. 

 t. 28. f. 1. 



Bluish ; interscapulars yellow-olive ; throat yellow ; 

 belly white ; wings with two white bands ; side tail- 

 feathers, inner side marked with white ; male, forehead 

 yellow with a black crescent ; breast tinged with orange ; 



