450 CLASS AVES. 



Black-throated Warbler. M. Virens, Gml. Wils. A. O. 

 ii. t. 17. f. 3. 



Yellowish-green ; front, cheeks, sides of the neck, and 

 line over the eye yellow ; beneath white ; throat black ; 

 wings with two Avhite bands ; tail dusky ; three outer 

 feathers marked with white. North America. 



Chestnut-sided Warhler. M. later ocephala, and M. 

 Pensylvanica, Lin. Wils. A. O. i. t. 14. f. 5. 



Crown yellow ; beneath white ; sides from the bill 

 chestnut ; wings with two yellow bands ; three outer 

 tail-feathers marked with white. North America. PI. 

 Enl. 731. f. 2. is young. M. Coronata, Lin. 



Bay-breasted TVarbler. S. Castanea, Wils. A. O. ii. 

 t. 14. f. 4. 



Forehead and cheeks black ; crown, throat, and sides 

 under the wings chestnut ; wings with two white 1)aiids ; 

 three lateral tail-feathers marked witli white. North 

 America. Is S. Ruficapilla, Lath., a var. of plumage ? 

 See Gal. 1. 164. 



Blaclc-poll Warbler. M. Striata, Gml. Wils. A. O. iv. 

 t. 30. f. 3. c?. vi. t. 54. f. 4. ? . 



Crown black; cheeks and beneath white; wing with 

 two white bands ; tail blackish ; three outer tail- 

 feathers marked inside with white ; female and young 

 dull yellow-olive, streaked with black and slate, beneath 

 white ; cheeks and sides of chest yellowish. North 

 America. 



Hemlock Warbler. S.Parus, Wils. A. O. v. t. 44. f.3. 

 Black, with a few yellow-olive streaks ; head above 



