198 THE BIEDS OF MONTREAL. 



long. Above, olive-green and ash-gray, wings 

 with two white bands, loral streak and orbital ring 

 yellow ; below, yellow, with posterior under parts 

 white. 



203. Blue-headed Vireo. 



Length about 5J inches, tail about 2J inches 

 long. Above, olive-green, head and neck plum- 

 beous-gray, cheeks and sides of neck grayish ; be- 

 low, throat white, sides and flanks tinged with 

 olive-green and yellow. Young : Above, grayish- 

 brown ; below, buffy-white. 



204. Black and White Warbler. 



Length about 5 inches, tail about 2 inches long. 

 Adult male : Above, black, striped with white ; be- 

 low, white, striped with black, throat with black 

 markings sometimes nearly uniform ; two outer 

 tail-feathers with white spots. Young male : Plum- 

 age like adult male, but without streaks^on throat. 

 Adult female : Colours duller, and tinged with 

 brownish below. 



205. Nashville Warbler. 



Length about 4J inches, tail about 2 inches long. 

 With or without chestnut crown-patch. Above, 

 yellowish olive-green ; below, gamboge-yellow. 

 Female : Whitish on belly and flanks. Young : 

 Greenish-olive above, wing-feathers tipped with 



