202 THE BIRDS OF MONTREAL. 



with a white patch ; lower parts gamboge-yellow, 

 striped with black. Adult female : Similar to male, 

 but colours duller, back olive-green, wings with 

 two white bands ; narrower streaks on lower parts. 

 Autumnal plumage : Above, olive, grayish on head 

 and greenish on back ; below, pale-grayish on 

 throat, and chest without streaks. Young : Above, 

 dull-brownish, wings with two yellowish-white 

 bands; below, brownish and pale sulphur-yellow, 

 streaked with dusky. 



214, Chestnut-sided Warbler. 



Length about 5 inches, tail about 2 inches long. 

 Adult male: Top of head yellow, bordered with 

 black ; back olive-yellowish, striped with black and 

 light olive-grayish ; lores and patch on cheeks 

 black ; ear-coverts, sides of neck and lower parts 

 white ; a stripe of rich chestnut along sides. Adult 

 female : Similar to male, but colours duller, upper 

 parts more olive-green, and chestnut on sides more 

 restricted. Young in autumn : Above, bright olive- 

 green, wing-bands tipped with sulphur-yellow, 

 orbital ring white, sides of head to flanks plain 

 ash-gray, and median lower parts white. 



215. Bay-breasted Warbler. 



Length about 5J inches, tail about 2J inches 

 long. Adult male: Top of head chestnut, bordered 

 with black ; back streaked with black and grayish ; 



