DESCRIPTION. 203 



-sides of head, blackish, and of neck buff; below, 

 chestnut and light-buff. Adult female : Above, 

 olive, streaked with black ; below, buffy, tinged 

 with rusty. Young male in autumn : Above, olive- 

 green and grayish, streaked with black ; below, 

 pale-buffy, tinged with olive, and rusty. Young 

 female: Similar to male, but streaks and rusty 

 tinge indistinct, if any such markings. 



216. Black-poll Warbler. 



Length about 5J inches, tail about 2| inches 

 long. Adult male : Top of head glossy-black ; back 

 with black and grayish-white streaks ; sides of 

 head white ; below, white, streaked with black. 

 Adult female : Above, olive-grayish, streaked with 

 black ; below, whitish, streaked with dusky. Young 

 in autumn : Above, olive green, streaked with 

 black ; below, olive-yellowish, under tail-coverts 

 white. 



217. Blackburnian Warbler. 



Length about 5J inches, tail about 2 inches long. 

 Adult male : Above, black, with a central spot of 

 yellow on crown, back streaked with grayish and 

 whitish, tail-feathers and wings with large white 

 markings ; below, cadmium-orange, darker on 

 throat and chest ; rest of lower parts yellowish- 

 white ; sides streaked with black. Adult female : 

 Similar to male, but grayish-brown, streaked with 



