338 WOOD WARBLERS. 



d. Back streaked with gray and black ; cap, throat, and sides chestnut 



660. BAY-BREASTED WARBLER 3 . 



. Back streaked with black and white, a white line through the cen- 

 ter of the crown 636. BLACK AND WHITE WARBLER $ . 



f. Back black ; sides, center of wings, and base of tail salmon-red. 



687. REDSTART $. 

 B. Belly yellow. 



a. Throat block. 



a 1 . Cheeks bright yellow, black crown-cap connected with black 

 throat by a black line, end half of inner web of outer tail-feathers 

 white 684. HOODED WARBLER. 



a*. Cheeks dull greenish yellow, black crown-cap not connected 

 with black throat, white tail-spots not reaching to the ends of 

 feathers 640. BACHMAN'S WARBLER. 



a'. A black streak through the eye, wing-bars white. 



641 + 642. LAWRENCE'S WARBLER. 



b. Throat bluish gray, ashy, or brownish. 



b 1 . A white eye-ring 678. CONNECTICUT WARBLER. 



b*. No white eye-ring 679. MOURNING WARBLER. 



II. Throat white or whitish, with or without streaks or 

 spots ; rest of the under parts spotted or streaked 

 with black, bluish, chestnut, or yellow. 



A. Back streaked with black. 



a. With chestnut streaks on the sides, under tail-coverts white. 



a 1 . Wing over 2-50, head with chestnut or black streaks or spots, 



wing-bars white 660. BAY-BREASTED WARBLER 9 . 



a*. Wing under 2 - 50, head and wing-bars yellow or yellowish. 



659. CHESTNUT-SIDED WARBLER. 



b. With black or bluish streaks on the sides or entire under parts. 



b 1 . Cap solid black 661. BLACK-POLL WARBLER . 



i*. Crown, rump, and sides of the breast with a yellow patch or spot. 



655. MYRTLE WARBLER. 

 b*. Cap black, with a white streak through the center. 



636. BLACK AND WHITE WARBLER 9. 

 b*. Crown olive-green, with small black streaks. 



661. BLACK-POLL WARBLER 9 . 

 b*. Crown blue, a bluish-black band across the breast. 



658. CERULEAN WARBLER 6 . 

 fc. Crown brownish, under tail-coverts yellow. 



672. PALM WARBLER (Im.). 



B. Back without streaks or spots. 



a. With white or yellow spots in the tail, 

 a*. Wing-bars white, cheeks yellow, back greenish. 



667. BLACK-THROATED GREEN WARBLER (Im.). 

 a*. Wing-bars, cheeks, and back grayish, under tail-coverts white. 

 650. CAPE MAY WARBLER ( 9 and im.). 

 a. Back brownish, under tail-coverts yellow. 



672. PALM WARBLER (Im.). 



