434 WOOD WARBLERS 



II. Underparts not streaked. 



A. Throat yellow; breast with a band of copper or blackish chestnut; 



upperparts blue; center of back greenish yellow. 



648. PARULA WARBLER. 



B. Throat and forehead yellow; breast and crown-cap black. 



640. BACHMAN'S WARBLER. 



SECOND GROUP 



I. Throat and upper breast one color, black, gray, ashy, or brown, 

 very different from the white or yellow belly. 



A. Belly white or whitish. 



a. Back gray or greenish gray, crown yellow, cheeks black or gray, 



wing-bars yellow 642. GOLDEN-WINGED WARBLER. 



b. Back and crown bright olive-green, cheeks yellow, wing-bars 



white 667. BLACK-THROATED GREEN WARBLER. 



c. Back and crown dark blue, a white spot at the base of the primaries. 



654. BLACK-THROATED BLUE WARBLER d*. 



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



660. BAY-BREASTED WARBLER cf. 



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



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

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



687. REDSTART <?. 



B. Belly yellow. 



a. Throat black. m 



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 2 . 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 3 . A black streak through the eye, wing-bars white. 



641 +642. LAWRENCE'S WARBLER. " 



b. Throat bluish gray, ashy, or brownish. 



6 1 . A white eye-ring 678. CONNECTICUT WARBLER. 



6 2 . No white eye-ring 679. MOURNING WARBLER. 



II. Throat white or whitish, with or without streaks or spots; rest of 

 the underparts 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 2 . Wing under 2'50, crown and wing-bars yellow or yellowish. 



659. CHESTNUT-SIDED WARBLER. 



b. With black or bluish streaks on the sides or entire underparts. 



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



6 2 . Crown, rump, and sides of the breast with a yellow patch or spot. 



655. MYRTLE WARBLER. 

 b 3 . Cap black, with a white streak through the center. 



636. BLACK AND WHITE WARBLER 9. 



6 4 . Crown olive-green, with small black streaks. 



661. BLACK-POLL WARBLER 9. 



6 5 . Crown blue, a bluish black band across the breast. 



658. CERULEAN WARBLER d\ 



6 6 . Crown brownish, urder tail-coverts yellow. 



672. PALM WARBLER (Im.), 



