WOOD WARBLERS. 337 



d. Throat pale yellow, indistinctly spotted or streaked ; belly 

 ■whitish ; cheeks bright yellow ; outer web of outer tail-feather 

 ■white a* the base. 



667. Black-throated Green Warbler (Iin.). 



e. Throat and breast yellow, distinctly spotted ; median wing-coverts 

 •white 650. Cape Mat "Warbler ( 9 and im.). 



B. Back black or streaked ■with black, or center of crown orange. 



a. Under parts pale yellow ; black spots confined to sides ; no white 

 wing-bars 670. Kirtland's Warbler. 



b. Under parts pale yellow, indistinctly streaked with blackish; 

 two white or whitish wing-bars. 



661. Black-poll Warbler (Im.). 



c. Throat orange or yellow, without streaks; ear-coverts gray or 

 black ; center of crown yellowish or orange. 



662. Blaokburnian Warbler. 



d. Under parts streaked with black ; ear-coverts rufous ; cap black. 



650. Cape Mat Warbler. 



e. Head bluish gray or ashy ; rump bright yollo^w; eye-ring white ; 

 white tail-spots not reaching to ends of feathers. 



657. Magnolia Warbler. 



C. Back ashy gray. 



a. Throat yellow ; belly white ; wing-bars and tail-spots white, 

 a'. A yellow line from the bill to the eye. 



663. Yellow-throated Warbler. 

 a». A white line from the bill to and over the eye. 



663a. Sycamore Warbler. 



h. Entire under parts yellow ; breast with a necklace of black spots ; 



no wing-bars or tail-spots 686. Canadian Warbler. 



D. Center of back brick-red ; under parts yellow ; sides streaked with 

 black 673. Prairje Warbler. 



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

 upper parts blue ; center of back greenish yellow. 



648. Parula Warbler. 



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



640. Bachman's Warbler. 



Second Group. 



I. Throat and upper breast one color, black, ^ay, ashy, 

 or broTTn, very different £rom the ■white or yello^w 

 belly. 



A. Belly white or ■whitish. 

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

 ■wing-bars yellow ...... 642. Golden- winoed Warbler. 



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



white 667. Blaok-throated Green Warbler. 



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

 654, Blaok-thboated Blue Warbler i , 

 23 



