WOOD WARBLERS. 337 



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

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

 white at the base. 



0G7. Black-throated Green Warbler (lin.). 



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

 white 650. Cape May Warbler ( ? and irn.). 



B. Back streaked or spotted 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. 



h. 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. Blaceburnian Warbler. 



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



650. Cape May Warbler. 

 €. Head bluish gray or ashy ; rump bright, yellow ; 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. 

 a2. 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. Prairie 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 foreliead yellow ; breast and crown-cap black. 



640. Bachman's Warbler. 



Second Group. 



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

 or bro-wn, very different from the "white or yellov^ 

 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. 



h. 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 6. 

 23 



