WOOD WARBLERS 433 



II. With black or brown streaks on the breast or sides, or (in one 

 species) a blackish brown band across the throat, or (in one 

 species) a black patch on the breast. 



I. Underparts streaked or spotted. 



1. Underparts streaked with rufous-brown. 



A. Crown chestnut. 



a. Entire underparts rich yellow 672a. YELLOW PALM WARBLER. 



b. Throat and breast bright yellow; belly yellowish white. 



672. PALM WARBLER. 



B. No chestnut crown-cap. 



a. Underparts yellowish white aye-ring yellowish. 



672. PALM WARBLER (Im.). 



b. Underparts yellow, washed with brownish; eye-ring yellowish. 



672a. YELLOW PALM WARBLER (Im.). 



c. Underparts bright yellow; forehead yellow; inner webs of tail- 



feathers yellow .... 652. YELLOW WARBLER (Ad.). 



2. Underparts streaked or spotted with black. 



a. Back unspotted, the same as the head, olive-green or olive-brown. 

 a 1 . Underparts pale sulphur-yellow, streaked with black; no wing- 

 bars; wing 3 '00 or over. 



675. WATER-THRUSH. 675a. GRINNELL'S WATER-THRUSH. 

 a 2 . Underparts bright yellow; no black streaks on the flanks; wing 



nearly 3'00 671. PINE WARBLER. 



a 3 . Underparts bright yellow; sides streaked with black; wing 



about 2'00 .... 673. PRAIRIE WARBLER (9 and im.). 



a 4 . Throat pale yellow, indistinctly spotted or streaked; belly 



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



white at the base. 



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

 a 5 . Throat and breast yellow, distinctly spotted; median wing- 

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

 6. Head not olive-green or olive-brown. 



ft 1 . Back black or streaked with black, or center of crown orange. 



b 2 . Underparts pale yellow; black spots confined to sides; no 



white wing-bars .... 670. KIRTLAND'S WARBLER. 



6 3 . Underparts pale yellow, indistinctly streaked with blackish; 



two white or whitish wing-bars. 



661. BLACK-POLL WARBLER (Im.). 



6 4 . Throat orange or yellow, without streaks; ear-coverts gray or 



black; center of crown yellowish or orange. 



662. BLACKBURNIAN WARBLER. 



b 5 . Underparts streaked with black; ear-coverts rufous ; cap black. 



650. CAPE MAY WARBLER. 



6 6 . Head bluish gray or ashy; rump bright yellow; eye-ring white; 

 white tail-spots not reaching to ends of feathers. 



657. MAGNOLIA WARBLER. 

 c 1 . Back not black. 

 c 2 . Back ashy gray. 



c 3 . Throat yellow; belly white; wing-bars and tail-spots white. 

 c 4 . A yellow line from the bill to the eye. 



663. YELLOW-THROATED WARBLER. 

 c 5 . A white line from the bill to and over the eye. 



663a. SYCAMORE WARBLER. 



d 3 . Entire underparts yellow; breast with a necklace of black 

 spots ; no wing-bars or tail-spots 



686. CANADIAN WARBLER. 



d 2 . Center of back brick-red; underparts yellow; sides streaked 

 with black 673. PRAIRIE WARBLER. 



