WOOD WARBLERS 435 



B. Back without streaks or spots. 



a. With white or yellow spots in the tail. 



a 1 . Wing-bars white, cheeks yellow, back greenish. 



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



a 2 . Wing-bars, cheeks, and back grayish, under tail-coverts white. 

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

 a 3 . Back brownish, under tail-coverts yellow. 



672. PALM WARBLER (Im.). 

 a 4 . Sides of breast, band in wings, and base of tail yellow. 



687. REDSTART (9 and im.). 



b. Without white or yellow spots in the tail. 



ft 1 . A pale rufous streak bordered by black through the center of 

 the crown 674. OVEN-BIRD. 



6 2 . A white line over the eye, throat generally without spots, wing 

 over 3 '00, bill over '50 . . . 676. LOUISIANA WATER-THRUSH. 



6 3 . A buffy line over the eye, throat with small black spots, wing 

 under 3*00, bill under *50 675. WATER-THRUSH. 



675a. GRINNELL'S WATER-THRUSH. 



III. Underparts white, whitish, or buffy, without streaks, spots, or 

 patches. 



A. Tail with white or yellow spots or patches 



a. Wing-bars white or grayish. 



a 1 . Underparts pure white, back greenish yellow, cheeks gray, wing 

 under 2'50 . . . 659. CHESTNUT-SIDED WARBLER (Im.). 

 a 2 . Underparts tinged with buffy, back and cheeks olive-green, with 

 generally distinct black streaks, wing over 2'50. 



660. BAY-BREASTED WARBLER (Im.). 



a 3 . Underparts soiled whitish, back brownish or grayish green, eye- 

 ring white, wing-bars grayish, wing over 2*50. 



671. PINE WARBLER (9 and im.). 



a 4 . Underparts white, back streaked with pure black and white. 

 636. BLACK AND WHITE WARBLER 9. 



b. Wing-bars yellowish, greenish, or absent. 



6 1 . Back and head bright greenish yellow, cheeks gray, underparts 



pure white . . . 659. CHESTNUT-SIDED WARBLER (Im.). 



6 2 . Back, head, and cheeks yellowish green, underparts yellowish, inner 



margins of tail-feathers yellow . 652. YELLOW WARBLER (Im.). 



6 3 . Back gray or grayish, a black line through the eye. 



641 + 642. BREWSTER'S WARBLER. 



6 4 . Back and head brownish, wings and base of tail with a yellow 



band 687. REDSTART (9 and im.). 



6 5 . Back bright green, head and cheeks grayish, a small black spot 



in front of the eye 647. TENNESSEE WARBLER <?. 



B. Tail without white or yellow spots or patches. 



a. Under tail-coverts yellow. 



a 1 . Back olive-green, outer tail-feathers shortest, legs flesh-color. 



681. MARYLAND YELLOW-THROAT (9 and im.). 



6816. FLORIDA YELLOW-THROAT. 



a 2 . Back grayish olive-green, tail-feathers of equal length, legs 

 blackish 646. ORANGE-CROWNED WARBLER. 



b. Under tail-coverts white or whitish. 



b 1 . Head plain brown, a whitish line from the bill over the eye. 



638. SWAINSON'S WARBLER. 



6 2 . Center of crown and line from the bill over the eye buffy, bor- 



dered by black stripes . . . 639. WORM-EATING WARBLER. 



6 3 . Crown greenish, a small white spot at the base of the primaries 



almost concealed by wing-coverts. 



654. BLACK-THROATED BLUE WARBLER (9 and im.). 



6 4 . Crown grayish, bend of the wing yellow. 



640. BACHMAN'S WARBLER 9. 

 30 



