WOOD WARBLERS 435 
B. Back without streaks or spots. 
a. With white or yellow spots in the tail. 
a, Wing-bars white, aoucels yellow, back greenish. 
667. BLACK-THROATED GREEN WARBLER (Im.). 
a?, Wing-bars, cheeks, and back grayish, under tail-coverts white. 
650. Cap—E May WarsBLER (9 and im.). 
a, Back brownish, under tail-coverts yellow. 
672. Patm WarBLER (Im.). 
a‘, Sides of breast, band in wings, and base of tail yellow. 
687. RepstartT (¢ and im.). 
b. Without white or yellow spots in the tail. 
bt. A pale rufous streak bordered by black through the center of 
the crown . 674. OVEN-BIRD. 
b2. A white line over the eye, ‘throat generally without spots, wing 
over 3°00, bill over °50 . . 676. Louistana WaTER-THRUSH. 
63. A buffy line over the ve throat with a lar spots, wing 
under 3°00, bill under °5 . WATER-THRUSH. 
‘675a. (ae S WatTER-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. 
al, Underpants pure white, back greenish yellow, cheeks gray, wing 
under 2°50 . 659. CHESTNUT-SIDED WARBLER (Im.). 
a?, Underparts tinged with buffy, back and cheeks olive-green, with 
generally distinct black streaks, wing over 2°50. 
0. BAY-BREASTED -WaRBLER (Im.). 
a’, Underparts soiled whitish, back brownish or grayish green, eye- 
ring white, wing-bars grayish, anne over 2°50. 
Pint WARBLER (9 and im.). 
a4, Underparts white, back streaked with pure black and white. 
Buiack AND WHITE WARBLER 9. 
b. Wing-bars yellowish, greenish, . ore 
b'. Back and head bright greenish yellow, cheeks gray, underparts 
pure white -. . 659. CHESTNUT-sIDED WaRBLER (Im.). 
b2. Back, head, and cheeks yellowish green, underparts yellowish, inner 
margins of tail-feathers yellow . 652. Yetuow WaRBLER (Im.). 
b3. Back gray or grayish, a black line through the eye. 
641 + 642. Brewstor’s WARBLER. 
b4. one and head brownish, wings and base of tail with a yellow 
. 687. Repstart (9 and im.). 
oS, Back bright green, “head and as 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. 
al, Back olive-green, outer tail-feathers shortest, legs flesh‘color. 
681. MaryLaNp YELLOW-THROAT (9 and im.). 
681b. FLroripA YELLOW-THROAT. 
a?, Back grayish olive-green, bev? feathers of equal length, legs 
blackish. . 646. ORANGE-CROWNED WARBLER. 
b. Under tail-coverts white or whitish. 
b!. Head plain brown, a whitish line from the bill over the eye. 
638. Swarnson’s WARBLER, 
b2, Center of crown and line from bart ill over the eye buffy, bor- 
dered by black stripes . . Worm-EATING WARBLER, 
63, Crown greenish, a small white Paes the base of the primaries 
almost concealed by wing-coverts. 
654. Buack-THROATED BLUE WARBLER (9 and im.). 
64, Crown grayish, bend of the wing yellow. 
é 640. BacHMAN’s WARBLER 39. 
3 
