WOOD WARBLERS. 339 



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



687. Kkdstakt ( 9 and im.). 

 b. Without white or yellow spots in the tail. 

 b^. A pale rufous streak bordered by black through the center of 



the crown (374. Oven-bird. 



&2. A white line oyer the eye, throat generally without spots, wing 



over 3-00, bill over -50. . . . 670. Louisiana Water-Thrush. 



^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. Under parts 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». Under parts pure white, back greenish yellow, cheeks gray, 

 wing under 2-50 .... 659. Chestnut-sided Warbler (Im.). 

 a^. Under parts tinged with buffy, back and cheeks olive-green, 

 with generally distinct black streaks, wing over 2-50. 



660. Bay-breasted Warbler (Im.). 

 a3. Under parts soiled whitish, back brownish or grayish green, eye- 

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



671. Pine Warbler ( 9 and im.). 

 a*. Under parts white, back streaked with pure black and white. 

 636. Black and White Warbler 9 . 



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



b^. Back and head bright greenish yellow, cheeks gray, under 

 parts pure white . . . . 659. Chestnut-sided Warbler (Im.). 

 b^. Back, head, and cheeks yellowish green, under parts yellowish, 

 inner margins of tail-feathers yellow. 



652. Yellow Warbler (Im.). 

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



641 + 642. Brewster's Warbler. 

 b*. Back and head brownish, wings and base of tail with a yellow 



band ^. 687. Kedstart ( 9 and im.). 



b^. Back bright green, head and cheeks grayish, a small black spot 



in front of the eye 647. Tennessee Warbler 6 . 



£. Tail without white or yellow spots or patches. 



a. Under tail-coverts yellow. 



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



681. Maryland Yellow-throat ( 9 and im.). 



681^. Florida Yellow-throat. 



a'. Back grayish olive-green, tail-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. Swainson's Warbler. 

 b^. Center of crown and line from the bill over the eye buffy, bor- 

 dered by black stripes .... 639. Worm-eating Warbler. 



