WOOD WARBLERS 437 



6. Forehead not yellow. 



ft 1 . Breast white, crown plain bluish ashy, clearly defined from 

 the bright olive-green back . . 647. TENNESSEE WARBLER. 

 b 2 . Breast whitish, tinged with yellow and indistinctly streaked 

 with dusky ; crown dull ashy, not clearly defined from the back 

 and with a partly concealed patch of rufous-brown ; rare in the 

 Atlantic States north of South Carolina. 



646. ORANGE-CROWNED WARBLER. 

 II. Throat black, brown, or slate- color. 



1. Belly white. 



a. Back blue, a white spot near the outer edge of the wing; common. 



654. BLACK-THROATED BLUE WARBLER. 



b. Back green, cheeks yellow; song, a buzzlike zee repeated five or six 



times, the next to last note the highest; common. 



667. BLACK-THROATED GREEN WARBLER. 



c. Back grayish, forehead yellow, a black mark through the eye and 



a white line below it; a large patch of yellow on the wings; song, 

 zee-zee-zee-zee, all on the same note; not common. 



642. GOLDEN-WINGED WARBLER. 



d. Back black; sides of the breast, middle of the wing, and base of the 



tail-feathers reddish orange; movements active, tail frequently 

 spread, the reddish color showing conspicuously; abundant. 



687. REDSTART. 



e. Back streaked with black and white; song fine and wiry; movements 



like those of a Creeper; common. 



636. BLACK AND WHITE WARBLER. 



/. Back streaked with buffy and black; forehead and cheeks black; 

 crown-cap, throat, upper part of the breast, and sides chestnut; 

 rather rare 660. BAY-BREASTED WARBLER. 



2. Belly yellow. 



A. Throat slate-color; haunts near the ground. 



a. Breast showing traces of black, no white eye-ring; rare in most 



places 679. MOURNING WARBLER. 



b. Breast with no traces of black, a white eye-ring; call a sharp peck; 



very rare in the spring . . . 678. CONNECTICUT WARBLER. 



B. Throat black. 



a. forehead and crown yellow, wings with white bars, a black line 



through the eye; very rare. 



641x642. LAWRENCE'S WARBLER. 



b. Forehead and cheeks yellow, rest of the head and sides of the 



neck black; outer tail-feathers almost entirely white; haunts near 

 the ground, generally in wet woods; movements active, the white 

 tail-feathers showing conspicuously in flight; lower Hudson val- 

 ley southward ; common 684. HOODED WARBLER. 



c. Forehead yellow, a small black patch on the crown, white patches 



on the tail not reaching to the ends of the feathers; range, South 

 Carolina southward 640. BACHMAN'S WARBLER. 



IH. Throat yellow or orange, underparts with streaks. (In one 

 species a blackish brown band across the breast.) 



1. Belly white, with or without black streaks. 



a. Throat rich orange; back black, streaked with white; tolerably 



common 662. BLACKBURNIAN WARBLER. 



b. Throat bright yellow, back grayish; range, Virginia and southern 



Wisconsin southward; abundant. 



663. YELLOW-THROATED WARBLER. 

 663a. SYCAMORE WARBLER. 



c. Throat yellow, with a blackish band crossing the upperpart of the 



breast; abundant 648-648a. PARULA WARBLERS 



2. Belly yellow, with streaks or spots GT> the breast or sides. 



