438 WOOD WARBLERS 



A. With black streaks or spots on the underparts. 



a. Back grayish, unstreaked; a necklace of black spots on the breast; 



no streaks on the sides nor white on the wings or tail; common! 



686. CANADIAN WARBLER. 



b. Back black, crown grayish, a black stripe through the eye; breast 



and sides streaked with black; end of tail black, a white band 

 across its middle; common . . . 657. MAGNOLIA WARBLER. 



c. Back streaked with white, center of the crown and line over the 



eye orange 662. BLACKBURNIAN WARBLER. 



d. Back greenish, streaked with black; crown black, a rufous ear- 



patch, a white patch on the wings, rump yellow; rather rare. 



650. CAPE MAY WARBLER. 



e. Back greenish, with a patch of rufous-brown; haunts second 



growths and old bush-grown pastures; common in some places. 



673. PRAIRIE WARBLER. 



/. Back grayish, streaked with black; crown bluish; no conspicuous 

 white marking on the wings; very rare. 



670. KIRTLAND'S WARBLER. 



B. Underparts with rufous-brown streaks. 



a. Crown yellow, back greenish, inner border of tail-feathers yellow; 

 general appearance that of a yellow bird; haunts lawns, orchards, 

 and second growths; rarely seen in deep woods; abundant. 



652. YELLOW WARBLER. 



6. Crown chestnut, back brownish, outer tail-feathers tipped with 

 white; haunts near the ground, frequently seen along roadsides 

 and in old fields; movements leisurely, constantly wags its tail; 

 common. 672. PALM WARBLER. 672a. YELLOW PALM WARBLER. 



IV. Throat white or whitish, with streaks or spots on the underparts. 

 (In two species a yellow patch on the sides of the breast.) 



1. A patch of yellow on the sides of the breast. 



a. Back grayish, streaked with black; rump and a partly concealed 



crown-patch yellow; note, a loud tchip, generally uttered during 

 flight; abundant 655. MYRTLE WARBLER. 



b. Back brown, breast more or less spotted with black; a yellow band 



across the middle of wings and tail; movements active, tail fre- 

 quently spread, the yellow band showing conspicuously; abundant. 



687. REDSTART (Im.). 



2. No yellow patch on the sides of the breast. 



A. With wing-bars; back streaked with black; haunts in trees, 

 a. Back bright blue; very rare near the Atlantic coast. 



658. CERULEAN WARBLER. 

 6. Back grayish, crown black; movements slow; abundant. 



661. BLACK-POLL WARBLER. 



c. Back greenish yellow, crown bright yellow, sides chestnut; com- 

 mon 659. CHESTNUT-SIDED WARBLER. 



B. Without wing-bars; back not streaked; haunts on or near the 



ground; walkers, not hoppers. 



a. Crown pale rufous, bordered by black streaks ; song, a loud teacher, 



repeated eight or nine times and increasing in volume; common. 



674. OVENBIRD. 



b. Crown like the back, breast with a tinge of sulphur-yellow, an 



inconspicuous buffy line over the eye; bill less than *50 in length; 

 common 675. WATER-THRUSH. 



c. Crown like the back, breast and particularly flanks tinged with 



buffy, a conspicuous white line over the eye; bill nearly '75 in 

 length; a far shyer bird than the preceding; song loud and ring- 

 ing 676. LOUISIANA WATER-THRUSH. 



636. Mniotilta varia (Linn.). BLACK AND WHITE WARBLER. (Fig. 

 114.) Ad. o". No yellow anywhere; upperparts streaked with black and 



