WOOD WARBLERS. 343 



J3. Under parts with rufous-brown streaks. 



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

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

 orchards, and second growths ; rarely seen in deep woods ; abun- 

 dant 652. YELLOW WARBLER. 



b. 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 

 under parts. (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 5 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. KEDSTART (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. 



b. 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 ; not common 676. LOUISIANA WATER THRUSH. 



636. Mniotilta varia (Linn.}. BLACK AND WHITE WARBLER; BLACK 

 AND WHITE CREEPER. (Fig. 93.) Ad. $ . No yellow anywhere ; upper parts 

 streaked with black and white; ear-coverts black; inner webs of outer tail- 

 feathers with white patches; wing-coverts black, tipped with white; throat 

 and upper breast black or black and white ; sides streaked with black and 

 white; middle of the belly white. Ad. 9 .Similar, but the under parts 

 with fewer black streaks ; sides washed with brownish. Im. $ . Similar to 



