30 FIELD KEY. 



C. Breast yellow, with a conspicuous black crescent; 

 length 10.75 inches; haunts fields and meadows, largely 

 terrestrial; flight quail-like, outer tail-feathers white, 

 showing when on the wing; song, a loud, musical 

 whistle; a permanent resident. 



MEADOWLARK, page 102. 



2. Throat white. 



A. With yellow on the sides. 



a. Length 5.50 inches; rump yellow; breast streaked 

 or spotted with black; tail-feathers marked with 

 white; note, a characteristic tchip. 



MYRTLE WARBLER, page 162. 



b. Length 5.00 inches; no black on under parts or 

 white in the tail; yellow extending along the whole 

 sides; back olive-green, iris white; haunts thickets; 

 call, an emphatic " Who are you, eh? " 



WHITE-EYED VIREO, page 74. 



c. Length 5.25 inches; tail and wings banded with 

 yellow, showing conspicuously in flight; haunts 

 woodland; movements active, much in the air, tail 

 frequently spread REDSTART, page 70, 



B. No yellow on sides. 



a. Length 6.75 inches; a yellow line from the bill to 

 the eye; crown black, with a white stripe through 

 its center; haunts in and about thickets and bushy 

 woodlands; song, a high, clear, musical whistle; 

 call-note, chink. 



WHITE-THROATED SPARROW, page 167. 



b. Length 4.00 inches; a yellow, or yellow and orange 

 crown-patch, bordered by black; flits restlessly 

 about outer limbs of trees and bushes; note, a fine 

 ti-ti GOLDEN-CROWNED KINGLET, page 160. 



3. Throat neither yellow nor white. 



