344 KEY TO WAEBLEES 



KX. Under parts streaked with reddish brown. 

 11. Streaking inconspicuous ; top of head yellow or 

 orange ; back olive-yellow. Found in shrubbery 

 in parks and gardens. 



p. 307. YELLOW WARBLER. 



11'. Streaking conspicuous ; top of head chestnut, 

 back brown. Twitches tail. 



p. 316. RED-POLL WARBLER. 

 1'. Under parts not chiefly yellow. 

 12. Throat black. 



13. Upper parts black ; orange patches on breast, wings, 

 and tail. Common in northern woodland. Female 

 without black, and orange replaced by dull yellow. 



p. 309. REDSTART. 



13'. Upper parts olive-green ; cheeks yellow ; white 

 patches on tail. 



p. 311. BLACK-THROATED GREEN WARBLER. 

 12'. Throat not black. 



14. Throat and breast yellow or orange. 



15. Throat and breast yellow, interrupted by dark band 

 across breast ; upper parts bluish gray ; yellow 

 patch between shoulders. Female sometimes with- 

 out dark band on throat. 



p. 317. PARULA WARBLER. 



15'. Throat and breast orange, not interrupted by band ; 

 crown patch orange ; back black ; wings and tail 

 with large white blotches. 



p. 326. BLACKBURNIAN WARBLER. 

 14'. Throat and breast not yellow or orange. 



16. Under parts white, with chestnut on sides ; crown 

 yellow . . p. 318. CHESTNUT-SIDED WARBLER. 



16'. Under parts white, black, and yellow ; crown and 

 rump yellow. One of the first Warblers to come 

 north in spring, and last to go south in fall. 



p. 310. YELLOW-RUMPED WARBLER. 



