240 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Mandibles, crossed ; no white on wings ; uuderparts, greenish. 



American Crossbill. 



Loxia curvirostra minor (female). 

 See No. 392. 



Mandibles, crossed; more or less red on uuderparts, head, and back; wing bars, 



white. 



White-winged Crossbill. 



Loxia leucoptera (male). 

 See No. 393. 



Mandibles, crossed; wing bars, white ; underparts, greenish. 



White-winged Crossbill. 



Loxia leucoptera (female). 

 See No. 393. 



Mandibles, not crossed; breast and crown, 

 rose red; back, brown, tinged with red; 

 chin, not black. 



Purple Finch. 



Carpodacus purpureus ^ 

 See No. 389. 



Mandibles, not crossed; chin, blackish ; breast, rose red; front crown, metallic 

 red; rump, streaked. 



Red-poll. 



Acanthis linaria, and races. 

 See No. 396. 



Mandibles, not crossed; chin, blackish; underpart, whitish, with faint tinge of 

 pink on breast; rump, white, without streaks, sometimes tinged with rose 

 color. 



Greenland Red-poll. 

 Acanthis hornemannii, ana races* 

 See No. 394. 



