240 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
Mandibles, crossed; no white on wings; underparts, greenish. 
American Crossbill. 
Loxia curvirostra minor ( female). 
See No. 392. 
Mandibles, crossed; more or less red on underparts, head, and back; wing bars, 
white. 
White-winged Crossbill. 
Loxia leucoptera (male). 
See No. 398. 
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 (male) . 
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 hornemannti, ana races. 
See No. 394. 
