252 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Crown, rump, and underparts, rose red ; more or less white on wing ; man- 

 dibles, crossed. 



White-winged Crossbill. 



Loxia leucoptera (male). 

 See No. 393. 



Crown, rump, and greater part of under plu- 

 mage, dull red; no white on the wing; 

 mandibles, crossed. 



American Crossbill. 



Loxia curvirostra minor (male). 

 See No. 392. 



Wings, with more or less white; general plumage, grayish olive, or olive 

 green, more or less strongly tinged with yellowish green on rump ; mandi- 

 bles, crossed. 



White-winged Crossbill. 



Loxia leucoptera (femalf). 

 See No. 392. 



Underparts, tinged with green, or olive green ; yellowish green on rump ; no 

 white on wings: mandibles, crossed. 



American Crossbill. 



Loxia curvirostra minor (female,). 

 See No. 392. 



