572 Field Museum of Natural History — -Zoology, Vol. IX. 



American Crossbill 



out of the nest near Woodruff, Vilas Co., Wisconsin, during the last 

 week in June, 1908. 



The nest is built in coniferous trees and is composed of grass, 

 rootlets, or small twigs and moss. The eggs are 3 to 4, pale green or 

 greenish white, marked and dotted chiefly at the larger end with 

 brown and lilac gray, and measure about .76 x .58 inches. 



This species is well represented in the collection of the Field Muse- 

 um of Natural History by a series of specimens taken in northern 

 Illinois in winter and spring, some of them as late as June i . 



Loxia curvirostra bendirei Ridgway is no longer considered sepa- 

 rable from this species. 



239. Loxia leucoptera Gmel. 

 White-winged Crossbill. 



Distr. : Northern North America, breeding from northern New 

 England and northern Michigan (Mackinac Island) northward; south 

 in winter to middle United States (Ohio, Illinois, Missouri, Kansas, 

 etc.). 



Adult male: Mandibles, crossed; general plumage, crimson red, 

 or deep rosy red; inner secondaries and greater and middle wing 

 coverts, tipped with white, forming a noticeable white wing patch, 

 rest of wing, black; middle of belly, brownish gray, streaked with 

 dusky; tail, blackish. 



Adult female : Mandibles, crossed; upper plumage, grayish olive, 

 streaked with dusky; rump, tawny yellow; under parts, grayish. 



