N«sts in Tract, Buahu, or VinM 



679. Mourning Warbler : Geothlypis Philadelphia (Wils.) 



Adult $ ■ — Upper parts rather dark olive green ; head, neck, and 

 throat gray, shading into black on the breast ; belly, lemon 

 yellow. 



Adu/t ? — Less brilliant ; entire upper parts greenish olive ; 

 under parts gray, lighter on the throat and shading into 

 yellow on the belly. Length — 5.63. 



Breeding Range — Northern New York and New England north- 

 ward, and in the mountainous regions of Pennsylvania. 



The nest is composed of strips of bark, leaves, and grass, 

 lined with fine grass and hair. It is placed in low bushes, ferns, 

 or weeds, either on or near the ground. The eggs, 4 in number, 

 are whitish, with dots and spots of chestnut or reddish brown, 

 chiefly at the larger end. Size — .71 x .54. 



Mr. Brewster speaks of these birds breeding in positive 

 abundance on Mount Graylock, in western Massachusetts, but 

 elsewhere in southern New England known only as a rare spring 

 and still rarer autumn migrant. 



681. Maryland Yellow-throat: Geothlypis trichas (Linn.) 



Eggs white with fine specks and spots of chocolate brown, 

 the spots not very numerous and mostly at the larger end. 



See Page 69, Chapter II. 



681b. Florida Yellow-throat: G. t. ignota Chapm. 



Eggs similar to those of the preceding species. 

 See Page 70, Chapter 11. 



683. Yellow-breasted Chat: Icteria virens (Linn.) 



Adult — Upper parts olive green ; white line from the bill to the 

 eye ; white ring round the eye ; throat, breast, and upper 

 part of belly bright yellow ; lower part of belly white, 

 shading into gray at the sides. Length — 7.44. Young birds 

 are brownish gray, lighter on the breast, the yellow showing 

 when they attain their full size. 



Breeding Range — The Eastern States, from southern New England 

 southward. 



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