608 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



(forming a broad band), the greater coverts margined terminally with 

 the same or a paler color (forming a much narrower band), and the. 

 tertials sometimes edged with cinnamon; under tail-coverts more or 

 less margined with white, especially at tips; maxilla black, mandible 

 grayish (pale grayish blue in life); iris brown; legs and feet dark horn 

 color. 



Adult male in winter. — Essentially like the summer male, but the 

 blue more or less obscured bj'' light brownish and buflfy margins to 

 the feathers, especially on back and breast, the feathers of flanks and 

 abdomen margined terminally with light buff or whitish, and lateral 

 rectrices margined terminally with white. 



Adult fen talc in summer. — Above olive-brownish, more or less tinged 

 with tawnj', passing into a decidedlj' more grayish hue (usually more 

 or less tinged with blue) on rump and upper tail-coverts; scapulars 

 and interscapulars more or less darker centrally or medially, forming 

 indistinct streaks; wings and tail dusky, the latter with dull grayish 

 blue, the former with light brownish edgings; middle wing-coverts 

 rather broadly tipped with light cinnamon-rufous or tawny and termi- 

 nal margins of greater coverts usually tinged with the same; under 

 parts brownish bufly or clay color, deepest on chest, paler on throat 

 and abdomen; bill brownish, the mandible paler. (Plumage of head 

 and body sometimes marked with light blue in more or less extensive 

 patches.) 



Adult femcde in winter. — Similar to the summer female, but color- 

 ation deeper, more tawny. 



Young {sexes alike). — Similar to the adult female in winter, but still 

 more tawny, the rump and upper tail-coverts tawny-olive. 



Iminature male. — Variously intermediate in coloration, according to 

 age, between the adult female and fully adult male. 



Adult OTaZe.— Length (skins), 152.40-184.15 (162.81); wing, 82.04- 

 88.90 (86.36); tail, 63.50-6T.82 (66.04); exposed culmen, 14.73-1Y.53 

 (16.26); depth of bill at base, 12.70-14.73 (13.72); tarsus, 19.81-20.85 

 (20.57); middle toe, 15.24-17.78 (16.51).^ 



Adult female.— Ije.ngt\x (skins), 142.24-157.48 (149.35); wing, 78.74- 

 83.82 (81.53); tail, 59.18-66.04 (62.48); exposed culmen, 15.24-16.51 

 (15.75); depth of bill at base, 12.19-13.97 (13.21); tarsus, 19.05-20.57 

 (20.32); middle toe, 15.24-16.51 (15.75).' 



More southern portions of eastern United States, chiefly near Atlan- 

 tic and Gulf coasts; north regularly, but very locally, to Pennsylvania 

 (Carlisle, etc.), New Jersey, Kentucky, and southern Illinois; accident- 

 ally to Maine (Calais), eastern Massachusetts, Province of Quebec 

 (Mille Vaches), etc. ; in winter south to Cuba and Yucatan. 



' Twelve specimens. '' Eleven specimens. 



