608 BLLLKTIN 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, especiall}" at tips; maxilla black, mandible 

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

 color. 



Adult maU In winter. — Essentialh'^ like the summer male, but the 

 blue more or less obscured bv light brownish and butly margins to 

 the feathers, especially on l)ack and breast, the feathers of flanks and 

 abdomen luargined terminally with light bufl or whitish, and lateral 

 rectrices margined terminalh' with white. 



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

 with tawny, passing into a decidedly 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 bufl'y or clay color, deepest on chest, paler on throat 

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

 and bodj^ sometimes marked with light blue in more or less extensive 

 patches.) 



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

 ation deeper, more tawny. 



Young {se,res «//-(v).— Similar to the adult female in winter, but still 

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



Immature nude. — ^ Variously intermediate in coloration, according to 

 age, between the adult female and fully adult male. 



Adidt male.— IjQw^th. (skins), 152.4()-1S-1:.15 (162.81); wing, 82.04- 

 88.90 (86.36); tail, 63.50-67.82 (66.04); exposed culmen. 14.73-17.53 

 (16.26); depth of bill at base, 12.70-14.73 (13.72); tarsus, 19.81-20.83 

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



Adult female.— l^Qw^^th (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.O.5-20.57 

 (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 veiy locally, to Pennsylvania 

 (Carlisle, etc.). New flersey, 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. 



