148 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



in life); iris brownish red; legs and feet duskj' in dried skins, grayish 

 blue in life. 



Young {first plumage). — Pileum, hindneck, back, scapulars, rump, 

 upper tail-coverts, and lesser wing-coverts plain vinaceous-brown, 

 varying from pale broccoli brown to pale fawn color or deep ecru drab; 

 remiges and rectrices as in adults; greater wing-coverts edged and 

 narrowly tipped with pale olive-yellow; superciliary stripe and under 

 parts white, the under tail-coverts and flanks tinged with sulphur yel- 

 low; a distinct dusky loral streak and indistinct postocular streak; 

 sides of head below this line white or brownish white. 



AdMlt mafe.— Length (skins), 123-149 (137.3); wing, 77-85 (81); tail, 

 51-60 (55); exposed culmen, 11-14 (12.7); tarsus, 17-19 (18); middle 

 toe, 11-12.5 (11.5).« 



AdMUfemale.—hQngth. (skins), 118-142 (131.8); wing, 76-83 (78.1); 

 tail, 47-56 (52.5); exposed culmen, 12-13 (12.3); tarsus, 17-19 (18); 

 middle toe, 11.* 



Temperate North America in general, except arid districts; north 

 to Nova Scotia, Prince Edward Island, Keewatin (Norway House; 

 Oxford House), Saskatchewan (Cumberland House), and southern 

 Mackenzie (Fort Resolution; Fort Simpson); west to British Columbia 

 (both sides of Cascade Range), Washington, Colorado, Utah, etc.; 

 breeding south over whole of wooded region east of Rocky Mountains 

 as far south as Caloosahatchee River, southern Florida, and as far west 

 as Tom Green County, western Texas; wintering from southern Florida 

 to Bahamas (Watling Island; Great Inagua), Cuba?, Porto Rico?, and 

 through Mexico, Central America, and South America, as far as Brazil 

 (Para; Chapada, province of Matto Grosso), Bolivia, and eastern Peru. 

 Accidental in Greenland (one specimen, 1844) and in England. 



«Twenty-seven specimens. 



6 Eighteen specimens. 



Specimens from different geographic areas average, respectively, as follows: 



