298 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



from cere 20.5-24.9 (22.1); tarsus 63.1-72.6 (68.2); middle toe mthout 

 claw 36.7-44.4 (39.5 mm.)." 



Adult female.— Wing 375-427 (404.6); tail 193.6-234 (214.6); 

 culmen from cere 20.5-25.7 (23.7); tarsus 61.5-76.4 (70.6); middle 

 toe without claw 38.3-46.5 (42.1 mm.).^^ 



Range. — Breeds from Alaska (Fort Yukon, Alount Sischu, and to 

 lat., 66°43' N. on the Alaska-Yukon border) , northwestern Mackenzie 

 (Fort Anderson) , Saskatchevv an, and Manitoba (Oak Lake, Winnipeg, 

 Carberry) east to Manitoba, western and central Minnesota, and 

 Iowa (Gruinell, Laporte City, Sigourney); uncommonly to Illinois 

 (Philo, Fox Prairie); rarely to Missom-i (Pierce City), Oklahoma, 

 Texas (Henrietta, San Angclo, Cotulla), and Chihuahua, Alexico (San 

 Diego); south to Durango, Mexico (Rio Sestin), and probably Sonora 

 (Opodepe); northern portion of Baja California; west to Baja CaU- 

 fornia; California, Oregon, Washington, British Columbia (chiefly the 

 drier parts of the interior; in the southwestern part only at high 

 elevations; in the southern interior as low as 2,000 feet; north at least 

 to Telegraph Creek); and to Alaska (Onslow Island, and Juneau). 



Winters in Argentina (Provinces of Catamarca, Tucuman, C6rdoba, 

 Entre Rios, Buenos Aires, etc.) ; migrates across Central America, 

 Colombia, Ecuador (one record), and BrazU; erroneously said to 

 winter in Chile. Reported once in winter in Nueva Le6n, Mexico. 



Casual in eastern North America; Ontario (Moose Factory, Ottawa, 

 Toronto) ; Quebec (Montreal region) ; Michigan (Cheboygan County, 

 Hessel, ^^Tiitefish Point) ; Maine (Glenburn, Gouldsboro, Calais) ; 

 Vermont (Hartland) ; Massachusetts (Hamilton, Wayland, Salem, 

 Essex) ; New York (Onondaga County, Brockport, Cornwall, Lake 

 George); Pennsylvania (Jacobs Creek); Kentucky; West Virginia 

 (White Sulphur Springs); and Florida (Key West, Palm Beach, 

 Miami Beach). 



Type locality. — Near the Columbia River. 



(?) Buieo cinereus Vieillot, Ois. Am6r. Sept., i, 1807, 33. 



Buteo vulgaris (not of Leach, 1816) Swainson and Richardson, Fauna Bor.- 

 Ainer., ii, 1831, 47, 69, pi. 27 (fig.; descr.; habits; etc.). — Jardine, ed. Wil- 

 son's Amer. Orn., ii, 1838, 56. — Audubon, Synopsis, 1839, 5 (Rocky Moun- 

 tains; Columbia River; fur countries); Birds Amer., 8vo ed., i, 1840, 30, pi. 

 6. — TowNSEND, Narrative, 1839, 331 (Oregon). — Vigors, Zool. Voy. Blossom, 

 1839, 15. — NuTTALL, Man. Orn. United States and Canada, Land Birds, ed. 

 2, 1840, 105.— Gambel, Proc. Acad. Nat. Sci. Philadelphia, iii, 1846, 45 

 (California).— Hoy, Proc. Acad. Nat. Sci. Philadelphia, vi, 1853, 306 (Wis- 

 consin). 



" Twenty specimens from Oregon and California to Manitoba, North Dakota, 

 Nebraska, and Texas. 



" Thirty-eight specimens from Alaska, Montana, Manitoba, and Illinois to 

 California, Nevada, Arizona, New Mexico, and Mexico (Chihuahua). 



