642 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
_ Young.—Pileum and sides of head (except forehead and lores), 
back and scapulars grayish brown, the longer scapulars margined 
terminally with pale grayish buff; wing-coverts gray, more or less 
tinged with brown; secondaries dusky edged with pale gray and 
broadly tipped with white; primaries dusky, the proximal ones more 
grayish, all rather broadly tipped with white; tail pale gray or grayish 
white with a broad subterminal band of blackish; central portion of 
rump pale gray, the lateral and posterior portions, together with 
upper tail-coverts and entire under parts, lores, forehead, and eye- 
lids white; bill brownish, the tip dusky; legs and feet brownish (in 
dried skins). 
Adult male.—Wing, 280-295 (289.6); tail, 97-109 (103.9); exposed 
culmen, 30-34 (82.6); tarsus, 38-42.5 (40.8); middle toe, 31.5-33 
(32.4).¢ 
Adult female.—Wing, 270-293 (282); tail, 94-105 (99.7); exposed 
culmen, 30-34.5 (32.5); tarsus, 39-41 (39.9); middle toe, 31.5-34 
(32.2).° 
Breeding in middle districts of the United States and Canada, 
between the Mississippi River and Rocky Mountains, from Iowa 
(formerly, Spirit Lake, in 1890 to 1893) and South Dakota (Brook- 
ings; Petrodie; Fort Sisseton) northward through North Dakota 
(Turtle Mountain; Devils Lake), Minnesota (Becker County; Heron 
Lake; Marsh Lake) and Manitoba (Saskatchewan River; Red River 
Valley; Lake Winnipegoosis; Lake Manitoba; Selkirk; Winnipeg) to 
Saskatchewan (Quill Lake; Lake of the Narrows; near Crane Lake; 
Lake Winnipegoosis; Cumberland House ?; Osler?; near Edmonton ?) 
and Alberta (Many Island Lake; Flagstaff), migrants or stragglers 
occurring, casually or accidentally, in Keewatin (Hayes River), Onta- 
rio (Hamilton, April, Oct.), Pennsylvania (near Philadelphia, Oct. 22, 
1911), Virginia (Blacksburg, Oct. 24, 1898), Ohio (Licking Reserve, 
Oct. 15, 1906), Michigan (near Holland, April 28, 1897), Colorado 
(Loveland; near Denver), Utah (Great Salt Lake, June 2, 1902, and 
in 1906), and California (Hyperion, Los Angeles County, Nov. 22, 
1913, Oct. 17, 1914, Nov. 24, 1914); southward during migration 
through Wisconsin (Milwaukee, 1 specimen, in 1850; Mendota, April 
23, 1911; mouth of Fox River, Oct. 22, 1884; West Depere, Oct. 22, 
1884; Lake Koshkonong, Sept. to Oct. 29, 1871), Illinois (Lake 
Michigan, near Chicago; Liter, April 21, 1882; Warsaw, May, 1875), 
Iowa (Keokuk, April 6, 1902; Wall Lake, Apr. 10 to June 27, 1900), 
Nebraska (Lincoln, Apr. 10, 1899, Nov. 17, 1900; Alda, Apr. 3, 1884; 
Badger, Mar. 30 to Apr., and Nov. 12, 1899), Kansas (Onaga, May 
11, 1910; Clay Center, June 6, 1909; Hudson, June 9, 1907; Law- 
rence, Nov. 1, 1905), Missouri (Monteer, Apr. 20, 1909; Nishna Lake, 
4 Five specimens. > Four specimens. 
