472 BULLETIN 50, UNITED STATES NATIONAL MUSEDM. 



anteriorly); under tail-coverts lemon yellow; under wing-coverts and 

 axillars dull white; rest of under parts dull white medially shading 

 into pale smoke gray laterally; maxilla dusky horn color with paler 

 tomia; mandible paler horn color (more bluish in life); iris brown; 

 legs and feet dusky horn color in dried skins. 



Admit male in omPamn and wm^er.— Similar to the summer male 

 but strongly tinged with brown above and on flanks, yellow of chest 

 duller, and chestnut crown-patch concealed by very broad brownish 

 gray tips to the feathers. 



Adult female in spring and summer. — Similar in coloration to the 

 adult male but colors duller, especially the yellowish olive-green of 

 rump and upper tail-coverts; chestnut crown-patch usually more 

 restricted, sometimes nearly obsolete; gray of back, etc., browner; 

 yellow of chest paler and never (?) extended over throat; that of the 

 under tail-coverts also paler. 



Young (^i) female in first autumn.^— ^imiX&v to the adult female, but 

 under parts pale buffy or buflty whitish medially, the chest only very 

 faintly, if at all, tinged with yellow. 



Toung in first plumage.— MiAAle, and greater wing-coverts tipped 

 with pale dull buffy, forming two rather distinct bars; chin, throat, 

 chest, and sides of brea.st pale brownish-gray, the sides and flanks sim- 

 ilar, but still paler; median portion of breast and abdomen white; 

 otherwise like autumnal adults or young in first autumn. 



Adult maZe.— Length (skins), 103.6-109.2 (106.4); wing, 61-61.5 

 (61.2); exposed culmen, 8.9-9.9 (9.4); tarsus, 16-17.8 (17)." 



Adult female.— IjengiXi (skins), 101.6; wing, 57.4-60.4 (58.9); tail, 

 45.5^6.7(46); exposed culmen, 9.4; tarsus, 17.3.' 



Rocky Mountain district of United States, from Colorado and 

 Wyoming to Nevada, southward through central and western Mexico 

 to States of Guanajuato and Jalisco (Bolanos); breeding in higher 

 mountains. (Southern limit of breeding range unknown.) 



lielminlhophaga virginix Baird, Cat. N. A. Birds, 1859, no. 183a [nomen nudum); 

 Birds N. Amer., 1860, Atlas, p. xi, footnote, pi. 79, fig. 1 (Fort Burgwyn, New 

 Mexico; coll. U. S. Nat. Mus.); Review Am. Birds, 1865, 177.— Conss, Proc. 

 Acad. Nat. Scl. Phila., xviii, 1866, 70 (Fort Whipple, Arizona); Check List, 

 1873, no. 66; 2d ed. 1882, no. 105; BirdsN. W., 1874, 51; BirdsCol. Val., 1878, 

 222.— Cooper, Cm. Cal., 1870, 85 (Prescott, Arizona; Fort Burgwyn, New 

 Mexico) .—Aiken, Proc. Bost. Soc. N. H., xv, 1872, 196 (El Paso Co., Colorado; 

 descr. nest and eggs).— Ridqway, Bull. Essex Inst., v, 1873, 172 (Salt Lake 

 City, Utah, breeding), 180 (Colorado); vii, 1875, 20 lEast Humboldt Mta., 

 Nevada), 32 (Wahsatch Mts., Utah); Ibis, 1876, 170; Orn. 40th Parallel, 1877, 

 428; Nom. N. Am. Birds, 1881, no. 84.— Baird, Brewer, and Ridqway, Hist. 

 N. Amer. Birds, i, 1874, 199, pi. 11, fig. 12; iii, 1874, 504.— Henshaw, Zool. 



'This plumage may in reality represent that of the adult female in autumn. 

 ^ Four specimens. 

 "Two specimens. 



