BIEDS OF NORTH AND MIDDLE AMERICA. 277 



219, part. — American Ornithologists' Union Committee, Check List, 1886, 

 no. 568, part; Auk, xiv, Jan., 1897, 129 (no. 568.1) .—Ridgway, Auk, xiv, 

 Jan., 1897, 94 (crit.).— Cooke, Birds Colorado, 1897. 105 (Boulder, Colorado, 

 1 spec. Nov. 25, 1892). 



Junco Memalis annectens Coues, Check List, 2d ed., 1882, no. 264, part. 



J. [uncol h. [iemalis'] annectens Coues, Key N. Am. Birds, 2d ed., 1884, .379, part. 



Junco ridgvjayi Mearns, Auk, vii, July, 1890, 243 (Whipple Barracks, Arizona; 

 coll. E. A. Mearns). — Anthony, Auk, ix, 1892, .365 (near Apache, s. w. New 

 Mexico, Mar. 16; Granite Gap, 10 m. west of Apache). — Mc(trectOr, Auk, x, 

 1893, 205 (Boulder, Colorado, Nov. 25). — American Ornithologists' Union, 

 Check List, 2d ed., 1895, no. 568.1.— Ridgway, Man. N. Am. Birds, 2d ed., 

 1896, 603. 



JUNCO AIKENI Ridgway. 



WHITE-WINGED JUNCO. 



Adult male. — Head. neck, che.st, sides, tianks. and upper parts plain 

 slate-graj-, darker (slate color) on the head; middle and greater wing- 

 coverts usuallj' tipped with white, forming- two distinct bands: three 

 outermost tail-feathei's wholly white, the third sometimes with a little 

 dusky, the fourth with more or less of white; length (skins), 156.97- 

 169.98 (163.83); wing. 81.53-92.96 (88.65); tail, 75.18-78.74 (76.45); 

 exposed cidmen. 11.68-12.95 (12.19); depth of l)ill at base, 7.62-8.38 

 (8.13); tarsus, 20.83-21.84 (21.34); middle toe, 13.72-14.99 (14.48).' 



Adult female. — Similar to adult male, but rather paler gray, the 

 upper parts (especially back) tinged more or less with light grayish 

 brown, the wing-bands usually less distinct, frequently obsolete, and 

 the third tail-feather more often with a little dusky; length (skins), 

 149.61-168.15 (159.26); wing, 81.03-84.33 (82.55);' tail. 71.12-76.20 

 (73.66); exposed culmeu, 11.43-12.45 (11.94); tarsus. 19.81-21.08 

 (20.57); middle toe, 13.21-14.99 (13.97).' 



Winter birds, especially 3'oung, are more or less tinged with light 

 grayish brown, especially on back. In some adult males the tertials 

 are edged with white. 



Breeding in Wyoming (Bear Lodge Mountains) and western North 

 Dakota (Black Hills); migrating in winter to Colorado and western 

 and middle Kansas, casually to Indian Territory (Caddo) and Wiscon- 

 sin (Jefferson). 



Junco hyeinalis \ar. aihenii Aiken, Proc. Bost. Soc. Nat. Hist., xv,Dec., 1872, 201 

 ( nomen nudum; habits ) . 



[Junco liyemali<] var. uikeni Rjdgway, Am. Nat., vii, Oct., 1873, 612, 614 (El Paso 

 Co., Colorado; coll. C. E. Aiken). — Henshaw, Rep. Orn. Spec. Wheeler's 

 Surv., 1873 (1874), 113 (crit.). 



Junco hyemalis var. ailrm Ridgway, Bull. Essex Inst., v, Nov., 1873, 182 (Colo- 

 rado) . — Bairo, Brewer, and Ridgway, Hist. N. Am. Birds, i, 1874, 584. — 

 Snow, Observer of Nature, iii, 1876 (Ellis, w. Kansas, 1 spec. Nov. 8) . 



^ Eight specimens. ^ Five specimens. 



