278 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Junco hyemcdis . . var. aikeui Coues, Check List, 1874,129 (no. 174a).— Hbn- 

 SHAW, Rep. Orn. Spec. Wheeler's Surv., 1873 (1874), 114 (El Paso Co., Colo- 

 rado, Oct. 5 to Feb.l; Zoo). Exp. W. 100th Merid., 1875, 266 (El Paso Co., 

 Colorado, Oct. to Feb. ) . 



[Jnnrohyemalis.} Var. aikeui Snow, Birds Kans. , 3d ed., 1875, 7 (Ellis, w. Kansas). 



[Jtmco hyemallt.] b. aikeni Coues, Birds N. W., 1874, 141 (synonymy). 



[junco liyemalis] a. aikeni Trippe, in Coues' Birds N. W., 1874, 145 (crit.). 



Junco hyemalis aikeni Drew, Bull. Nutt. Orn. Club, vi, Apr., 1881, 90 (San Juan 

 Co., Colorado, after Oct.). 



Junco hiemalis aikeni Coues, Check List, 2d ed., 1882, no. 262. 



J. [unco'] h. [iemalis] aikeni Coues, Key N. Am. Birds, 2d ed., 1884, 378. 



J.lunco] aikeni Trippe, in Coues' Birds N. W., 1874, 145 (Idaho Springs, Colo- 

 rado, in winter; crit. ).—Ridg way, Man. X. Am. Birds, 1887, 422. 



Junro aikeni Baikd, Brewer, and Ridgway, Hist. N. Am. Birds, i, 1874, pi. 26, 

 fig. 6.— RiD(iWAY, Field and Forest, iii, May, 1877, 198; Nom. N. Am. Birds, 

 1881, no 216.— Allen and Brewster, Bull. Nutt. Orn. Club, viii, 1883, 190 

 (Colorado Springs, Colorado, 1 spec. Apr. 11).— Drew, Auk, i, 1884, 16 (verti- 

 cal range in Colorado).— Cooke, Auk, ii, 1885,32 (Caddo, Indian Territory, 

 4 specs. Feb. 14 and 21; (?) Jefferson, Wisconsin, 1 spec. Jan. 14; Ellis, w. 

 Kansas, winter); Bird Migr. Miss. VaL, 1888, 203.— American Ornitholo- 

 gists' Union, Check List, 1886, no. 566.— Beckham, Auk, iv, 1887, 122 

 (Pueblo, Colorado, Oct., Nov.).— Sharpe, Cat. Birds Brit. Mus., xii, 1888, 

 649. — Goss, Birds Kansas, 1891,465 (\v. and mid. Kansas, rare winter visit). 



Junco daiibyi Coues, Xidiologist, iii, Oct., 1895, 14 (Black Hills, South Dakota; 

 type in U. S. Nat. Mus.). 



Junco hyemalis danhyi Coues, Auk, xiv, Jan., 1897, 94, in text (crit.). 



JUNCO HYEMALIS HYEMALIS (Linnseus). 

 SLATE-COLORED JUNCO. 



All nit iiti(lc. — Head, neck, chest, upper breast, sides, flanks, and 

 upper parts plain slate-color, darker on head, where approaching slate- 

 black on pileum, rather paler (approaching slate-gray) on rump and 

 sides; lower breast, abdomen, anal region, and under tail-coverts 

 white; six middle tail-feathers slate-blackish, edged with slate-grayish; 

 two outermost tail-feathers white (the second sometimes dusky at base 

 and edged with dusky toward tip), the third white and dusky (the latter 

 usually predominating); bill (in life) pinkish or lilaceous white, with 

 dusky tip (at least in winter); iris dark reddish brown or claret purple; 

 tarsi light brownish, toes usually darker; length (skins), 138.18-158.24 

 (145.54); wing, T6.Tl-82.30 (Ty.25); tail, 63.25-Tl.12 (66.56); exposed 

 culmen, 10.16-11.68 (10.92); depth of bill at base, 6.10-6.86 (6.35); 

 tarsus, 20.32-21.84 (21.08); middle toe, 13.72-14.99 (1-4.48).' 



Adult feiudle. — Similar to adult male, but the slate-color rather 

 lighter (sometimes decidedly so), and the second tail-feather always (?) 

 partly dusky; length (skins), 132.59-154.94 (141.73); wing, 70.61-78.23 

 (74.93); tail, 62.23-67.06 (64.26); exposed culmen, 9.91-11.68 (10.67); 



' Twenty-four specimens. 



