166 BULLETIN 50, FNITED STATES NATIONAL MUSELTM. 



Nevada; Virginia Mts., Nevada); Nom. N. Am. Birds, 1S8I, no. 25. — Bendire, 

 Proc. Bost. Soc. N. H., xix, 1877, 115 (Camp Harney, e. Oregon, wintering 

 but not breeding).— Drew, Bull. Nutt. Orn. Clul), vi, 1881, 86 (San Juan Co., 

 Colorado; habits; doscr. nest and eggs). — Stephens, Bull. Nutt. Orn. Club, 

 vii, 18S2, 76 (Cliiricahua and Santa Rita Mts., Arizona). — Bryant (W. E.), 

 ■ Auk, i, 1884, 91 (Big Trees, Calaveras Co., California; descr. nest and eggs). — 

 Goss, Auk, i, 1884, 100 (Wallace, w. Kansas; 10 specs., Oct., 1883).— Salvin 

 and Godman, Ibis, 1889, 381 (Sierra de Bolaiios, Jalisco; Sonora; crit.). 



M[yiadestes] toumsemli Nelson, Bull. Essex Inst., viii, 1876, 94 (Waukegan, Illi- 

 nois, 1 spec, Dec. 16, 1875).— Coues, Key N. Am. Birds, 2d ed., 1884, 329; 

 5th ed., i, 1903, 259. 



M[ymdectes\ toumsendi Salvin and Godman, Biol. Centr.-Am., Aves, i, 1879, 40, 

 in text. 



Myiadedes fownsendi Sharpe, Cat. Birds Brit. Mus., vi, 1881, 374. 



Myadestes townsendi Stejneger, Proc. U. S. Nat. Mus., v, Feb. 28, 1883, 482 (fig. 

 gen. details). — American Ornithologists' Union, Check List, 1886, no. 

 754.— Cooke, Bird Migr. Miss. Vol., 1888, 282 (Niobrara R. and Alda, Nebraska; 

 s. e. Nebraska; w. Kansas, fall and winter; Black Hills, Dakota, breeding; 

 Saragossa, w. Texas, breeding). — Ridgway, Orn. Illinois, i, 1889, 70. — 

 Bishop, North Am. Fauna, no. 19, 1900, 93 (heights above Bennett, 1,500 ft. 

 above Caribou Crossing, Lake Lebarge, Miles Caiion, Semenow Hills, etc., 

 Alaska; song). — Swarth, Pacific Coast Avifauna, no. 4, 1904, 63 (Huachuca 

 Mts., Arizona, spring migi-ant; habits). 



Myadestes toivnsendii Townsend (C. H.), Proc. U. S. Nat. Mus., x, 1887, 230 (Red 

 Bluff, etc., n. California; habits; descr. nest and eggs). — Scott, Auk, v, 1888, 

 167 (Pinal and Santa Catalina Mts., Arizona, Oct., Nov.). — Williams, Auk, 

 vii, 1890, 98 (winters in Montana north at least to 47°; hal)its; song.) — Toppan, 

 Auk, vii, 1890, 408 (Norfolk, Ne])raska, 1 spec, winter). — Nehrling, Our 

 Native Birds, etc., i, 1893, 84; ii, 1896, pi. 20, fig. 4.— Mitchell, Auk, xv, 

 1898, 311 (San Miguel Co., New Mexico, l)reeding at 10,000 ft.). 



[Myadestes toiimsendii] Anthony, Condor, v, 1903, 10-12 (nesting habits; descr. 

 nest and eggs). 



M[yadestes] tovnsendii Ripgway, Man. N. Am. P.irds, 1887, 572. 



Myiadestes ohsnirus (not of I^afresnaye) Bonaparte, Consp. Av., i, 1850, 330, part. 



[Afilledestes] toirnsendi Sharpe. Hand-list, iv, 1903, 113. 



MYADESTES OBSCURUS OBSCURUS Lafresnaye. 

 BROWN-BACKED SOLITAIRE. 



Adults {sexes alili'e). — Pileum, hindneck, sides of neclv, and anricii- 

 lar reojion plain olivaceous slate color or dark mouse gray, the last 

 with narrow shaft-streaks of wdiitish; back and rump plain olive- 

 brown, deepening into a more russet hue on scapulars, fading into 

 olivaceous hair brown on lower rump and upper tail-coverts ; middle 

 rectrices plain brownish gray, w^ith black shafts; rest of tail dull 

 black, the lateral rectrix with outer web (except basally) and ter- 

 minal third (more or less) pale grayish brown, passing terminalh^ 

 into dull white; second rectrix with a much smaller terminal wedge- 

 shaped space of pale grayish brown and white; lesser and middle 

 wing-coverts deep russet or mars brown; greater coverts similar but 

 duller, except on edges; tertials plain olive-brown; secondaries more 

 rufescent brown, crossed near base by a broad band of dull black 

 (broken by brown edges to the quills) ; primaries dusky, broadly 

 edged with light russet or tawny brown, passing into pale didl buffy 



