BIRDS OF NORTH AND MIDDLE AMERICA. 



53 



Adult female. —Length (skins), 156-179 (167); wing, 88.5-98 (94.5); 

 tail, 64.5-72.5 (68.6); exposed culmen, 13-14.5 (13.6); tarsus, 26- 

 29.5 (28.1); middle toe, 15.5-17.5 (16.5).« 



Breeding in Pacific coast district of United States, British Columbia, 

 and southern Alaska, from southern California (San Diego and San 

 Bernardino counties), probably also northern Lower California, to 

 Juneau, Alaska; during migration southward through western Mex- 

 ico (Tres Marias Islands; Papayo and Acapulco, Guerrero; Pluma, 

 Oaxaca; Chicharras, Chiapas) thi'ough Guatemala (Coban; Duenas; 

 Costa Grande; Barranco Hondo), Costa Rica (Volcan de Mbavalles), 

 etc., to eastern Ecuador (Ai'chidona; Napo) and British Guiana 

 (Roraima) . 



Turdus ustulatus Nuttall, Man. Orn. U. S. and Canada, Land Birds, ed. 2, 1840, 

 pp. vi, 830 (Columbia R.; type in coll. U. S. Nat. Mus.; misprinted cestula- 

 tus on p. 400).— Baird, Rep. Pacific R. R. Surv., ix, 1858, 215; ed. 1860 

 (Birds N. Am.), pi. 81, fig. 1; Cat. N. Am. Birds, 1859, no. 152; Review Am. 

 Birds, 1864, 18.— Sclater, Proc. Zool. Soc. Lond., 1859, 326 (monogr.).— 

 Cooper and Suckley, Rep. Pacific R. R. Surv., xii, pt. ii, 1860, 171 (Wash- 

 ington, west of Cascade Mts.). — Brown, Ibis, 1868, 420 (Vancouver I.). — 

 RiDGWAY, Proc. Ac. Nat. Sci. Phila., xxi, 1869, 127 (crit.). — Dall and Ban- 

 nister, Trans. Chicago Ac. Sci., i, 1869, 275 (Sitka, Alaska). — Cooper, Orn. 

 Cal., 1870, 5.— Grayson, Proc. Bost. Soc. N. H., xiv, 1872, 276 (Tres Marias 

 islands, w. Mexico, Jan.). — Baird, Brewer and Ridgway, Hist. N. Am. 

 Birds, i, 1874, pi. 1, fig. 2.— Lawrence, Mem. Bost. Soc. N. H., ii, 1874, 266 

 (Tres Marias). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1879, 11 

 (Coban, Dueilas, and Costa Grande, Guatemala). — Seebohm, Cat. Birds 

 Brit. Mus., V, 1881, 203 (Todalgo Bay).— Salvin, Ibis, 1885, 197 (Roraima, 

 British Guiana). — Brewster, Auk, ii, 1885, 85 (Camp Lowell, Arizona, May 

 21). — ^American Ornithologists' Union, Check List, 1886, no. 758. — 

 Anthony, Auk, iii, 1886, 172 (Washington Co., Oregon, breeding). — Morcom, 

 BulL Ridgw. Orn. Club, no. 2, 1887, 57 (Coahuila Valley; Yuma, Arizona; 

 breeding in San Bernardino Valley). — Merrill, Auk, v, 1888, 365 (Fort 



« Twenty-two specimens. 



Specimens from separate geographic areas compare in average measurements as 

 follows: 



