BIRDS OF NORTH AND MIDDLE AMERICA. 599 



Young male. — Similar to the adult female but feathers of upper 

 parts (es})ecially rump and upper tail-coverts) indistinctly maro^ined 

 termmally with pale brownish buff or cinnamon, and lateral rectrices 

 with much less of cinnamomeous on basal portion. 



Young female. — Similar to the young male but rectrices as in adult 

 female. 



Mountain districts of western United States; north to Idaho (Big 

 Butte), Montana (Gallatin County); east to eastern base of liocky 

 Mountains in Wyoming (Cheyenne), western Nebraska (Glen, Sioux 

 County), Colorado, New Mexico, and western Texas (Chisos Moun- 

 tains; Davis ]\Iountains) ; west to the Sierra Nevada (casually to 

 Oalcland, California) ; southward over greater part of Mexico, in 

 States of Sonora (Micoba), Nuevo Leon (Cerro de la Silla), Tamauli- 

 pas (Aliquihuana) , Aguas Calientes (Sierra de Calvillo), Durango 

 (Guanacavi), Zacatecas (Sierra de Valparaiso), Michoacan (Patzcu- 

 aro), Jalisco (Sierra de Bolahos), Colima (Volcan de Colima; Sierra 

 Nevada de Colima), Hidalgo (Real del Monte), Mexico (City of 

 Mexico; Tenango del Valle; Ajusco; Popocatepetl; Rio Frio, Ixtac- 

 cihuatl; Hacienda Eslava; north slope Volcan de Toluca), Puebla 

 (Chalcliicomula ; Pinal), Vera Cruz (Cofre de Perote; Cordova; Jalapa; 

 Mirador), and Oaxaca (Tonaguia) to liiglilands of Guatemala (moun- 

 tains above Totonicapam; Paramos; Cuipache and San ]\Iartni, Que- 

 zaltenango; El Rincoii, San Marcos); apparently breeding through- 

 out its general range. 



Trochilus platycercus Swainson, Philos. Mag., n. a., i, 1827, 441 (Mexico). — 

 American Ornithologists' Union, Check List, 1886, no. 432. — Scott, 

 Auk, iii, 1886, 431 (Santa Catalina Mts., Arizona; breeding?). — Stone, Proc. 

 Ac. Nat. Sci. Phila., 1890, 214 (Chalchicomula, Puebla).— Mearns, Auk, 

 vii, 1890, 255 (San Francisco i\Its., Arizona, breeding in spruce belt; habits). — 

 Merriam, North Am. Fauna, no. 3, 1890, 39 (Grand Canon of Colorado), 93 

 (San Francisco Mts., breeding in balsam and upper part of pine belt; habits); 

 no. 5, 1891, 98 (Big Butte, Idaho).— Anthony, Auk, ix, 1892, 363 (s. w. New 

 Mexico).— Rhoads, Proc. Ac. Nat. Sci. Phila., 1892, 118 (Santa Catalina 

 Mts., Arizona, breeding). — Lowe, Auk, xi, 1894, 268 (Wet Mts., Colorado, 

 breeding at 10,000 ft.). 



T[rorhilus] platycercus Ridgway, Man. N. Am. Birds, 1887, 313. 



M[ellisuga] platycercus Gray, Gen. Birds, i, Dec, 1848, 113. 



[Selosphorus'] platycercus Bonaparte, Consp. Av., i, 1850, 82. 



Selasphorus platycercus Gould, Mon. Troch., pt. iii, May, 1852, pi. 7; vol. iii, 

 1861, pi. 140; Introd. Troch., oct. ed., 1861, 89.— Sclater, Proc. Zool. Soc. 

 Lond., 1856, 288 (Cordova, Vera Cruz); 1858, 297 (Oaxaca); 1864, 177 (City 

 of Mexico); Cat. Am. Birds, 1862, 298 (Mexico).— Baird, Rep. Pacific R. R. 

 Surv., ix, 1858, 135, 922 (El Paso, Texas; Cantonment Burgwyn, New Mexico; 

 Ft. Bridger, Wyoming); ed. 1860 ("Birds N. Am."), 922, atlas, pi. 43, figs. 

 1, 2; Rep. U. S. and Mex. Boimd. Surv., ii, pt. 2, 1859, 6, pi. 5, figs. 1, 2 

 (El Paso, Texas; Cantonment Burgwyn, New Mexico); Cat. N. Am. Birds, 

 1859, no. 104.— Henry, Proc. Ac. Nat. Sci. Phila., 1859, 106 (New Mexico).— 

 Sclater and Salvin, Ibis, 1859, 129 (Guatemala). — Salvin, Ibis, 1860, 196 



