380 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
the same; outer pair of rectrices broadly tipped with light brownish 
gray, the next pair more narrowly tipped with same. 
Young female —Similar to the adult female, but general coloration 
duller; feathers of pileum margined with rusty, and spotting of under 
parts much duller (less metallic). 
Southern Arizona (Huachuca, Chiricéhua, Santa Catalina, and 
Santa Rita mountains), over nearly the whole of Mexico to highlands 
of Guatemala (Guatemala City; Chilasco; Amatitlan; Coban; Toto- 
nicapim; near Tecpim; Volcan de Fuego; Volcan de Agua; Santa 
Rosa above Salama; Santa Barbara; San Gerénimo; Quezalte- 
nango; Santa Maria near Quezaltenango; Chuipaché). Sonora 
(Tetuaca), Sinaloa (Mazatlan), Jalisco (Sierra Nevada de Colima; 
Sierra de Bolafios; Bolafios; Sierra de Nayarit), Colima (Volcén de 
Colima; Nevada de Colima), Michoacan (Patzcuaro; Mount Tanci- 
taro), Guerrero (Omilteme; Chilpancingo; Amula), Morelos 
(Huitzilac; Titela del Voleén), Mexico (Valley of Mexico; Temas- 
caltepec; Tlaxcala; Tenango del Valle; Amecameca; Rio Frio, 
Ixtaccihuatl; Ixtapalapa; Hacienda Eslava; Chimalapa; Tetelco; 
San Antonio Coapa; Las Cruces), Hidalgo (Real del onte). 
Guanajuato, Zacatecas (Sierra de Valparaiso), Durango (Ciudad 
Durango), Chihuéhua (Tatuaca), Tamaulipas (Sierra de Victoria; 
Galindo; Realito), Vera Cruz Jalapa; Miradér; Orizaba; Mount Ori- 
zaba, 11,000 ft.; Cérdova; Las Vigas; Cofre de Perote; Maltrata), 
San Luis Potosi (Sierra de San Luis Potosf), Puebla (Chalchicomula; 
Tochimilco; Pinal), Oaxaca (Mount Zempodltepec; 15 miles west of 
Oaxaca City; Toténtepec; Villa Alta; Toniaguia), Chiapas (San 
Cristébal). 
Trochilus leucotis VirtttoT, Nouv. Dict. d’Hist. Nat., ed. 2, xxiii, 1818, 428 
(“Brazil”; coll. M. Laugier). 
T[{rochilus] leucotis Viz1nLoT, Tabl. Enc. Méth., ii, 1822, 559. 
H{ylocharis] leucotis Gray, Gen. Birds, i, Dec., 1848, 114.—Harrert, Das Tier- 
reich, Troch., 1900, 66. 
[Hylocharis] leucotis Gray, Hand-list, i, 1869, 151, no. 1949.—SHarre, Hand-list, 
ii, 1900, 110. 
Hylocharis leucotis DEARBORN, Pub. 125, Field Mus. N. H., 1907, 98 (Lake 
Atitl4n, 5,000 ft. and above Tecp4m, 9,500 ft., Guatemala).—Puttures, Auk, 
xxviii, 1911, 78 (Galindo and Realito, Tamaulipas). 
[Thaumatias] leucotis Bonaparte, Consp. Av., i, 1850, 78. 
Basilinna leucotis Ruicnensacu, Aufz. der Colibr., 1854, 13; Troch. Enum., 
1855, 11.—Sciarer, Proc. Zool. Soc. Lond., 1856, 287 (Cérdova, Vera 
Cruz).—Ext1ot, Classif. and Synop. Troch., 1879, 227.—Satvin, Cat. Birds 
Brit. Mus., xvi, 1892, 252, 662.—Satvin and Gopman, Biol. Centr.-Am., 
Aves, ii, 1892, 312.—Fisner (A. K.), Auk, xi, 1894, 325 (Chiricahua Mis., 
Arizona).—Harrert (E. and C.), Novit. Zool., i, 1894, 21 (Chilpancingo, 
Guerrero, 6,000-8,000 ft.; descr. nest).—Boucarp, Gen. Hum. Birds, 1894, 
177.—Cox, Auk, xi, 1895, 357 (Mt. Orizaba, 11,000 ft.).—AmeErican ORNI- 
THOLOGIstTs’ Unton, Auk, xii, 1895, 164; Check-List, 2d ed., 1895, no. 440.1; 
8rd ed., 1910, 206.—Benoire, Life Hist. N. Am. Birds, 1895, 227.—Barney 
