BIRDS OF NORTH AND MIDDLE AMERICA 271 



Juvenal. — Very similar to that of C. s. pallida but the brownish tones 

 slightly more mixed with grayish (only 1 specimen seen). 



Natal down. — Apparently unknown. 



Adult male.— Wing 113-121 (116.9) ; tail 75-90 (84.9) ; culmen from 

 base 15.5-17.5 (16.4) ; tarsus 30.7-32.5 (31.8) ; middle toe without claw 

 24.6-26.9 (25.8 mm.). 65 



Adult female.— Wing 111-120 (115.4); tail 75-88 (81.7); culmen 

 from the base 15.4-16.6 (15.9) ; tarsus 27.6-32.0 (29.6) ; middle toe with- 

 out claw 23.9-26.0 (24.8 mm.).68 



Range. — Resident in Mexico from southern Coahuila, southern Chihua- 

 hua, and southern Sonora, south to Guanajuato, Jalisco, Hidalgo, and 

 Mexico (District Federal). 



Type locality. — Mexico. 



Ortyx sqiMtnatus Vigors, Zool. Journ., v, 1830, 275 (dry interior of Mexico). 



Ortyx squamata Lesson, lUustr. Zool., 1832, pi. 52 and text. 



C[allipepla] squamata Gray, List Gen. Birds, 1840, 61 ; Gen. Birds, iii, 1846, 514.— 

 Reichenow, Die Vogel, i, 1913, 317. 



Callipepla squamata Gould, Monogr. Odontoph., pt. i, 1844, pi. 19 and text. — 

 Gray, List Birds Brit. Mus., pt. 5, Gallinae, 1867, 78.— Lawrence, Mem. Boston 

 Soc. Nat. Hist., ii, 1874, 307 (Durango). — American Ornithologists' Union, 

 Check-list, 1886, No. 293, part; ed. 2, 1895, 108, part; ed. 3, 1910, 136, part.— 

 Beristain and Laurencio, Mem. y Rev. Soc. Cient. "Antonio Alzate," vii, 

 1894, 219 (Mexico; Valle de Mexico; San Luis Potosi and Tamaulipas). — 

 Bendire, Life Hist. North Amer. Birds, i, 1892, 18, part.— Ogilvie-Grant, Cat. 

 Birds Brit. Mus., xxii, 1893, 395, part (San Luis Potosi; near City of Mexico) ; 

 Handb. Game Birds, ii, 1897, 115, part.— Jouy, Proc. U. S. Nat. Mus., xvi, 1894, 

 790 (Ahualulco, San Luis Potosi; Guadalajara, Jalisco). — Dwight, Auk, xvii, 

 1900, 47 (molt).— Bailey, Handb. Birds Western United States, 1902, 118, part. 

 — Salvin and Godman, Biol. Centr.-Amer., Aves, iii, 1903, 290, part (Durango; 

 Ahualulco and plain of San Luis Potosi; Guanajuato; Guadalajara, Jalisco; 

 near City of Mexico). — Seth-Smith, L'Oiseau, x, 1929, 760 (care in captivity). 

 — del Campo, Anales Inst. Biol., viii, 1937, 268 (Hidalgo; Valle del Mezquital). — 

 Stevenson, Condor, xliv, 1942, 110 (central Panhandle of Texas). 



[Callipepla] squamata Reichenbach, Synop. Av., iii, Gallinaceae 1848, pi. 199, figs. 

 1918, 1919.— Gray, Hand-list, ii, 1870, 273, No. 9794.— Sclater and Salvin, Nom. 

 Av. Neotr., 1873, 138, part. 



Callipepla sqtiammata Cubas, Cuadro Geogr., Estadistico, Descr., e. Hist, de los 

 Estados Unidos Mexicanos, 1884, 168 (common names; Mexico). 



Callipepla squamata squamata Miller, Bull. Amer. Mus. Nat. Hist., xxii, 1906, 162 

 (Rancho Baillou, nw. Durango). — American Ornithologists' Union, Check 

 List, ed. 3, 1910, 136, part.— Bangs, Proc. New England, Zool. Club, iv, 1914, 99 

 (diagnosis; Valley of Mexico; San Luis Potosi; n., probably, to s. Chihuahua 

 and s. Sonora). — Peters, Check-list Birds of World, ii, 1934, 44. — Burleigh and 

 Lowery, Occ. Pap. Mus. Zool. Louisiana State Univ., No. 12, 1942, 188 (se. 



°° Ten specimens from Chihuahua, Coahuila, Durango, San Luis Potosi, Hidalgo, 

 and Tamaulipas. 



" Eleven specimens from Chihuahua, Nuevo Leon, Tamaulipas, Durango, and 

 Hidalgo. 



