BIRDS OF NORTH AND MIDDLK AMERICA 301 



the feathers of the breast and abdomen buffy white barred with olive- 

 brown, not with round white spots. 



Natal dozvn. — Forehead, lores, sides of head light ochraceous-buff ; 

 center of crown and occiput mummy brown, edged laterally with bufify 

 white; this dark area extending caudally in an unbroken spinal tract to 

 the tail, bordered from the neck back to the tail with white, almost 

 devoid of any buffy tinge; similar but narrow stripes of mummy brown 

 to fuscous in the following places — from behind the eye to the posterior 

 margin of the side of the neck, two on each femoral tract, two short ones 

 on each wing, and an incomplete, interrupted one on each side from the 

 hind end of the postocular stripe to the wing; underparts whitish faintly 

 tinged with buffy; bill and feet (in dried skin) light yellow. 



Adult male.—Wmg 109-114 (111.7); tail 70-78 (74.6); culmen 

 from base 13-14.3 (13.7); tarsus 30-33 (31.3); middle toe without 

 claw 27-30.4 (28.1 mm.).^^ 



Adult female.— Wing 105.4-113 (108.8); tail 66-68 (67); culmen 

 from base 13.3-14.8 (14.1) ; tarsus 31-33 (32) ; middle toe without claw 

 26.5-27.5 (27.1 mm.).^^ 



Range. — Resident from extreme southern Sonora (Tesia, Cheno- 

 bampo, Guirocoba) south throughout Sinaloa, and to northwestern 

 Durango (Casa Blanca). 



Type locality.— Mazatlkn, Sinaloa. 



0[rtyx] doHglasii Douglas, Trans. Linn. Soc. London, xvi, 1829, 145 [California] ; 

 "never higher than 42° north latitude"; ex Vigors, manuscript). 



Ortyx douglasii Vigors, Zool. Journ., iv, 1829, 353 ; Zool. Voy. Blossom, Birds, 1839, 

 27, pi. 11 ("Monterey, California").— J ardine and Selby, Illustr. Orn., ii, 1830, 

 pi. 107.— Lesson, Traite d'Orn., 1831, 508 ("California"). 



[Ortyx] douglassii Reichenbach, Synop. Av., iii, 1848, Gallinaceae [2], pi. 193, 

 fig. 1677. 



Ortyx douglassii CooPER^roc. California Acad. Sci., vol. 6, 1875, 202 (crit.), 



Callipepla douglassii Ga? jel, Journ. Acad. Nat. Sci. Philadelphia, i, 1847, 218, part 

 ("Common about thp.Gulf [of California], particularly at Mazatlan"). — Baird, 

 Rep. Stansbury's Expi. Great Salt Lake, 1852, 334 ("Monterey, California"). 



Callipepla douglasii Gray, List Birds Brit. Mus., pt. 5, Gallinae, 1867, 78. 



C{aUipcpla] douglasi Reichenow, Die Vogel, i, 1943, 317. 



[Callipepla] douglasii Gray, Hand-list, ii, 1870, 273, No. 9796 (Monterey). 



Lophortyx douglasi Bonaparte, Geogr. and Comp. List, 1838, 43. — Nuttall, Man. 

 Orn. United States and Canada, Land Birds, ed. 2, 1840, 793. — Ogilvie- Grant, 

 Cat. Birds Brit. Mus., xxii, 1893, 404, part, (Mazatlan and Presidio de Mazat- 

 lan, Sinaloa) ; Handb. Game Birds, ii, 1897, 126, part (Sinaloa). — Salvin and 

 GoDMAN, Biol. Centr.-Amer., Aves, iii. 1903. 293. part (Mazatlan; Presidio de 

 Mazatlan). — Grinnell, Pacific Coast Avif., No. 11, 1915, 180 (California; hypo- 

 thetical).— Palmer, Condor, xxx, 1928, 277, in text (patronymics). 



L[ophoriyx] douglasi Seth-Smith, L'Oiseau, x, 1929, 761 (care in captivity). 



[Lophortyx] douglasi Sharpe, Hand-list, i, 1899, 44 (w. Mexico). 



^ Eight specimens, all from Sinaloa. 



^ Four specimens from Sinaloa and Durango. 



