BIRDS OP NORTH AND MIDDLE AMERICA 347 



196 (Whetstone Mountains, s. Arizona, 4000-4500 ft.).— Swarth, Pacific Coast 

 Avif., No. 10, 1914, 21 (Arizona; Baboquivari Peak to Huachuca Mountains; 

 now extinct in Arizona). — Law, Condor, xxxi, 1929, 219 (Altar Valley, Ariz.). 

 —Phillips, Verh. 6th Internat. Orn. Kongr., 1929, 510 (extinct in U. S. ; still 

 found in Mexico).— Bent, U. S. Nat. Mus. Bull. 162, 1932, 36 (habits; distr.).— 

 CoTTAM and Knappen, Auk, Ivi, 1939, 152 (food habits). 



[Colhms] ridgwayi Sharpe, Hand-list, i, 1899, 46. 



Ortyx ridgwayi Ogilvie-Grant, Cat. Birds Brit. Mus., xxii, 1893, 422.— Salvin 

 and GoDMAN, Biol. Centr.-Amer., Aves, iii, 1903, 302 (Sasabe, Campos, and 

 Bacuachi, Sonora; s. Arizona). 



Colinus virginianus ridgwayi van Rossem, Trans. San Diego Soc. Nat. Hist., vi, 

 1931, 245 (Sonora, Mexico) ; Bull. Mus. Comp. Zool., Ixxvii, 1934, 431 (Cumpas 

 and Bacuachi, Sonora). — Peter.s, Check-list Birds of World, ii, 1934, 49.— Hell- 

 MAYR and CoNOVER, Cat. Birds Amer., i, No. 1, 1942, 242 (syn. ; distr.). 



C[oliinis] v[irginianus] ridgwayi Seth-Smitpi, L'Oiseau, x, 1929, 763, in text (care 

 in captivity).- Berlioz, Bull. Mus. Hist. Nat., Paris, ser. 2, xi, 1939, 361, in 

 text (Arizona; crit.). — Brodkorb, Occ. Pap. Mus. Zool. Univ. Michigan, No. 

 467, 1942, 3, in key. 



Ortyx virgimaims Brown, Auk, xxi, 1904, 211, in text (Sonora). 



COLINUS NIGROGULARIS CABOTI Van Tyne and Trautman 



Yucatan Bobwiiite 



Adult male. — Lores and superciliaries black, the black of the lores con- 

 necting narrowly above the base of the culmen ; a white stripe immediately 

 above this from the middle of the upper forehead completely borders the 

 black of the lores and the superciliaries; feathers of crown and occiput 

 bister, those of the crown broadly bone brown medially; those of the 

 occiput with somewhat grayish edges; nape, sides of neck, and inter- 

 scapulars between auburn and chestnut, the feathers with conspicuous 

 M'hite shaft streaks or spots, these white markings reduced or absent on 

 the more posterior interscapulars ; upper back like the posterior inter- 

 scapulars but the feathers broadly margined with neutral gray finely 

 flecked with darker ; inner median and greater upper wing coverts like the 

 upper back; scapulars similar but blotched subterminally with fuscous- 

 black to black and margined internally with whitish; outer upper wing 

 coverts like the inner ones but much washed with ochraceous-tawny and 

 more coarsely vermiculated with dusky; secondaries olive-brown, their 

 outer webs flecked and vermiculated with grayish ochraceous-tawny ; pri- 

 maries imiformly olive-brown; feathers of back, rump, and upper tail 

 coverts light mouse gray to mouse gray, medially lightly tinged with 

 ochraceous-tawny and subterminally blotched with fuscous-black to black, 

 these blotches becoming elongated into shaft streaks on the upper tail 

 coverts, the gray areas faintly vermiculated with dusky and tipped and in- 

 completely barred (sparingly) with grayish white; rectrices between deep 

 mouse gray and hair brown, the median ones mottled with paler gray and 

 faintly buffy gra3'ish white ; chin and throat black ; a line under the eye and 

 extending more broadly over the upper cheeks, auriculars and sides of 



