BIRDS OF NORTH AND MIDDLE AMERICA 335 



with white; the uniformly colored abdomen, sides, flanks, and thighs 

 slightly paler than in graysoni — cinnamon to orange-cinnamon. 



Adult female. — Very similar to that of Colinus virginianus graysoni 

 but darker, more grayish above, the pectoral band of dark markings much 

 broader, and the ground color of the underparts whiter, less bufify. 



Other pliimages apparently unknown. 



4dult male.— Wing 101-109 (105.1) ; tail 53-63 (57.9) ; culmen from 

 base 15-17.8 (16.3); tarsus 28.1-32.2 (30.2); middle toe without claw 

 25-28.7 (26.8mm.).i« 



Adult female.— Wing 102-106.5 (104.6); tail 52-55 (54.1); culmen 

 from base 15.3-16.4 (15.8) ; tarsus 28.2-31.5 (30.1) ; middle toe without 

 claw 27-27.1 (27.05 mm.)." 



Range. — Resident in the plains country of the tableland of the southern 

 half of the States of Puebla (Atlixco, Chietia) and Morelos (Cuernavaca, 

 Puente de Ixtla). 



Type locality. — Atlixco, Puebla, Mexico. 



Colinus graysoni nigripectus Nelson, Auk, xiv, 1897, 47 (Atlixco, s. Puebla, 

 Mexico; coll. U. S. Nat. Mus.) ; xv, 1898, 121 (s. Puebla); xix, 1902, 389 

 (crit.), pi. 14, fig. 2.— Ogilvie-Grant, Ibis, 1903, 110 (crit.).— Salvin and 

 GoDMAN, Biol. Centr.-Amer., Aves, iii, 1903, 300, in text (crit.). — Smith, 

 Condor, xi, 1909, 64, in text (Morelos, Mexico). 



[Colinus] nigripectus Sharpe, Hand-list, i, 1899, 46. 



Colinus virginianus nigripectus Peters, Check-list Birds of World, ii, 1934, 48 

 (tableland of southern part of Puebla). — Hellmayk and Conover, Cat. Birds 

 Amer., i. No. 1, 1942, 244 (syn. ; distr.). 



Colinus pectoralis (not Ortyx pectoralis Gould) Ferrari-Perez, Proc. U. S. Nat. 

 Mus., ix, 1886, 176 (Chietia, Puebla). 



Ortyx pectoralis Beristain and Laurencio, Mem. y Rev. Soc. Cient. "Antonio 

 Alzate," vii, 1894, 219 part (Puebla). — Salvin and Godman, Biol. Centr.-Amer., 

 Aves, iii, 1903, 299, part (Chietia and Atlixco, Puebla). 



COLINUS VIRGINIANUS PECTORALIS (Gould) 



Black-breasted Bobwhite 



Adult male. — Very similar to that of Colinus virginianus nigripectus 

 but smaller and the abdomen darker — sayal brown — and with the thighs 

 and vent more or less barred with blackish and spotted with white ; the 

 black breast band with less white showing, but all the black breast feathers 

 extensively white basally. 



Adult female. — Similar to that of Colinus virginianus nigripectus but 

 smaller and with the darker markings, especially on the undersurface, 

 heavier and darker ; the interscapulars with their centers less hazel, more 

 pale tawny. 



Other plumages apparently unknown. 



'° Seventeen specimens from Puebla and Morelos. 

 " Four specimens from Puebla and Morelos, 



