BIRDS OF NORTH AND MIDDLE AMERICA 339 



the dark bars much wider than the narrow cinnamon-buff interspaces; 

 general ground color of upperparts slightly more brownish; the ventral 

 barrings averaging wider. 



Other plumage apparently unknown. 



Adidt male.— Wing 98-108 (101.8) ; tail 54.5-64 (57.8) ; culmen from 

 base 14.7-16.3 (15.4) ; tarsus 27.8-30.8 (28.9) ; middle toe without claw 

 23-26.5 (25.0 mm.). 21 



Adult female.— Wing 93-103 (98.9) ; tail 51-58.5 (54.2) ; culmen from 

 base 14.4-16.2 (15.2) ; tarsus 27.4-30.2 (28.4) ; middle toe without claw 

 23.5-25.5 (24.7 mm.). 21 



Range. — Resident in the Comitan-Nenton Valley of eastern Chiapas 

 and western Guatemala, between 3,000 and 6,000 feet. 



Type locality. — Nenton, Guatemala. 



Colinus insignis, Nelson, Auk, xiv, 1897, 46 (Nenton, Guatemala; U. S. Nat. 

 Mus.) ; XV, 1898, 119, in text, 122 (Valley o£ Comitan, Chiapas, to w. Guate- 

 mala). 



[Colimis] insignis Sharpe, Hand-list, i, 1899, 46. 



Ortyx insignis Salvin and Godman, Biol. Centr.-Amer., Aves, iii, 1903, 302 (Valley 

 of Comitan and Cailco, Chiapas; Nenton, Guatemala). 



Colimis virginianus insignis Griscom, Bull. Amer. Mus. Nat. Hist., Ixiv, 1932, 106 

 (distr. ; parts of Chiapas and the adjacent border of western Guatemala between 

 3,000 and 6,000 feet) .—Peters, Check-list Birds World, ii, 1934, 48 (Comitan 

 Valley in eastern Chiapas, and in adjacent part of western Guatemala). — 

 Berlioz, Bull. Mus. Hist. Nat. Paris, ser. 2, xi, 1939, 361 (Chiapas, Juncana; 

 spec; crit.). — Hellmayr and Conover, Cat. Birds Amer., i. No. 1, 1942, 245, 

 part (syn. ; Valley of Rio Chiapas from Nenton, Guatemala, to the western 

 boundary of the State of Chiapas, Mexico ; spec. ; Chiapas — Moriscal, Ocozoco- 

 autla, Jiquipilas, Comitan, Tuxtla Guiticrrez, San Bartolome, San Vicente, 

 Chiapa, Petapa, Hda. La Razon, Valle dc Zintalpa, Valley of Jiquipilas ; Guate- 

 mala— Nenton). — Brodkorb, Occ. Pap. Mus. Zool. Univ. Michigan, No. 467, 

 1942, 3, in text (crit.). 



C[olinus] v[irginiamis] insignis Brodkorb, Occ. Pap. Mus. Zool. Univ. Michigan, 

 No. 467, 1942, 3, in key (Comitan-Nenton Valley of eastern Chiapas and western 

 Guatemala). 



COLINITS VIRGINIANUS COYOLCOS (Mijllcr) 



CoYOLcos Bobwhite 



Adult male. — Similar to that of Colinus virginiumis graysoni above, but 

 with the forehead and lores black, as are also the chin and throat, the only 

 white on the head being the superciliaries and occasional feathers on the 

 throat ; feathers of crown and occiput with broad brown edges ; black of 

 throat extending over the breast either as a solid mass or as broad mar- 

 gins to the pectoral feathers ; rest of the underparts as in graysoni~~ ; size 

 .smaller ; bill deep black, iris brown ; feet cinereous. 



" Twenty specimens of each sex from Chiapas and Oaxaca. 



•-To judge by the variations in the series studied, it appears that some mixture 

 of stocks has transpired in Oaxaca, possibly owing to introductions of birds from 



