BIRDS OF NORTH AND MIDDLE AMERICA 35 



Ortalida vitula Gray, List Birds Brit. Mus., pt. 3, Gallinae, 1844, 20 (Mexico) ; 

 ed. 2, 1867, ii (Mexico).— Sclater, Proc. Zool. Soc. London, 1859, 391 (ne. 

 Oaxaca) ; 1869, 391 (Playa Vicente, Veracruz; crit.).— Sumichrast, Mem. 

 Boston Soc. Nat. Hist., i, 1869, 560 (hot region of Veracruz) ; La Naturaleza, 

 ser. 1, V, 1882, 229, part (Chimalapa, Oaxaca). — Sclater and Salvin, Proc. 

 Zool. Soc. London, 1869, 364, part (crit.) ; 1870, 538, part (monogr.).— Law- 

 rence, U. S. Nat. Mus. Bull. 4, 1876, 45 (Guichicovi, Oaxaca). 



0[rtalida] vetula Wagler, Isis, 1832, 1227 (0. hetula in WiUughby Society re- 

 print). — Reichenbach, Voll. Nat. Tauben, 1861, 144, part.— Baihd, Brewer, 

 and RiDGWAY, Hist. North Araer. Birds, iii, 1874, 398, footnote, part. 



[Ortalida] vetula Gray, Hand-list, ii, 1870, 252, No. 9502, part. — Sclater and Salvin, 

 Proc. Zool. Soc. London, 1870, 543, part ; Nom. Av. Neotr., 1873, 137, part. 



Ortalis vetula Ogilvie-Grant, Cat. Birds Brit. Mus., xxii, 1893, 512, part (Veracruz, 

 Cuesta de Misantla, Plan del Rio, Vega de Casadero, and La Antigua, Veracruz ; 

 Hacienda de los Atlixcos, Puebla) ; Handb. Game Birds, ii, 1897, 245, part. — 

 Salvin and Godman, Biol. Centr.-Amer., Aves, iii, 1902, 280, part (Guichicovi, 

 Oaxaca; San Jose Acateno, Vega de Casadero, and La Antigua, Playa Vicente, 

 Cordoba, and Uvero, Veracruz ; Hacienda de los Atlixcos, Puebla) . 



0[rtalis] vetula Reichenow, Die Vogel, i, 1913, 277. 



Ortalis vetida vetula Miller and Griscom, Auk, xxxviii, 1921, 46 (type locality 

 designated, erroneously, as Tampico, Tamaulipas; crit.). — Griscom, Ibis, 1935, 

 810 (Sierra de las Minas, eastern Guatemala; spec). — Hellmayr and Conover, 

 Cat Birds Amer., i. No. 1, 1942, 170 (syn. ; distr.). 



Ortalis v[etula] vetula Miller and Griscom, Auk, xxxviii, 1921, 455 (corr. type 

 loc, Veracruz). 



Ortalis vetula jalapensis Miller and Griscom, Auk, xxxviii, 1921, 46 (Jalapa, Vera- 

 cruz, e. Mexico; coll. Amer. Mus. N. H.). — Austin, Bull. Mus. Comp. Zool., 

 Ixix, 1929, 370 (Cayo District, Mountain Cow Water Hole, British Honduras). — 

 Griscom, Bull. Amer. Mus. Nat. Hist., Ixiv, 1932, 101 (distr. in Guatemala, 

 spec, from Sepacuite, Secanquim, and Finca Chama, all in the Caribbean forest, 

 50 to 60 miles east of Coban, 1,800 to 3,500 feet altitude).— Peters, Check-list 

 Birds of World, ii, 1934, 19.— del Campo, Anal. Inst. Biol., xiii. No. 2, 1942, 

 700 (Chiapas; Tecpatan and Mapastepec; spec). — Brodkorb, Misc. Publ. Mus. 

 Zool. Univ. Michigan, No. 56, 1943, 30 (Veracruz; Tabasco; spec). 



Ortalis vetula fulvicauda Miller and Griscom, Auk, xxxviii, 1921, 47 (Tolosa, 

 Oaxaca; coll. Amer. Mus. N. H.). 



Ortalis vetula maccalli (not of Baird) Ferrari-Perez, Proc. U. S. Nat. Mus., ix, 

 1886, 176 (San Jose Acetano, Puebla) .—Chapman, Bull. Amer. Mus. Nat. 

 Hist, X, 1898, 36 (Jalapa, Veracruz). 



Ortalida mc-calli Rovirosa, La Naturaleza, vii, 1887, 380 (Tabasco ; Rio Macuspana). 



Ortalida poliocephala Sclater, Proc. Zool. Soc. London, 1856, 310 (Cordoba, Vera- 

 cruz). 



[Ortalis] [vetula] jalapensis van Tyne, Misc. Publ. Mus. Zool. Univ. Michigan. 

 No. 27, 1935, ii (Guatemala). 



OETALIS VETULA POLIOCEPHALA (Wagler) 



Gray-headed Chachalaca 



Adult (sexes alike). — Similar to Ortalis vetula vetula but larger, the 

 abdomen and underparts generally much lighter — the abdomen whitish, 

 washed to a varying degree with light ochraceous-buff, the sides, flanks, 

 thighs, and under tail coverts more heavily so tinged— varying from light 



