38 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Pacific coast of Honduras; El Salvador (La Libertad) ; and northern 

 Nicaragua (Realejo and Momotombo). 



Type locality. — None given ; Realejo, Nicaragua.^^ 



Penelope albiventer (not P. albiventris Wagler) Lesson, Rev. Zool., v, 1842, 174 

 (Realejo, Nicaragua). — Gould, Voy. Sulphur, Zool., 1844, 48, pi. 31. 



Penelopsis albiventer Bonaparte, Compt. Rend., xlii, 1856, 877. 



Penelope leucogastra Gould, Proc. Zool. Soc. London, 1843, 105 (locality unknown; 

 new name for P. albivetiter Lesson from Realejo, Nicaragua). 



Ortalida leucogastra Gray, List Birds Brit. Mus., pt. 3, Gallinae, 1944, 20. — Sclater 

 and Salvin, Ibis, 1859, 224 (Pacific coast Guatemala; habits; descr. nest and 

 eggs); Proc. Zool. Soc. London, 1870, 539 (monogr.). — Taylor, Ibis, 1860, 311 

 (Pacific coast Honduras). — Beristain and Laurencio, Mem. y Rev. Soc. 

 Cient. "Antonio Alzate," vii, 1894, 220 (Chiapas and Tabasco). — Lantz, Trans. 

 Kansas Acad. Sci. for 1896-7 (1899), 219 (Naranjo, Guatemala). 



0[rtalida] leucogastra Baird, Brewer, and Ridgway, Hist. North Amer. Birds, iii, 

 1874, 399, footnote. 



[Ortalida] leivcogastra Salle and Parzudaki, Cat. Oiseaux Mexique, 1862, 6 

 (Mexico). — Sclater and Salvin, Proc. Zool. Soc. London, 1870, 543; Nom. Av. 

 Neotr., 1873, 137. 



Ortalida leucogaster Gray, List Birds, Brit. Mus., pt. 5, Gallinae, 1867, 13. 



[Ortalida] leucogaster Gray, Hand-list, ii, 1870, 252, No. 9517. 



Chamaepetes leucogastra Reichenbach, VoU. Nat. Tauben, 1862, 142. 



[Penelopsis] leucogastra Heine and Reichenow, Nom. Mus. Hein. Orn., 1890, 301 

 (Escuintla, Guatemala). 



0[rtalis] leucogastra Ridgway, Man. North Amer. Birds, 1887, 208. 



Ortalis leucogastra Ogilvie-Grant, Cat. Birds Brit. Mus., xxii, 1893, 514 (Retalhuleu 

 and Costa Grande, Guatemala ; La Libertad, El Salvador ; Momotombo, Nicara- 

 gua) ; Handb. Game Birds, ii, 1897, 247 (monogr.). — Salvin and Godman, 

 Biol. Centr.-Amer., Aves, iii, 1903, 281 (Retalhuleu and Costa Grande, Guate- 

 mala; La Libertad, El Salvador; Momotombo and Realejo, Nicaragua). — 

 Dearborn, Publ. Field Mus. Nat. Hist., No. 125, 1907, 78 (San Jose, Guatemala; 

 habits). 



[Ortalis] leucogastra Sharpe, Hand-list, i, 1899, 17. 



Ortalis vetula leucogastra Griscom, Bull. Amer. Mus. Nat. Hist., Ixiv, 1932, 103 

 (Pacific lowlands of western Guatemala to northwestern Nicaragua; spec, from 

 Hacienda California, Finca Cipres, and Espina, Guatemala). — Peters, Check-list 

 Birds of World, ii, 1934, 19. — Hellmayr and Conover, Cat. Birds Amer., i, No. 

 1. 1942, 173 (syn.; distr.). 



ORTALIS VETULA PALLIDIVENTRIS Ridgway 



Yucatan Chachalaca 



Adult (sexes alike). — Similar to the adult of Ortalis vetula vetula but 

 paler below, the abdomen dull whitish isabelline, darkening on the sides, 

 flanks, thighs, and under tail coverts to isabelline; the breast less olive- 

 brown, more ashy olive ; and the tips of the rectrices not pure white but 

 washed with isabelline to pale buffy. 



" This designation appears to be proper, inasmuch as the name leucogastra was 

 originally proposed as a new name for Penelope albiventer Lesson from Realejo, 

 Nicaragua (Proc. Zool. Soc. London, 1843, 105). 



