BIRDS OF NORTH AND MIDDLE AMERICA. 



747 



Young male. — Similar in coloration to the adult female. 



Southeastern Mexico, in States of Vera Cruz (Cordova; Playa 

 Vicente; Potrero; Mirador; Santa Lucrecia; Tolosa), Tabasco 

 (Teapa), Campeche (Canasayat) and Yucatan (Tizimin; Meco Island; 

 Mujeres Island), and southward through Guatemala (Choctum; 

 Cohan; sources of Rio de la Pasion; Yzabal), British Honduras 

 (Orange Walk; Cayo; near Manatee Lagoon) and Honduras (Ceiba; 

 Chamelicon; Segovia River) to Nicaragua (Chontales; La Libertad; 

 Rio Escondido). 



Pipra mcntalis Sclater, Proc. Zool. Soc. Lond., 1856, 299, pi. 121 (Cordova, Vora 

 Cruz; coll. A. Salle); 1859, 385 (Playa Vicente, Vera Cruz); Cat. Am. Birds. 

 1862, 249 (Choctum, Guatemala); Cat. Birds Brit. Mus., xiv, 1888, 295, part 

 (Cordova, Vera Cruz; Tizimin, Mujeres I. and Meco I., Yucatan; Honduras; 

 sources Rio de la Pasion and Choctum, Guatemala; Chontales, Nicaragua). — 

 Sclater and Salvin, Ibis, 1859, 125 (Guatemala); Proc. Zool. Soc. Lond., 

 1870, 837 (Honduras).— Sumichrast, Mem. Bost. Soc. N. H., i, 1869, 558 

 (Vera Cruz).— Salvin, Ibis, 1872, 318 (Chontales, Nicaragua); 1889, 364 

 (Meco and Mujeres islands, Yucatan; crit.). — Salvin and Godman, Biol. 

 Centr.-Am., Aves, ii, 1890, 108, part (Cordova and Playa Vicente, Vera 

 Cruz; Teapa, Tabasco; Tizimin, Meco I. and Mujeres I., Yucatan; Orange 

 Walk and Cayo, British Honduras; Choctum and Yzabal, Guatemala; 

 Chontales, Nicaragua). — Richmond, Proc. IT. S. Nat. Mus., xvi, 1893, 509 

 (Rio Escondido, Nicaragua; habits; colors of unfeathered parts). — Hell- 

 MAYR, Ibis, 1906, 13 (monogr.). 



[Pipra] mentalis Sclater and Salvin, Nom. Av. Neotr., 1873, 54, part. — Sharpe, 

 Hand-list, iii, 1901, 154, part. 



P[ipra\ mentalis Hellmayr, Ibis, 1906, 3, 5 (in key). 



Pipra mentalis mentalis Bangs, Bull. Mus. Comp. Zool., xxxix, no. 6, July, 

 1903, 149 (Ceiba, Honduras; crit.). ~ 



PIPRA MENTALIS IGNIFERA Bangs. 



SOUTHERN YELLOW-THIGHED MANAKIN. 



Similar to P. m. nientalis, but adult male with red of head and neck 

 more intense (bright vermilion to poppy red), thighs deeper yellow 

 (canary to chrome) ; averaging slighth' smaller, with tail relatively 

 shorter. 



Adult lyiale.l^engih (skins), 88-99 (94); wing, 52.5-61 (57.7); tail, 

 23-27 (24.9); exposed culmen, 9-11 (9.9); tarsus, 14-15.5 (14.8); 

 middle toe, 9.5-11.5 (10.4). « 



Adult female.— Length (skins), 93-105 (98.4); wing, 55.5-63 (59.6); 

 tail, 25-31.5 (27.2); exposed culmen, 10-12 (10.7); tarsus, 14-15.5 

 (14.8); middle toe, 9.5-10 (9.9).^ 



o Eighteen specimens. 

 & Twelve specimens. 



