748 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Costa Rica (Angostura; Tuciirri(|ui; Tiirrialba; San Carlos; Paiz; 

 Tuiz; Pozo Azul de Pirris; Pozo del Pital; Boruca; Cuabre; Tala- 

 manca; Volcan de Miravalles) and Panama (Divala; Bugaba; Mina 

 de Chorcha; Panama; Lion Hill; Sevilla Island). 



Pipra mentalis (not of Sclator, 1856) Sclater and Salvin, Ibis, 1864, 362 (Panama; 

 crit.). — Lawrence, Ann. Lye. N. Y., ix, 1868, 116 (Angostura, Paiz, and 

 Tucurriqui, Costa Rica). — Frantzius, Jour, fiir Orn., 1869, 309 (Costa 

 Rica).— Salvin, Proc. Zool. Soc. Lond., 1870, 200 (Mina de Chorcha and 

 Bugaba, Panama). — Boucard, Proc. ZooL Soc. Lond., 1878, 66 (San Carlos, 

 Costa Rica). — Sclater, Cat. Birds Brit. Mus., xiv, 1888, 295, part (Angostura, 

 Tucurriqui, and Turrialba, Costa Rica; Bugaba, Panama). — Salvin and God- 

 man, Biol. Centr.-Am., Aves, ii, 1889, 108, part (Angostura, etc., Costa Rica; 

 Bugaba, Mina de Chorcha, and Lion Hill, Panama). — Cherrie, Proc. U. S. 

 Nat. Mus., xiv, 1891, 536 (Costa Rica; descr. female). — Underwood, Ibis, 

 1896, 439 (Volcan de Miravalles, Costa Rica). 



[Piiprd] vientalis Sclater and Salvin, Nom. Av. Neotr., 1873, 54, part. — Sharpe, 

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



Pipra mentalis ignifera Bangs, Auk, xviii, Oct., 1901, 363 (Divala, Chiriqui, 

 Panama; coll. E. A. and O. Bangs). — Hellmayr, Ibis, 15, 1906 (monogr.). 



P[ipra] 7n{entalis] ignifera Hellmayr, Ibis, 1906, 3, 5 (in key). 



Chiroxiphia mentalis Lawrence, Ann. Lye. N. Y., vii, 1862, 296 (Lion Hill, 

 Panama) . 



PIPRA ERYTHROCEPHALA ERYTHROCEPHALA (Linnaeus). 

 YELLOW-HEADED MANAKIN. 



Adult male. — Head and neck, except cliin and throat, intense 

 orange-yellow (cadmium yellow to orange"), deepest posteriorly, 

 where usually margined by a line (more or less broad, usually very 

 narrow) of orange-red; thighs white with a patch of scarlet covering 

 lower half (more or less) of outer side; rest of plumage uniform glossy 

 blue-black, the axillars and under wing-coverts duller black, the inner 

 webs of remiges dusky grayish brown, or sooty; bill pale brownish or 

 brownish white in dried skins, the maxilla pale brown or gra^ash, the 

 mandible white in life'' or whole bill pearl white ;'^ iris snow white or 

 cream white '^ (rarely grayish white''); legs and feet pale flesh color 

 or pinkish white'' or pearl gray;'' length (skins), 78-99 (82); wing, 

 51-59 (57.9); tail, 14.5-21.5 (19.2); exposed culmen, 8.5-10 (9.5); 

 tarsus, 13-14.5 (13.7); middle toe, 8.5-10 (9.3).'^ 



Adult female. — Above plain dull olive-green, sometimes slightly 

 more yellowish on pileum and hindneck, and more grayish on upper 

 back; beneath pale olive-yellowish or olive-buffy, the chest light olive, 

 the sides and flanks more or less strongly tinged with the same ; axil- 

 lars and under wing-coverts pale primrose yellow or yellowish wliite ; 

 bill, iris, and feet as in adult males; length (skins), 84-98 (90); wing, 



"Ridgway's Nomenclature of CoIdi-s, pi. 6, fig. 3. c Cherrie. 



bS. N. Klages, manuscript. d Thirty-five specimens. 



