102 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



PIRANGA ERYTHROCEPHALA (Swainson.) 

 RED-HEADED TANAGER. 



Adult male. — Pileum bright red (vermilion or orange- vermilion) ; rest 

 of upper parts uniform bright yellowish olive-green, the edges of 

 primaries and rectrices more decidedly yellowish; lores blackish; 

 auricular, suborbital, and malar regions, chin, and throat pale vermilion 

 or pinkish red, with a silvery gloss; rest of under parts rich lemon 

 yellow, becoming paler posteriori}^ (under tail-coverts canary yellow), 

 the sides and flanks tinged with olive-green; edge of wing lemon 

 yellow; bill blackish, the mandi])le more grayish (bluish gray in life?), 

 legs and feet duskj^ (in dried skins), length (skins); 147.3-148.6 (147.8); 

 wing, 67.3-74.4 (70.1); tail, 63-69.3 (65.5); exposed culmen, 11.9-12.2; 

 depth of bill at base, 7.4-7.9 (7.6); tarsus, 19.3-20.1 (19.8); middle 

 toe, 11.7-12.4 (12.2.) 1 



Adult female. — Pileum yellowish olive-green, becoming j^ellow 

 (safi'ron or dull gamboge) on supraloral region; hindneck, back, scapu- 

 lars, rump, and upper tail-coverts grayish olive-green, more strongly 

 tinged with gra}' posteriorly; wings and tail clearer olive-green than 

 back, etc., the edges of primaries almost yellow; lores dusky grayish; 

 lower eyelid whitish; auricular region dull gra3dsh; malar region, chin, 

 throat, and chest dull lemon or gamboge yellow, the breast and upper 

 abdomen similar but rather paler; flanks light grayish ])rown; under 

 tail-coverts and anal region pale bufl'y; bill and feet as in adult male; 

 length (skins), 132.1-142.2 (138.7); wing, 65.3-68.6 (67.1); tail, 58.9- 

 60.7 (59.7); exposed culmen, 12.7-14 (13); depth of bill at base, 7.6; 

 tarsus, 19.1-20.1 (19.6); middle toe, 11.7-12.7 (12.2.)' 



Young female, nestling plumage. — Similar to the adult female, but 

 plumage of looser texture, and colors duller; Imck. scapulars, rump, 

 and upper tail-coverts more brownish olive; yellow of under parts 

 much duller, tinged with olive. 



Western Mexico, in States of Oaxaca(Juquila; Totontepec), Mexico 

 (Temascal tepee; Valley of Mexico), Guanajuato, flalisco (San Sebas- 

 tian), Sinaloa (Plomosas), Chihuahua (Trompa), etc. 



Spermagra erythrocephala Swainson, Philos. Mag., new ser., i, 1827,437 (Temas- 

 cal tepee, Mexico). 



P{_yranga'\ erythrocephala Bonaparte, Rev. et Mag. de Zool., iii, Apr., 1851, 178; 

 Note sur les Tang., 1851, 29. — Baikd, Brewer, and Ridgway, Hist. N. Am. 

 Birds, i, 1874, 433. 



Pyranga erythrocephala Sclater, Proc. Zool. Soc. Lond., 1856, 125 (monogr. ); 

 1859, 377 (Juquilaand Totontepec, Oaxaca); 1864, 173 (Valley of Mexico); 

 Synop. Av. Tanagr., 1856, 49; Cat. Am. Birds, 1862, 81 (Mexico); Cat. Birds 

 Brit. Mus., xi, 1886, 192 (Juquila).— Du Bus, Esquis. Orn., 1845(?), pi. 32.— 

 DuGEs, La Naturaleza, i, 1868, 140 (Guanajuato) . — Salvin and Godman, Biol. 

 Centr.-Am., Aves, i, 1883, 294, pi. 17, fig. 2.— Ridgway, Ibis, 1883, 400 (crit.). 



[Pyranga'] erythrocephala Sclater and Salvin, Nom. Av. Neotr., 1873, 22. 



Plirangal erythrocephala Ridgway, Man. N. Am. Birds, 1887, 456. 



* Three specimens. ^ Four specimens. 



