14 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Adults (sexes alike) .—Wing, 482-508 (495); tail 228-257 (244); 

 culraen 33-37 (35.5); tarsus 90.4-93.3 (92.1); middle toe 76-84.2 

 (81.5 mm.). '3 



Range. — Tropical continental xVmerica from central Mexico (acci- 

 dentally to southern Arizona (Rio Verde) and formerly (1775) to 

 St. Johns River, Fla.) south to Peru, Bolivia, Paraguay, and northern 

 Argentina (Misioncs, Salta, Jujuy, Tucuman, La Rioja, Santa Fe); 

 also Trinidad (formerly), but not in any of the West Indian Islands. 



Type locality. — Surinam. 



Vulhir papa Linnaeus, Syst. Nat., ed. 10, i, 1758, 86 (India occidental!; based on 

 Vultur elegans, Le Roi des Vaiitours, Edwards, Aves, 2, pi. 2; Vullur, Albin, 

 Av., 2, p. 4, pi. 4); ed. 12, i, 1766, 122.— Gmelin, Syst. Nat., i, pt. 1, 1788, 

 246. — Latham, Index Orn., i, 1790, 4. — Forster, in Levaillant's Hist. Nat. 

 Ois. d'Afr., 1798, pi. 13.— Daudin, Traite d'Orn., ii, 1800, 9, pi. 1.— Tem- 

 MiNCK, Cat. Syst., 1807, 7.— Shaw, Gen. Zool., vii, pt. 1, 1809, 39, pi. 13.— 

 ScHOMBDRGK, Rels. Brit. Guiana, i, 1847, 464, 465 (Pirara, Brit. Guiana; 

 habits; descr. female). — Miller, Condor, x.x.xiii, 1931, 71 (osteology). — 

 Harper, Auk, liii, 1936, 390, text. — American ORNiTnoLOGLSTs' Union, Auk, 

 Ixii, 1945, 439 (nomencl.). 



Cathartes papa Illiger, Prodromus Orn., 1811, 230. — Lichtenstein, Verz. 

 Saug. und Vogel Mas. Bcriin, 1818, 30.— Spix, Av. Eras., 1, 1824, 1, pl. 1 

 (young plumage). — Bonaparte, Ann. Lye. Nat. Hist. New York, il, pt. 1, 

 1826, 23; Contr. Maclurian Lye, i, 1827, 10. — Maximilian, Beitr. Naturg. 

 Bras., iii, pt. 1, 1830, 56 (Rio Itapimirim, Rio Peruhype, Rio IlMos, and 

 Capitas Filioberto), — Nuttall, Man. Orn. United States and Canada, 

 Land Birds, 1832, 40; ed. 2, 1840, 39.— Schlegel, Mus. Pays-Bas, ii, No. 10, 

 livr. 2, 1863, 1 (monogr.) ; No. 36, livr. 10, 1873, 138.— Sharpe, Cat. Birds 

 Brit. Mus., i, 1874, 22 (Mexico; Brit. Guiana; Rio Amazon); Linn. Soc. 

 London Journ. Zool., xiii, 1876, 18, map 2 (geogr. range). — Lawrence, U. S. 

 Nat. Mus. Bull. 4, 1875, 43 (Tehuantepec, Oaxaca). — Boucaud, Liste Ois. 

 Recol. Guat., 1878, 21 (Guatemala; habits); Proc. Zool. Soc. London, 1878, 

 45 (San Mateo, Costa Rica). — Sumichrast, La Naturaleza, v, 1882, 235 

 (Veracruz; Rfo Coatzacoalcos). — Lillo, Bol. Ofic. Quimica Tucumdn, ii, 



1889, 77 (Tucumdn). — Holmberg, Segundo Censo. Argent., i, Aves, 1898, 

 504 (descr.); El Hornero, vii, 1939, 154 (Argentina; common names). — 

 Reiser, Denkw. Mat.-Nat. Akad. Wiss. Wien, 1910, 88 (Rio Parnahyba, 

 ne. Brazil).— Harper, Auk, liii, 1930, 383, te.xt (descr.). 



Gypagus papa Vieillot, Nouv. Diet. Hist. Nat., xxxvi, 1819, 456, pl. R. II, fig. 

 1. — Vieillot and Oddart, Gal. Ois., i, 1825, 11, pl. 3. — Sclater and Salvin, 

 Proc, Zool. Soc. London, 1879, 542 (Colombia), 639 (Bolivia). — American 

 Ornithologists' Union, Check-list, 1886, 352 (Hypothetical List, No. 12); 

 ed. 2, 1895, 329 (Hypothetical List, No. 12).— Ferrari-Perez, Proc. U. S. 

 Nat. Mus., ix, 1886, 109 (Veracruz).— Salvin, Ibis, 1880, 78 (Brit. Guiana).— 

 RiDGWAY, Man. North Amer. Birds, 1887, 219. — Zeled6n, Anal. Mus. 

 Nac. Costa Rica, i, 1887, 127 (Costa Rica). — Quelch, Timehri, ser. 2, iv, 



1890, 327 (Berbice, Brit. Guiana). — Allen, Bull. Amer. Mus. Nat. Hist., v, 

 1893, 148 (Chapada, Matto Grosso, sw. Brazil); xiii, 1900, 129 (Bonda, 



" Five specimens, three males, two females. Also several unsexed adults 

 examined, with similar measurements. The middle toe without the claw is 20 

 to 23 mm. shorter than the measurements given for the whole toe. 



