BIRDS OF NORTH AND MIDDLE AMERICA 415 



bean) coast of Colombia). — Griscom and Greenway, Bull. Mus. Comp. 

 Zool., Ixxxviii, No. 3, 1941, 114 (Lower Amazonia; Lago Grande; spec). — 

 Brodkorb, Misc. Publ. Mus. Zool. Univ. Michigan, No. 56, 1943, 28 (Mexico: 

 Tabasco — La Palma; Campeche — Palizada spec; crit.). — Gyldexstolpe, 

 Kungl. Svenska Vet.-Akad. Handl., xxii, No. 3, 1945, 28 (Rio Jurua, w. Brazil; 

 spec; meas.); Kungl. Svenska Vet.-Akad. Handl., xxiii. No. 1, 1945, 53 (n. 

 Bolivia; spec; meas.). — Dugand and Borrero, Caldasia, iv, 1946, 140 

 (Colombia, Isla Ronda; spec). 



Falco busarellus Daudin, Traite d'Orn., ii, 1800, 168 (Cayenne). — Latham, Suppl. 

 Index Orn., 1801, vi.— Maximilian, Beitr. Naturg. Bras., i, 1830, 213 (Cabo 

 Frio, Rio Parahyba, Campos, Goaytacaceo, Marica, Lagoa Feia, and Coral 

 de Battuba, Brazil). 



Falco buzarellus Shaw, Gen. Zool., vii, pt. 1, 1809, 203 (Cayenne). 



Circus busarellus Vieillot, Nouv. Diet. Hist. Nat., iv, 1816, 453 (Guiana); 

 Encycl. Meth., iii, 1823, 1212. 



Buteo busarellus Vigors, Zool. Journ., i, 1824, 340. — Stephens, in Shaw's Gen. 

 Zool., xiii, pt. 2, 1826, 46 (Cayenne).— Lesson, Traits d'Orn., 1831, 80. — 

 d'Orbigny, Voy. Amer. M^rid, iv, pt. 3, 1839, 103, part (provinces of Chiquitos 

 and Moxos, Bolivia). — D'Orbigny and Lafresnaye, Synop. Avium, 1839, 

 6, part (Chiquitos and Moxos, Bolivia). — Hellmayr, Nov. Zool., xxviii, 

 1921, 185 (syn.). 



Buteo (Ichthyoborus) busarellus Kaup, Mus. Senckenb., iii. Heft 3, 1845, 261 

 (South America). 



Ichthyoborus busarellus Kaup, Isis, 1847, 84 bis, footnote. — Cabanis, in Schom- 

 burgk's Reis. Brit. Guiana, iii, 1848, 739. — Bonaparte, Rev. Mag. Zool. 

 vi, 1854, 533. 



Buteogallus busarellus Bonaparte, Consp. Gen. Av., i, 1850, 17. 



Falco melanobronchos Shaw, Gen. Zool., vii, pt. 1, 1809, 167 (Cayenne; new name 

 for Falco nigricollis Latham). 



Circus leucocephalus Vieillot, Nouv. Diet. Hist. Nat., iv, 1816, 465. 



Aquila milvoides Spix, Av. Bras., i, 1824, 5, pi. 1 d (Rio Amazon, Brazil). 



Morphnus milvoides Cuvier, R6gne Anim., i, 1829, 330. 



Haliaeetus milvoides Gray, List Spec. Brit. Mus., pt. 1, Accip., 1844, 12. 



Buteo (Ichthyoborus) milvoides Kaup, Mus. Senckenb., iii, Heft 3, 1845, 261 (South 

 America). 



Busarellus nigricollis macropus Swann, Synop. Accip, ed. 2, 1922, 95 (Tally Pan, 

 Manatee River, British Honduras; coll. Mus. Comp. Zool.); Monogr. Birds 

 of Prey, i, 1930, 448 (monogr.).— Bangs, Bull. Mus. Comp. Zool., Ixx, 1930, 

 190 (type spec, in Mus. Comp. Zool. = Busarellus nigricollis nigricollis) . 



Busarellus nigricollis australis (not of Swann) Bond and de Schauensee, Proc. 

 Acad. Nat. Sci. Philadelphia, xcv, 1943, 178 (Chatarona, Bolivia). 



Genus URUBITORNIS Verreaux 



Urubitornis Verreaux, Athenaeum, No. 1493, June 7, 1856, 717; Proc. Zool. 

 Soc. London, Nov. 11, 1856, 145. (Type, by monotypy, Circaetus solitarius 

 Tschudi.) 



Large, heavily built "Urubitingas" (wing up to 550 mm.) with out- 

 stretched feet extending to or beyond tip of tail, relatively short 

 primaries, rather large, circular nostrils, and long, stout tarsi, re- 

 sembling Hypomorphnus but much larger and more stoutly built, the 

 tarsi more robust and without a continuous series of transverse scuteUa 



