1919-] Ecuador, P cm ^ Bolivia, and Argentina. 281 



Parabuteo unicinctus. 



Fnico unicincliis Temm. PI. Col. i. 1824, pi. 13 : 

 " Hresii." 



Urubitiriga nnicincta Tacz. Orn, Per. i. 1884, p. 106: 

 Cutervo : Lonnb. Ibis, 1903, p. 465 : Bolivian Cliaco, 



No. 185. ? . Trujillo, N.W. Peru, 1 Jan. 1913. 

 •' Iris brown ; feet yellow ; bill plumbeous, cere yellow 

 [Brabourne). 



No. 1379. ?. Eten, Peru, 15 metres, 13 Oct. 1899. 

 " Gavalon." 



No. 2937. ? . (Jharuplaya, Bolivia, 1350 metres, 22 .Tune, 

 1901. " Aquilucho.'' 



Nos. 1379 and 2937 are both in fully adult plumage. 

 No. 185, which is in immature plumage, was collected 

 and presented to the British Museum by the late Lord 

 Brabonrnc. 



Buteo melanoleucus. 



Spizuctus melanoleucus Vieill. N. Diet. d'Hist. Nat. xxxii. 

 1819, p. 57 : Paraguay. 



Gerancelus melanoleucus Salvad. & Festa, Boll. Mus. 

 Torino, xv. 1900, No. 368, p. 30: Ecuador. 



No. 282. Sinche, Guaranda, Ecuador, 4000 metres, 

 22 Dec. 1898. '^ Gavalon." 



This example is in the I'ully adult plumage. 



Buteo erythronotus. 



Haliuetus erythronotus King, Zool. Journ. iii. 1828, p. 424: 

 Straits of Magellan. 



Buteo erythronotus Tacz. Orn. Per. i. 1884, p. 115 : 

 Junin, Pacasmayo, Guadalupa, Tumbez, Paucal, Cutervo, 

 Paucartambo; Scl. & Salv. P.Z.S. 1879, p. 637: Bolivia. 



Nos. 1254?, 1255 c?. Eten, N.W. Peru, 15 metres, 

 21 Sept. 1899. *' Gavalon.'^ '• Iris hazel ; feet yellow ; 

 bill blue-bronze" (P. O. Simons). 



This bird is fully adult with the upper back rufous ; tail 

 white narrowly barred with brown and with a broad blackish 



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