96 



Gen. XXXVIII. BUTEOGALLUS Less. (1831). 



Type by monotypy B. cathartoidcs Less. 

 [ = Falco cequinoctialis Gmel.]. 



Outer toe hardly longer than inner ; soles of feet 

 smooth, wings short of tail by less than length of 

 hind toe. 



161. Buteogalliis cequinoctialis (Gmel.), S.N. i. 

 p. 265 (1788). [Cayenne.^ 

 Equinoctial Buzzard. 



Wing S 310-325, ? 340 mm. ; plumage 

 above black, with rufous margins on mantle 

 and wing-coverts ; quills bright chestnut, 

 outer webs black ; tail black with white 

 tip and indistinct median band of white ; 

 throat blackish ; below rufous narrowly 

 barred with black. 



Guiana, 



Colombia, Brazil 

 Paraguay. 



Gen. XXXIX. URUBITINGA Latr. (1842). 



[ex. Less. Rev. Zool., 1839, p. 132, nom. nud.] 

 Type " Urubitinga" =^ Falco uruhitinga Gmel. 



Size of Biiteo ; tarsus long and stout, scutellated 

 before and behind, reticulated laterally ; distance 

 between tips of wing and tail greater than length 

 of hind toe ; secondaries nearly as long as prima- 

 ries ; general plumage black. 



*162. Urubitinga iinibitinga uruhitiuga (Gmel.), 

 S.N., i., p. 265 (1788). [Brazil.] 

 Brazilian Eagle. 



Wing 3 392-410, ? 405-450 mm. ; above 

 and below black ; upper tail-coverts mostly 

 white ; tail with base black, a central white 

 band equal to a third length of tail, the 

 apical third black, with white tip. 



Chile and 

 Argentina to 

 Brazil, Guiana, 

 E. Peru, Ecua- 

 dor, Venezuela, 

 Tobago. ^ 



1 I have 2 immature birds collected by Kirk in my collection ; wing measure- 

 ments 395 and 410 mm. 



