57 



1 .")!). Rupornis leucorrhos (Qiioy et Gaiin.), Voy. Brazil to 

 tie. rUran. p. 1)1, pi. l.*} (1824). [Brazil.] Peru, 

 White-riiini)ed HaAvk. Colombia, 



Venezuela. 



Gen. XXXVI. BUSARELLUS Lafr. (1842.) 



Size of Buteo ; sole of foot covered with rugose and 

 tlirony spicules (like that of Pandion) tip of upper 

 mandible nnich curved. 



Above bright chestnut, with narrow black 

 shaft stripes ; outermost wing-coverts and 

 quills black ; basal half of tail chestnut 

 banded Avith black, apical half black with 

 narrow white tip ; head and neck creamy 

 buff ; lower throat black ; below chestnut. 

 160. Bnsarellus nigricoUis (Lath.), Ind. Orn. 1, p. 

 35 (1790). [Cayenne.] 

 Black-collared HaAvk. 



Brazil, 

 Guiana, 

 Peru, 

 Paraguay. 



Gen. XXXVII. BUTEOGALLUS Less. (1831.) 



Size nearly the same ; outer toe hardly longer than 

 inner : soles of feet smooth, Avings short of tail 

 by less than length of hind toe. 



Plumage above black, Avith rufous margins on 

 mantle and AA'ing -co Averts ; quills bright 

 chestnut, the outer Avebs black ; tail black 

 with white tip and indistinct median band of 

 white ; throat blackish ; below rufous, 

 narroAvly barred Avith black. 

 161. Buteogallns cequinoctialis (Gmel.). S.N. i. Guiana ; 

 p. 265 (1788). [Cayenne.] Colombia, 



Equinoctial Buzzaid. Paraguay 



Gen. XXXVIII. 

 Rather larger : tarsus 



URUBITINGA Lafr. (1837). 



scutellate before and 

 behind, reticulated laterally ; distance between tips 

 of wing and tail greater than length of hind toe ; 

 secondaries nearly as long as primaries ; general 

 plumage black. 



Above and below black ; upper tail-coA^erts 

 mostly white ; basal half of tail Avhite with a 

 broad black band ; apical half black Avith 

 white tip. 



