CHERRIE: ORNITHOLOGY OF THE ORINOCO REGIOX. 343 
Urubitinga urubitinga (Gmelin). 
Falco urubitinga Gm., Syst. Nat. I. 1788. p. 265. 
Urubitinga sonura Berlepsch, Ibis 1884. p. 436 (Angostura). 
Urubitinga urubitinga Berlepsch & Hartert, p. 113. 
Eye seal brown ; bill black, slate color at base ; cere and at corners of 
the mouth chrome yellow ; lores and bare skin about eye sulphur yellow ; 
feet chrome yellow. 
Common, noted at all points visited along the river. On two 
occasions I caught birds of this species feeding on eggs of the Hoatzin 
( Opisthocomus hoacin ) . 
Urubitinga anthracina (Nitzsch). 
Falco anthracina Nitzsch, Syst. Pteryl. 1840: p. 83 (Mexico). 
Urubitinga anthracina Stone, Proc. Ac. Nat. Sci. Phil. 1913: p. 195, 
(La Pedrita, Rio Uracoa). 
Stone records it from the delta country. 
Heterospizias meridionalis (Latham). 
Falco meridionalis Lath.. Ind. Orn. L 1790. p. 36. 
Heterospizias meridionalis Berlepsch & Hartert, p. 113. 
Native name Pita Venado. Not uncommon in thinly wooded savan- 
na regions. 
Eye golden brown ; bill black, blackish at base ; cere ciirome yellow : 
feet chrome yellow. 
This species is thoroughly detested bj^ the hunter who may be 
bent on bagging venison, for his game is very frequently startled by 
the alarm notes of this hawk, which perched on the topmost branch 
of some tall tree is sure to note the skulking form of the hunter and 
instantly sound an alami understood by all the woods people. 
Tachytriorchis albicaudatus exiguus Chapman. 
Tachytriorchis albicaudatus exiguus Chapman, Bull, .A.m. Nat. Hist. 
XXXIV: 1915: 637 (Type ex Barrigon, Rio Meta, Colombia). 
Chapman records a specimen from Maripa, Venezuela. 
BusARELLus NiGRicoLLis (Latham). 
Falco nigricoUis Lath., Ind. Orn. I. 1790. p. 35. 
Busarcllus nigricollis Berlepsch & Hartert, p. 113. 
