*52. 
26 
Wing ¢ 175, ? 195 mm.; above slate or 
rufous (rufous phase) ; tail with 3 greyish 
white bands ; below greyish white, rather 
finely but not closely barred with greyish 
black ; throat white, fore-neck and chest 
rufous. 
Climacocercus zonothorax Cab., J.f.0., 1865, 
p- 406. [Porto Cabello, Venez., type in 
Berlin Mus.] 
Barred Harrier-Hawk. 
Wing ¢ 178, 2 183 mm.; above blackish 
brown, head blacker with irregular white 
nuchal collar ; tail blackish, with 3 narrow 
white bands (4 in immature birds) ; below 
thickly barred with black and white ; throat 
white, foreneck brown. 
Climacocercus gilvicollis (Vieill.}, N. Dict., 
x., p. 323 (1817). [Patr. ign.: Cayenne? 
type in Paris Mus.] 
White-throated Harrier-Hawk. 
Wing ¢ 168, 2 182 mm.; above (male) 
ashy brown (female blackish) ; tail blackish 
with 3 irregular white bands (4 in imma- 
ture ; below whitish, breast finely barred 
with wavy blackish lines ; lower abdomen 
white ; throat pale grey. 
Climacocercus plumbeus (W. Sclat.) Bull. 
B.O.C., xxxvili., p. 44 (1918). [Cavondelet, 
Rio Bogota, piov. Esmeraldas, type in 
B. M.] 
Plumbeous Harrier-Hawk. 
Tail with only one white band; general 
colour greyer than in gilvicolus; wing 3 
(type) 178 mm. 
Colombia, 
Venezuela. 
Guiana & 
Amazonia to 
Ecuador E. 
Peru, N.E. 
Bolivia, and to 
10° S. lat. in 
Brazil. 
N.W. Ecuador. 
