26 



Wing (^ 175, 9 195 mm. ; above slate or 

 rufous (rufous phase) ; tail with 3 greyish 

 white bands ; below greyish white, rather 

 hnely but not closely barred with greyish 

 black ; throat white, fore-neck and chest 

 rufous. 



*52. Climacocercus zonothorax Cah., j.i.U., 1865, Colombia, 

 p. 406. [Porto Cabello, Venez., type in \'enezuela. 

 Berlin Mus.] 

 Barred Harrier-Hawk. 



Wing c? 178, ? 183 mm. ; above blackish 

 brown, head blacker with irregular white 

 nuchal collar ; tail blackish, with 3 narrow- 

 white bands (4 in immature birds) ; below 

 thickl}' barred with black and white ; throat 

 white, foreneck brown. 



53. Cliniacocercus gilvicoUis (V'ieill.), N. Diet., 

 X., p. 323 (1817). [Pair. ign. : Cayenne} 

 type in Paris Mus.] 

 White-throated Harrier-Hawk. 



Wing S 168, ? 182 mm. ; above (male) 

 ash}^ 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. 



Guiana & 

 Amazonia to 

 Ecuador E. 

 Peru, X.E. 

 Bolivia, and tc 

 10^ S. lat. in 

 Brazil. 



54. Climacocercus plnmbeus (W. Sclat.) Bull. 

 B.O.C., xxxviii., p. 44 (1918). \Cafondelet, 

 Rio Bogota, piov. Esmeraldas, type in 

 B. M.] 

 Plumbeous Harrier-Hawk. 



N.W. Ecuador. 



Tail with only one white band ; general 

 colour greyer than in gilvicollis ; wing o 

 (type) 178 mm. 



