157 



Wing ad. 296 mm. ; general colour lead 

 grey, the primaries blackish ; tail black in 

 adult, in younger birds with 2 or more 

 bands of white ; cere, lores, gape and feet 

 orange yellow ; bill black ; iris red. 



Gen. LXXVII. CHONDROHIERAX Less. (1843). 

 Type by monotypy DcBdalion erythropus Less. = Falco uncinatus 



lUiger. 

 [ =Regerhinus Kaup.] 



Tail rounded, outer feather shorter than middle 

 one ; loral space bare ; upper mandible without a 

 tooth. Size moderate, length under 18 in. 



*253. Chondohierax uncinatus (Illiger) in Temm., 

 PI. Col., i., hvr. 18, pi. 103, 104, 115 (1824). 

 [Brazil = Rio Janeiro, apud Chubb, type in 

 Leyd. Mus.] 

 Hook-billed Kite. 



Wing (? 272-276, ? 290, tail 190 mm. ; 

 above and below bluish slate, with narrow 

 irregular bars of white below in less mature 

 birds ; primaries blackish shaded with slate 

 grey ; secondaries whitish below, barred 

 and tipped with black ; tail ashy grey with 

 2 bands of black ; under tail-coverts buff ; 

 bill black. First mature plumage generally 

 browner, with a rufous collar round hind 

 neck ; below banded with tawny rufous 

 and ochraceous buff. 



Guiana, 

 Venezuela, 

 Ecuador, Brazil, 

 BoUvia ; 

 Trinidad, 

 Grenada ; 

 Centr. Amer. to 

 Yucatan. 



254. Chondrohierax megarhynchus (Des Murs), 

 in Casteln., Voy., Ois., p. 9, pi. i. (1855). 

 [Sarayacu, type in Paris Mus.] 

 Large-billed Kite. 



Larger (wing <? 285, ? 304-318 mm.) and 

 with a larger bill (culmen 50-64 mm. against 

 40-43 mm. in typical form.) 



E. Peru, Andes 

 of Venezuela ; 

 Bohvia. 



