60 



168. 



161). 



17(1. 



17] 



172. 



Above juorc jslate coloured, ■with less whit(! 

 Vciricgation : neck shaded with greyish ; 

 tail with narrow sub-terminal black band on 

 Avhite apical half. 



Leiico2)ternis lacernulata (Tenim.). PI. Col. 

 1, pi. 437 (1827) [BrnziL] 

 White-headed Hawk. 



Smaller : above .«late-black ; abo\e eye a 

 white stripe, and nape streaked and margined 

 with same ; tail black, tipjaed with ashy- 

 brown, with a median band of white ; below 

 white narrowly streaked with black on sides 

 of chest. 



Leucopternis knhli Bp.. Consp. A v. 1. p. 19, 

 1849. [Para.'\ 

 White-browed Hawk. 



Above black ; head, neck and lower parts 

 white ; lores and stripe behind eye black ; 

 croAvn and nape streaked with black ; tail 

 black M'ith broad band of A^hite about ^rd 

 from end. 



Leiico'pternis melanops (Lath.). Ind. Orn. 1, p. 

 37 (1790). [Cayenne.] 

 Black-faced Hawk. 



Above uniform i)lumbeous ; wings and tail 

 black ; latter with a narroAv band of white 

 near middle ; below white with a few black 

 shaft stripes on sides of breast. 

 Leucopternis serni-pjlnmhea (Lawr.) Ann. 

 Lye. N.Y. vii., p. 288 (1861). \J'(ni(ann.] 

 Semi-]ilumbeous HaAvk. 



Above, also throat andforeneck, slaty-black, 

 below white narrowly barred with black ; 

 tail black with a median band of A\hite. and a 

 few anterior incomplete bars of same. 

 Le%ico'pternis princeps Sclat.. P.Z.S. 1865, p. 

 429, pi. xxiv. [Costa Bir.a.] 

 Barred Hawk. 



8.E. Brazil 



N.E.Brazil. 



Cluiana : 

 N. Brazil. 



Colombia 

 and Panama 

 to Costa 

 Rica. 



Costa 

 Rica. 

 N. Ecuador. 



Cen. XL. HARPYHALIAETU8 Lafr. (1842.) 



Much larger than Buteo ; Head with a long 



occipital crest ; tail short, not three times as long 

 as tarsus. 



