101 



Wing cJ 360-380, ? 390-410 mm. ; above 

 blackish-slate, most of feathers tipped or 

 barred with white ; head, neck and under- 

 parts white ; basal half of tail black, ter- 

 minal white. 



169. Leucopternis lacernulata (Temm.), PI. Col. S.E. Brazil. 

 1, pi. 437 (1827). [Brazil.] 

 White-headed Hawk. 



Wing (J 295, $315 mm. ; above more slate 

 coloured, with less white variegation : 

 head and hind neck shaded with greyish ; 

 tail with narrow sub-terminal black band 

 on white apical half. 



170., Leucopternis kuhli Bp., Consp. Av. 1, p. 19, Amazonia, from 

 1849. [No loc. : Para, apud Chubb.] Para to 



White-browed Hawk. E. Peru. 



Wing cJ 212, $ 220 mm. ; smaller ; above 

 slate-black ; above eye a white stripe, and 

 nape streaked and margined with same ; 

 tail black, tipped with ashy-brown, with 

 a median band of white ; below white 

 narrowly streaked with black on sides 

 of chest. 



471. Leucopternis melanops (La.th.),lnd.OTn.l., Guiana; 



p. 37 (1790). [Cayenne.] N.Brazil to 



Black-faced Hawk. E. Ecuador. 



Wing S 210, ? 230 mm. ; head, neck and 

 lower parts white ; lores and stripe behind 

 eye black ; crown and nape streaked with 

 black ; back and wings black with large 

 spots of white, except on quills ; tail black 

 with broad band of white about a third 

 from end. 



