59 



1 64 . Leucopternis 



GEfv. K. Vet. Akad. 

 [Brazil.] 

 Slate-coloured Hawk. 



schistacea (Sundev.) 

 Forh. 1849, p. 132. 



E. Peru 

 Colombia, 

 C. and N.E. 

 Brazil. 



164a. 



Smaller : Uniform leaden grey ; wings and tail 

 black, latter with a median bar of ashy- 

 white ; under wing-coverts white and tibial 

 plumes barred with same. 



Leucopternis schistacea plumbea Salv., Ibis, Ecuador, 

 1872, p. 240, pi. viii. [Ecuador.] W. Colombia 



Plumbeous Hawk. 



165. 



165a. 



General plumage white ; head streaked with 

 black, neck all round white ; mantle and 

 wing-coverts black varied with white ; quills 

 black ; tail white with broad sub-terminal 

 black band. 



Leucopternis albicollis alhicollis (Lath.), Ind. 

 Orn. 1, p. 36 (1790). [Cayenne.] 

 White -collared Hawk. 



Similar, but rather smaller and with head 

 plumbeous ; upper parts plumbeous instead 

 of black ; black sub-terminal band on tail 



narrower. 



Leucopternis albicollis occidentalis 

 Ibis. 1876, p. 496. [Puna I.] 

 Puna White -collared Hawk. 



Guiana, 

 Trinidad, 

 Venezuela, 

 N. Brazil. 



Salv. W. Ecuador. 



166. 



Larger ; above and below white ; tail with 



broad sub-terminal black band ; greater 



wing-coverts and secondaries black tipped 



with white ; primaries black. 



Leucopternis ghiesbrechti, Du Bus. Esq. S. Mexico 



Orn. pi. 1 (1845). [S. Mexico.] to 



Ghiesbrecht's Hawk. Panama. 



161 



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. 



Leucopternis palliata (Pelz.), Sitz. Akad. 

 Wien. xliv., p. 11. (1861, ex Natterer.) 

 [Ypanema.] 

 Mantled Hawk. 



S. Brazil. 



