59 



l(i4. Leucopternis schi-stacea schistacea (Siiiuk'v.) E. Peru 



CEfv. K. Vet. Akad. Forh. 1840, ]^. 132. Colombia, 



[Brazil.] C. and N.E. 



Slate-coloured Hawk. Brazil. 



Smaller : Uniform leaden gre}^ ; wings and tail 

 black, latter A\'ith a median bar of ashy- 

 white ; under wing-coverts white ai^d tibial 

 ])Iumcs barred with same. 

 I(i4a. Leucopternis schistacea plumhea Sal v., Ibis, 

 1872, p. 240, pi. viii. [Ecuafhr.] 

 Plumbeous HaAvk. 



Ecuador, 

 \V. Colombia 



16,-). 



General plumage M'hite ; 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 albicoUis albicollis (Lath.), lud. 

 Orn. 1, p. 36 (17J)0). [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. 

 165a. Leucopternis albicollis occidentalis Sal v. 

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

 Puna White -collared Hawk. 



Guiana, 

 Trinidad, 

 Venezuela, 

 N. Brazil. 



W. Ecuador. 



166. 



Larger ; above and below white ; tail with 

 broad sub-terminal black band ; greater 

 Aving-coverts and secondaries black tipped 

 with white ; primaries black. 

 Leucopjternis ghiesbrechti, Du Bus. Esq. 

 Orn. pi. 1 (1845). [>S'. Mexico.] 

 Ghiesbrecht's Hawk. 



S. Mexico 



to 

 Panama. 



167. 



Above blackish -slate, most of feathers tij^ped 

 or barred with white ; head, neck and under- 

 parts white ; Imsal half of tail black, ter- 

 minal white. 



Leucopternis ^:*a&'aia (Pelz.), Sitz. Akad. 

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

 [Ypanema.] 

 Mantled Hawk. 



S. Brazil. 



