8 



20. 



Above black, mantle only with creanij^ buff 



wavy bars ; upper tail-coverts white ; tail butl 



with 13 or 14 black bars and a broad terminal 



band. 



Polyborns cheriivay (Jacq.), Beitr., p. 17, tab. 



4 (1784). 



Audubon's Caracara. 



Paler insular race. 



20a. Polyborus ckeriway pallidus Nelson, Pr. Biol. 



Soc, Wash., xii., p. 8 (1898). 



Tres Marias Caracara. 



General plumage marked with transverse bars 

 of brownish black and brownish white ; crown, 

 wing-coverts, terminal portion of primaries 

 and terminal band on tail blackish bro-^n. 



21. Polyborus lutosus Ridgw., Bull. U.S. Geol. 

 Surv.Terr.,i,p.459(1875). 



Guadeloupe Caracara. 



Gen. XV. IBYCTER Vieill. (1816). 



Head generally with recurved crest. 

 Nostrils round. Size variable (16-25 in.). 



Plumage black with greenish reflections ; a 

 white band across base of tail. 



22. Ibycter ater (Vieill.), Analyse, p. 22 (1 816). 

 Yellow-throated Caracara. 



Plumage black with greenish reflections, but 

 abdomen white ; face and throat deep red. 



23. Ibycter americanus (Bodd.), Table PL Enl., 

 p.'25 (1783). 



Red-throated Caracara. 



Plumage black with greenish reflections, but 

 upper tail coverts, base and tip of tail and 

 abdomen white. 

 24. Ibycter megalopteriis (Meven), Nov. Act. Caes., 

 xvi., Suppl., i., p. 64, pi. 7 (1834). 

 Mountain Caracara. 



S. United 



States, 



Central 



America, 



Northern 



S. America. 



Tres Marias 

 Is., W. 

 Mexico. 



Guadeloupe 

 Is., W. 

 Mexico. 



Amazon 

 District of 

 S. America. 



Tropical S. 

 America and 

 Central 

 America, 

 from Brazil 

 to Guate- 

 mala. 



S. America, 

 Pacific side 

 of Andes 



