14 



*24. Ibvcter americanus americanus (Bodd.), 

 Tabl. PI. Enl., p. 25 (1783). [Cayenne.] 

 Red-throated Caracara. 



Wing (? 335-59, ? 355-60 mm. ; plumage 

 black with greenish reflections, but abdo- 

 men white ; face and throat deep red. 



Tropical S. 

 America from 

 Panama to the 

 Guianas, Brazil, 

 Ecuador and 

 Peru. 



*24a. Ibvcter americanus guatemalensis subsp. nov. Guatemala 



[ad. $ ? Guatemala, T. C. Eyton coll., in coll. and Central 



H. Kirke Swann, wing 390 mm.] America. 

 Northern Red-throated Caracara. 



Larger, with longer wings and tail ; wing <^ 

 (B.M. Guatemala examples) 376-82 ; ? 385-90. 



25. Ibycter megalopterits 

 Caes., xvi., SuppL, i. 

 [Chile.'] 

 Mountain Caracara. 



(Meyen), Nov. Act. 

 p. 64, pi. 7 (1834). 



Wing ad. 370 mm. ; plumage black with 

 greenish reflections, but upper tail coverts, 

 base and tip of tail and abdomen white. 



S. America, 

 Pacific side of 

 Andes. 



26. Ibycter albigularis albigularis (Gould), P.Z.S., Patagonia. 

 1837, p. 9. [Santa Cruz, type in Brit. Mus.] 

 White-throated Caracara. 



\Mng ad. 395 mm. 



above brownish black ; 

 upper tail-coverts, base and tip of tail and 

 entire under parts white ; sides irregularly 

 marked with black. 



27. Ibycter albigularis circumcinctus Scott, Auk, 

 xxvii., 1910, p. 152. [Chubut, Patagonia.] 

 Scott's Caracara. 



Wing c? 410 mm. ; plumage black ; rump, 

 upper tail-coverts and base and terminal 

 band on tail white ; below white with a 

 variable band of black across lower throat. 



Patagonia, 

 E. of Andes. 



