9 



Above brownish black ; upper tail-coverts, 

 base and tip of tail and entire under parts 

 white ; sides irregularly marked with blacl:. 



25. Ibyder albigularis (Gould), P.Z.S., 1837, p. 9. Patagonia. 

 White-throated Caracara. 



Skin of face and throat wrinkled and orange 

 colour ; Plumage black ; rump, upper tail- 

 coverts, tips of quills, a broad terminal band 

 on tail, and vent white ; breast with drop- 

 shaped white marks. 



26. Ihycter carunculatus (Des Murs), Rev. et Mag. Highlands of 

 Zool., 1853, p. 154. Ecuador and 

 Carunculated Caracara. Colombia, 



Black ; rumj), upper tail-coverts and base and 

 terminal band on tail white ; below Mdiite witli 

 band of black across lower throat. 



27. Ibyder circumcinctus Scott, Auk, xxvii., 1910, Patagonia, 

 p. 152. E. of Andes. 

 Scott's Caracara 



Above and below black ; nape, outer upper 

 tail-coverts, throat and breast with lanceolate 

 white stripes ; tail broadly tipped Avith white. 



28. Ibycter mistralis (Gmel.), S.N., i., p. 259 (1788). Falkland Is. 

 Foster's Caracara. 



Gen. XVI. MILVAGO Spix. (1824). 

 Feathers on back of head erectile, forming 2 tufts ; 

 size small (about 16 in.). 



Above brown, with pale ashy margins ; head, 

 neck, basal two-thi'xls of tail, and under parts 

 white. 



29. Milvago chimacJmna (VieilL), N. Diet., v., p. Brazil and 

 259 (1816). Amazonia 

 Yellow-headed Caracara. to Guiana, 



Colombia & 

 Panama. 

 Above rufous brown ; head and neck with 

 black central streaks ; upper tail-coverts 

 white ; tail with broad subterminal dark band ; 

 below brownish ochre with dark shaft stripes. 



30. Milvago chimango (VieilL), N. Diet., v., p. 260 S. America 

 (1816). from S.E. 

 Chimango Caracara. Brazil to 



Tierra del 

 Fuego. 



