14 FALCONIM. 



b. POLYBORIN.E. 



The RED-THROATED FALCON. IBYCTER aquilinus. Falco 

 aquilinus, Gmel. S. N. i. 280. PL enl. 417. F. nudi- 

 collis, Daud. F. formosus, Lath. I. leucogaster, Fieill. 

 F. Americanus, Bodd. 



a. b. South America. 



c. South America. From Baron Laugier's Collection. 



The BLACK CARACARA. DAPTRIUS ater, Fieill. N. Diet. 

 N. H. xvi. 387. Gal. des Ois. t. 5. Falco aterri- 

 mus, Temm. pi. col. 37 and 342. 



a. South Africa. From Mr. Leadbeater's Collection. 



The HOBBY BUZZARD. DAPTRIUS buson. Falco buson, 

 Daud. Tr. d'Orn. n. 168. Levaill. Ois. d'Afr. t. 21. 

 Buteogallus cathartoides, Less. Aquila urubutinga, 

 Spix. Av. Braz. t. 1. 6.? 



a. Adult. South America. 



b. Young. British Guiana. Presented by the Royal 

 Geographical Society. 



The CHIMACHIMA FALCON. MILVAGO chimachima. Poly- 

 borus chimachima, VieilL N. Diet. H. N. v. 259. 

 Milvago ochrocephala, Spix. Av. Braz. t. 5. Jard. 

 and Selby's III. Orn. t. 2. P. crotophagus, Pr. Max. 

 Falco degener, (///.) Lie/it. 



a. Adult. South America. 



b. Young. South America. 



c. South America. 



d. Adult male. Bahia. 



The CHIMANGO CARACARA. MILVAGO chimango. Poly- 

 borus chimango, Fieill. N. Diet. H. N. v. 260. Aquila 

 pezopora, Meyen. Nov. Act. xvi. t. 6. 



a. and 6. South America ? 



The LONG-WINGED CARACARA. MILVAGO megalopterus. 

 Aquila megaloptera, Meyen. Nov. Act. 1834. t. 8. 



a. Chili. Presented by C. Crawley, Esq. 



