12 FALCONID^E. 



223. ELANUS, Savigny, 1809. 



661. leucurus (Vieill.), N. Diet. d'Hist. Nat. xx. South America generally, 

 p. 563, 1818 {Paraguay). 

 White-tailed Kite. Bailarin : Halcon bianco. 



224. GAMPSONYX, Vigors, 182.5. 



662. SWainsoni, "Vigors, Zool, Journ. ii. p. 69, 1825 Venezuela : Trinidad : 

 (Bahia). Guiana :* Brazil : 



Swainson's Pearl-Kite. Paraguay. 



225. HARPAGUS, Vigors, 1821. 



663, diodon (Temm.), PI. Col. i. pi. 198, 1824 South Brazil, Rio Grande 



(" Brlsil "). do Sul to Bahia. 



Red-thighed Hawk. 



664. bidentatus (Lath.), Ind. Orn. i. p. 38, 1790 Peru : Guiana : 



(" Cay ana"). Venezuela: Colombia. 



Double-toothed Hawk. 



226. ICTINIA, Vieill., 1816. 



665. plumbea (Gmel.), Syst. Nat. i. p. 283, 1788 South America generally, 

 (" Habitat in Cayenna ")< to Paraguay and South 



Plumbeous Kite. Sovi. Brazil. 



227. SPIZIAPTERYX, Kaup, 1851. 



666. CircumclnCtUS, Kaup, P. Z. S. 1851, p. 43 Argentina. 



( Chili, error = Argentina). 

 Spot-winged Falcon. Key de los Pajaros : 

 Halcon. 



228. FALCO, Linn., 1758. 



667. anatum. (Bonap.), Geogr. & Comp. List B. South America generally. 



Eur. & N. Amer. p. 4, 1838 (Egg Harbour, 

 New Jersey) . 

 Duck*Hawk. 



668. casSini, Sharpe, Ann. & Mag. Nat. Hist. (4) Chile: Straits of Magellan : 



xi. p. 221, 1873 (Straits of Magellan and Falkland Islands. 



Chili). 



Casein's Falcon. 



