AVES FALCONID^. 



591 



(C6rdoba) ; Holland, Ibis, 1891, pp. 16, 18; id. Ibis, 1892, p. 203 

 (Estancia Espartilla, resident) ; Schalow, Zool. Jahrb. Suppl. IV. p. 

 696 (1898); Sharpe, Hand-list, B. I. p. 245 (1899); Carbajal, La 

 Patagonia, Part II. p. 256 (1900); Salvad. Ann. Mus. Genov. (2) 

 XX, p. 614 (1900: Santa Cruz, Jan.; Rio Pescado, May); Martens, 

 Hamb. Magalh. Sammelr. p. 5 (1900: Tierra del Fuego ; Falkland 

 Islands); Albert, Contr. Estud. Av. Chil. II. p. 503 (1901). 



Fig. 295. 



Circus cinereus. Adult male (in front) and female. One-fourth natural size. 



Circus cainpestris, Vieill, N. Diet. d'Hist. Nat. IV. p. 455 (1816: ex 



Azara, p. 151) 

 Falco histyionictis, Quoy & Gaim. Voy. Uranie, Zool. pp. 93, 94, pis. 15, 



16 (1824; Falklands). 



