58O PATAGONIAN EXPEDITIONS: ZOOLOGY. 



Circaetus novce-zealandice, Cuv. Regn. Anim. I. p. 328 (1829). 



Circaetm antarcttcus, Less. Traite d'Orn. p. 49 (1831 : Falkland Islands 



& Tierra del Fuego). 

 Senex australis, J. E. Gray, in Jard. & Selb. Illustr. Orn. pi. 24 (1839); 



Gurney, List Diurn. B. Prey, p. 12 (1884); Salvad. Ann. Mus. 



Genov. (2) xx, p. 613 (1900: Penguin Rookery; Porto Cook, March). 

 Mifaago leucums, Gould, Voy. Beagle, Birds, p. 15 (1841 : Falkland 



Islands, March) ; id. P. Z. S. 1859, p. 93. 



sfLtriorchis novce-zealandice, Kaup, Classif. Saugeth. ii. Vog. p. 124 (1844). 

 Caracara leucurus, Des Murs in Gay's Hist. Chil. Zool. I. p. 213 (1847). 

 Milvago australis, Gray, Cat. Accipitr. Brit. Mus. p. 30 (1848); Abbott, 



Ibis, 1861, p. 150 (East Falklands, resident, breeds in Nov.); Scl. 



& Salv. Nomencl. Av. Neotr. p. 122 (1873); iid. P. Z. S. 1879, p. 



309 (Falkland Islands); iid. Voy. Chall. II. Birds, p. 150 (1881; 



eggs) ; Burm. An. Mus. Nac. Buenos Aires, iii, part x, p. 241 (1888: 



Falkland Islands). 

 Ibycter australis, Kaup, Arch, fur Nat. 1850, p. 41 ; Sharpe, Cat. B. Brit. 



Mus. I. p. 38 (1874); Oust. Miss. Scient. Cap Horn, Oiseaux, pp. 



14, 324 (1891: Falkland Islands); Sharpe, Hand-list B. I. p. 244 



(1899); Martens, Hamb. Magalh. Sammelr. p. 5 (1900: Falklands). 

 Polyborus australis, Bp. Consp. Av. I. p. 13 (1850); Cass. U. S. Expl. 



Exped. p. 101 (1858: Orange Harbour, Tierra del Fuego); Schl. 



Mus. Pays Bas, Polybori, p. 3 (1862: Falkland Islands). 

 sEtriorckis australis, Bonap. Rev. et Mag. de Zool. 1854, p. n. 



GENERAL DESCRIPTION. 



Size. Adult male. 



Total length, about 25.00 inches. 



Wing, 16.65 inches. 



Culmen, 2.0 inches. 



Tail, ii.o inches. 



Tarsus, 3.35 inches. 



Color. Adult male. 



General color: Black, with lanceolate streaks and white spots on the 

 feathers, at different points. 



Head : Black ; the feathers of the occiput forming a crest. 



Neck : Black ; the throat, the nape and hind neck decorated with white, 

 lanceolate streaks on the feathers. 



