110 BIRDS OF TIERIIA DEL FUEGO 



bourlioocl. " Flocks of this species," he says, " do not mix with 

 those of any other, but their flight and habits are similar to 

 those of Q. flavirostns,'" In Central Patagonia he found it 

 resident. 



TACHYERES CINEREUS (Gmelin) 



Oye Grise, Oye du Plein, Pemehj, Vny. lies Malowines, ii, 



p. 570, 1769. 

 Race Horse Duck, Gooh, Voy. " Resolution " and " Adventure,'' ii, pp. 



186, 205, 1777. 

 Anas cinerea, Gmelin, Systema Naturce, i, p. 506, 1788. 

 Anas br achy pt era, Quoy et Gaimard, Zool. Voy. " Uranie,'' p. 139, 



pi. xxxix, 1824. 



Oidemia patachonica, King, Zooi. Joum., iv, p. lOO, 1828. 



MicropteruS patachoniCUS, King, Fro. Zool. Soc, p. 15, 1830; 

 Abbott, Ibis, p. 162, 1861 ; Cunningham, Nat. Hist. Strait Magellan, 

 pp. 91-98, 475, 1871 ; Oustalet, Miss. Sci. Gap Horn, Ois., p. 229, pi. v, 

 1891. 



MicropteruS brachypteruS, Gould and Darwin, Voy. " Beagle," 



Birds, p. 136, 1841. 

 Steamer Duck, King, Surveying Voyages " Adventure " and " Beagle," 



i, p. 35, 1839. 

 MicropteruS CinereUS, Abbott, Ibis, p. 161, 1861 ; Cunningham 



Trans. Zool. Soc, vii, pp. 493-501, pis. 58-62 (Anatomy), 1871 ; Oustalet, 



Miss. Sci. Gap Horn, Ois., p. 212, pi. iv, 1891. 

 Tachyeres cinereuS, Salvadori, Cat. Birds Brit. Mus., XX vii, p. 373, 



1895 ; Gates, Gat. Birds' Eggs Brit. Mus., ii, p. 184, 1902. 



Habitat. — Chili as far north as Valdivia, to Tierra del Fuego ; the Falk- 

 land Islands. 



Five eggs, Useless Bay, 10th Jan., 1905. 



The Race Horse, Loggerhead, or Steamer Duck has consti- 

 tuted one of the wonders of these waters from the time of the 

 earliest navigators, and has been the subject of much controversy. 

 The question of whether one or two s]3ecies are to be 

 admitted has been finally determined in favour of one in the 

 opinion of the majority, although so recent an authority as Dr. 



