AVES FALCONID^. 557 



April), 1878, p. 389 (Central Patagonia, abundant resident) ; Gurney, 

 P. Z. S. 1878, p. 231 ; Scl. & Salv. t. c. p. 435; Gibson, Ibis, 1879, 

 p. 415 (Cape San Antonio, Buenos Aires, common, breeds Sept.- 

 Nov.); Scl. & Salv. Voy. Chall. II. Birds, p. 105 (1881 : Isthmus 

 Harbor; Port Churrucha) ; Sharpe, P. Z. S. 1881, p. 10 (Port Henry, 

 Straits of Magellan, Jan.; Tom Bay, March); Doering, Expl. al Rio 

 Negro, Zool. p. 51 (1881 : Rio Colorado & Rio Negro); White, P. 

 Z. S. 1883, p. 41 (Cosquin, Cordova, July) ; Vinicig. Exped. Austr. 

 p. 57 (1883); id. Exped. Patagonia, p. 58 (1883); id. Boll. Soc. 

 Geogr. Ital. (2) ix, p. 797 (1884) ; Barrows, Auk, I. p. iii (1884 ; Con- 

 cepcion, abundant, breeds Sept. to Nov.); Gurney, List Diurn. B. 

 Prey, p. 12 (1884) ; Scl. & Huds. Arg. Orn. II. p. 81 (1889) ; Ridgw. 

 Proc. U. S. Nat. Mus. XII. p. 136 (1889: Elizabeth Island); Hol- 

 land, Ibis, 1890, p. 425 (Arg. Rep.) ; Oust. Miss. Scient. Cap Horn, 

 Oiseaux, pp. 9, 324 (1891 : Orange Bay); Frenzel, J. f. O. 1891, p. 

 115 (Cordoba); Graham Kerr, Ibis, 1892, p. 143 (Lower Pilcomayo, 

 abundant); James, New List Chil. B. p. 7 (1892); Huds. Natural, 

 in La Plata, p. 119 (1892: id. Idle Days in Patagonia, p. 175 (1893) ; 

 Holland, Ibis, 1892, p. 204 (Estancia Espartilla, common resident, 

 breeds in Oct.); Aplin, Ibis, 1894, p. 196 (Uruguay); Lane, Ibis, 

 1897, p. 183 (Rio Bueno, very common); Schalow, Zool. Jahrb. 

 Suppl. IV. p. 692 (1898: Puerto Rosaleo, Llanquihue, Nov.; Cape 

 Espiritu Santo, Feb.; Punta Arenas, Feb.); Sharpe, Hand-list B. I. 

 p. 242 (1899); Salvad. Ann. Mus. Genov. (2) xx, p. 613 (1900: 

 Penguin Rookery, Feb.; Rio Pescado, May; Punta Arenas, May & 

 June; Possession Bay, July) ; Carbajal, La Patagonia, Part II. p. 257 

 (1900); Martens, Hamb. Magalh. Sammelr. p. 5 (1900: Tierra del 

 Fuego & Patagonia); Albert, Contr. Av. Chil. II. p. 559 (1901). 



General description. 



Size. — Adult male. 7894 P. U. O. C. Rio Gallegos, Patagonia, 20 

 May, 1896. J. B. Hatcher. Or. No. 11. 

 Total length, about 23.50 inches. 

 Wing, 17.00 inches. 

 Culmen, 2.00 inches. 

 Tail, 10.5 inches. 

 Tarsus, 4.3 inches. 



