AVES RALLID^. 55 



GENERAL DESCRIPTION. 



Size. Total length, 14 inches. 



Culmen including frontal shield, 2.2 inches. 



Wing, 6.5 inches. 



Tail, 2.4 inches. 



Tarsus, 2.2 inches. 



Color. The color of this bird is almost identical with that of Fulica 

 armillata, 1 Vieill, but the birds are readily distinguished both by their 

 difference in size, and by the absence of a white outer edging to the first 

 primary in Fulica rufifrons. 



Geographical Range. Falkland Islands, Patagonia, Chile, southern 

 Brazil and Argentina. 



This species was not secured by the naturalists sent out by Princeton 

 University to Patagonia. The descriptions given are based on material 

 in the British Museum of Natural History. 



FULICA LEUCOPTERA Vieillot. 



Foe ha, Azara, Apunt. III. p. 472 (1805). 



Fulica leucoptera, Vieill. N. Diet. d'Hist. Nat. XII. p. 48 (1817: ex 

 Azara); Gray, Gen. B. III. p. 600 (1845); Hartl. Ind. Azara, p. 28 

 (1847); Burm. La Plata Reise, II. p. 505 (1861 : Parana); Scl. & 

 Salv. P. Z. S. 1868, p. 468 (Parana) ; iid. Exot. Orn. p. 119, pi. IX 

 (1868); Gray, Handl. B. III. p. 68, no. 10520 (1871); Scl. & Salv. 

 Nomencl. Av. Neotr. p. 140 (1873); Durnf. Ibis, 1877, P- ! 95> ^78, 

 p. 67 (Buenos Ayres, eggs); Doering Expl. al Rio Negro, Zool. Aves, 

 p. 55 (1882: Rios Negro and Colorado); White, P. Z. S. 1883, p. 

 43 (Cordoba); Barrows, Auk, I. p. 277 (1884: Carhue); Withington, 

 Ibis, 1888, p. 472 (Lomas de Zamora); Scl. & Huds. Argent. Orn. 

 II. p. 158 (1889); Ridgw. Proc. U. S. Nat. Mus. XII. p. 137 (1889: 

 Sandy Point); Holland, Ibis, 1890, p. 425 (Buenos Ayres); Oust. 

 Miss. Scient. Cap Horn, Oiseaux, p. 134 (1891: Beagle Canal); 

 Frenzel, J. f. O. 1891, p. 125 (Cordoba); James, New List Chil. B. 

 p. 10 (1892); Holland, Ibis, 1892, p. 210 (Estancia Espartilla, com- 



'See ante, page 52, this volume. 



