624 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



rios & Ventana, abundant resident); Scl. & Huds. Argent. Orn. II. 

 p. 64 (1889: Patagonia); Ridgw. Proc. U. S. Nat. Mus. XII. p. 136 

 (1889: Elizabeth IsL); Frenzel, J. f. O. 1891, p. 114 (Cordoba); 

 Graham Kerr, Ibis, 1892, p. 143 (Lower Pilcomayo); James, New List 

 Chil. B. p. 7 (1892); Aplin, Ibis, 1894, p. 194 (Uruguay); Schalow, 



Fig. 313. 



Butco iiiiianoleucus. Adult male, P. U. O. C. 8992. About one-fifth natural size. 



Zool. Jahrb. Suppl. IV. p. 695 (1898: Ovalle : Cape Espiritu Santo, 

 East Fuegia, Feb.); Sharpe, Hand-list B. I. p. 255 (1899); Salvad. 

 Ann. Mus. Genov. (2) xx, p. 614 (1900: Santa Cruz, Jan. and July); 

 Carbajal, La Patagonia, Part II. p. 256 (1900); Albert, Contr. Estud. 

 Av. Chil. II. p. 529 (1901). 



