128 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



List Diurn. Birds Prey, 1884, 85; Cat. Birds Prey, 1894, 26.— Berlepsch 

 and Ihering, Zeitschr. Orn., 1885, 172 (Taquara, etc., Rio Grande do Sul, s. 

 Brazil). — Ferrari-Perez, Proc. U. S. Nat. Mus., ix, 1886, 168 (Paso de la 

 Milpa, Vera Cruz). — Berlepsch, Journ. fiir Orn., 1887, 123 (Paraguay); 

 Nov. Zool., XV, 1908, 293 (Cayenne). — Zeled6n, Anal. IMus. Nac. Costa Rica, 

 i, 1887, 126 (Costa Rica) .—Allen, Bull. Amer. Mus. Nat. Hist., ii, 1889, 105 

 (lower Rio Beni and Mapiri, Bolivia; habits) ; v, 1893, 148 (Chapada, Matto 

 Grosso, Brazil), 157 (descr. nest and eggs). — Beristain and Laurencio, 

 Mem. y Revista de la Soc. Cient. "Antonio Alzate," vii. No. 7-8, 1894, 223 

 (Mexico; Veracruz and Tehuantepec) . — Chapman, Bull. Amer. Mus. Nat. 

 Hist., vi, 1894, 69 (Trinidad; habits; descr. nest); xxxvi, 1917, 250 (Cali and 

 Villavicencio, Colombia); Iv, 1926, 239 (distr., Ecuador). — Koenigswald, 

 Journ. fiir Orn., 1896, 386 (Sao Paulo, s. Brazil). — Hartert, Nov. Zool., v, 

 1898, 501 (Paramba, 3,500 ft., nw. Ecuador). — Holmberg, Segundo Censo 

 Argentina, i, Avcs, 1898, 508.— Loat, Ibis, 1898, 563 (Brit. Guiana).— 

 Ihering, Rev. Mus. Paulista, iii, 1899, 364 (Sao Paulo) ; iv, 1900, 163 (Canto- 

 gaUo and Novo Fribourgo, Sao Paulo), 272 (descr. eggs); vi, 1904, 339 (Para- 

 guay). — Salvadori and Festa, Boll. Soc. Zool. Torino, xv, 1900, 31 (Valle 

 del Zamora, e. Ecuador). — Berlepsch and Stolzmann, Proc. Zool. Soc. 

 London, 1902, 43 (La Merced, centr. Peru). — Gates, Cat. Birds' Eggs Brit. 

 Mus., ii, 1902, 294 (eggs; plate xiv, fig. 3) . — Hellmayr, Abh. Akad. Wiss., Ivl, 

 2, xxii. No. 3, 1905, 571 (crit.); Nov. Zool., xiii, 1906, 46 (Chaguanas and 

 Seelet, Trinidad); xiv, 1907, 406 (Humaytha, Rio Madeira, Brazil); xvii, 

 1910, 413 (Calama, Brazil; color of unfeathered parts); Nov. Zool., xxviii, 

 1921, 185 (crit.); Publ. Field Mus. Nat. Hist., zool. ser., xii. No. 18, 1929, 

 457 (Maranhao, Brazil). — Dearborn, Publ. Field Mus. Nat. Hist., No. 125, 

 1907, 83 (Los Amates, Guatemala). — Ihering and Ihering, Av. Brazil, 

 1907, 98 (Rio Grande do Sul, Sao Paulo, Mattogrosso, Pard, Piauhy, Goyaz, 

 Minas Geraes, and Bahia). — Snethlage, Journ. fiir Orn., 1908, 22 (Rio 

 Purus, w. Brazil); Bol. Mus. Goeldi, v, 1908, 67 (Rio Purlis) ; Ixxvi, 1928, 

 554, 572, 677 (breeding habits; South America; ne. Brazil). — Hartert and 

 Venturi, Nov. Zool., xvi, 1909, 240 (Mocovi and Ocampo, Argentina; 

 descr. nest and eggs) . — Dabbene, Orn. Argent., 1910, 249 (Mocovf, Chaco) ; 

 Bol. Soc. Physis Buenos Aires, i, 1913, 304 (Mocovf and Campo, S. Chaco, 

 Argentina). — Chubb, Ibis, 1910, 74 (Sapucay, Paraguay; fresh colors of 

 unfeathered parts); Birds Brit. Guiana, i, 1916, 274 (habits); Ibis, 1919, 289 

 (Bellavista, Bohvia, 1,400 m.; crit.). — Brabourne and Chubb, Birds South 

 America, i, 1912, 72 (e. to Paraguay and s. Brazil). — Bertoni, Fauna Para- 

 guaya, 1913, 43 (upper Rio Parand).— Peters, Auk, xxx, 1913, 371 (Camp 

 Mengel, Quintana Roo) ; Check-list Birds of Worid, i, 1931, 201 (distr.).— 

 Reichenow, Die Vogel, i, 1913, 413. — Bangs and Penard, Bull. Mus. Comp, 

 Zool., Ixii, 1918, 39 (Paramaribo, Wanageg, and Overtoon, Surinam). — 

 Menegaux, Rev. Franc. Orn., 1918, 290 (Teju-Cuar6, Missiones, Argen- 

 tina). — Stone, Proc. Acad. Nat. Sci. Philadelphia, 1918, 250 (Canal Zone, 

 Panama). — Swann, Synopt. List Accip., pt. 3, 1920, 105; Auk. xxxviii, 1921, 

 363 (Nevados, 3,000 feet, Venezuela) ; Synop. Accip., pt. 3, 1922, 165 (Mexico 

 to Bolivia, Brazil, and Paraguay) . — Lonnberg and Rendahl, Ark. Zool., xiv, 

 No. 25, 1922, 42 (near Mindo, Ecuador, 5,000 ft.). — Todd and Carriker, 

 Ann. Carnegie Mus., xiv, 1922, 146 (Bonda and Cincinnati, Santa Marta, Co- 

 lombia; crit.). — Mazza, Deautier, and Steullet, Soc. Arg. Pat. Reg. Norte 

 3rd Reunion, 1927, 257 (blood parasites). — ScHtJz, Journ. fur Orn., Ixxv, 

 1927, 143, 144, in text (powder downs). — Sturgis, Field Book Birds Panama 

 Canal Zone, 1928, 140 (descr.; habits; Panama). — Griscom, Bull. Mus. 



