576 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



Micrastur guerilla Cassin, Proc. Acad. Nat. Sci. Philadelphia, 1848, 87 (near 

 Jalapa, Veracruz, s. Mexico; coll. Acad. Nat. Sci. Philadelphia; Journ. Acad. 

 Nat. Sci. Philadelphia, ser. 2, i, pt. 4, 1850, 295, pi. 40 (Jalapa, Veracruz). — 

 Bonaparte, Consp. Gen. Av., i, 1850, 30; Rev. Mag. Zool., vi, 1854, 537.— 

 Gray, Hand-list, i, 1869, 31, No. 296.— Sclater and Salvin, Proc. Zool. 

 Soc. London, 1869, 367, part (monogr.); 1870, 838 (coast Honduras); Nom. 

 Av. Neotr., 1873, 120, part (Mexico; Central America, part). — Sharpe, Cat. 

 Birds Brit. Mus., i, 1874, 79, part (Jalapa, Veracruz); Hand-list, i, 1899, 246, 

 part. — RiDGWAY, Proc. Acad. Nat. Sci. Philadelphia, 1875, 486, part (San 

 Pedro, Honduras; Vera Paz, and Cobdn, Guatemala; Jalapa, Veracruz; 

 monogr.); Ibis, 1876, 3, part (diagnosis). — Gtjrney, List Diurn. Birds Prey, 

 1884, 25, 117, 118, 119, part (crit.; variations in plumage of young); Cat. 

 Birds Prey, 1894, 19, part.— Richmond, Proc. U. S. Nat. Mus., xvi, 1893, 520 

 (Rfo Escondido, e. Nicaragua). — Beristain and Latjrencio, Mem. y Rev. 

 Soc. Cient. "Antonio Alzate," vii, 1894, 226 (Mexico; distr.).— Salvin and 

 GoDMAN, Biol. Centr.-Amer., Aves, iii, 1901, 110, part (Jalapa, Cuesta de 

 Misantla, Orizaba, Uvero, and C6rdoba, Veracruz; Cayo, British Honduras; 

 San Pedro, Honduras; Vera Paz, Guatemala; Matagalpa, La Libertad, 

 Santo Domingo, Rio Coco, Lake Managua, Rio Escondido, Nicaragua). — 

 Bangs, Bull. Mus. Comp. Zool., xxxix, 1903, 141 (Ceiba and Yaruca, Hon- 

 duras).— Dearborn, Publ. Field Mus. Nat. Hist., No. 125, 1907, 84 (Los 

 Amates, Guatemala). 



Micrastur guerilla guerilla Swann, Synopt. List Accip., pt. 1, 1919, 16 (Mexico; 

 Guatemala; Honduras). — Bangs and Peters, Bull. Mus. Comp. Zool., Ixvii, 

 1927, 473 (Presidio, Veracruz, Mexico). — Griscom, Bull. Amer. Mus. Nat. 

 Hist., Ixiv, 1932, 150 (rare in Guatemala) ; Ibis, 1935, 810, in text (Guatemala; 

 Sierra de las Minas; spec). 



Micrastur ruficollis guerilla Sclater, Ibis, 1918, 346, part (Veracruz to Nicaragua). — 

 Peters, Check-list Birds of World, i, 1931, 278.— Stone, Proc. Acad. Nat. 

 Sci. Philadelphia, Ixxxiv, 1932, 301 (Honduras: San Pedro, Ceiba, Yaruca). — 

 Berlioz, Bull. Mus. Hist. Nat. Paris, ser. 2, xi, 1939, 362 (Chiapas; Santa 

 Rosa).— Traylor, Publ. Field Mus. Nat. Hist., zool. ser., xxiv, 1941, 199, 

 204 (Pacaitun; Yucatdn; spec). 



Climacocercus guerilla Swann, Synopt. List Accip., pt. 3, 1919, Addenda et Cor- 

 rigenda (part 1), 16, part (Mexico); Synop. Accip., pt. 1, 1921, 27, part 

 (Mexico). 



Clamosocircus guerilla guerillaSw ANN, Monogr. Birds Prey, i, 1925, 151 (monogr.). — 

 Austin, Bull. Mus. Comp. Zoo., Ixix, 1929, 372 (Augustine, British Honduras). 



Micrastur concentricus (not Nisus concentricus Lesson) Sclater, Proc. Zool. Soc. 

 London, 1856, 285 



Micrastur gilvicollis (not Sparvius gilvicollis Vieillot) Sclater, Proc. Zool. Soc 

 London, 1858, 96 (s. Mexico; crit.). — Sclater and Salvin, Ibis, 1859, 218 

 (Guatemala). — Stone, Proc Acad. Nat. Sci. Philadelphia, Ixxx, 1928, 154 

 (Pard, Brazil). 



Micrastur ruficollis (not Sparvius ruficollis Vieillot) Sclater and Salvin, Ibis, 

 1859, 218 (Guatemala).— Rtdgway, Proc. Boston Soc. Nat. Hist., xvi, 1873, 

 78, part (Jalapa, Veracruz; Guatemala). 



Micrastur xanthothorax (not Falco xanthothorax Temminck) Sclater, Proc Zool. 

 Soc London, 1859, 368 (Jalapa, Veracruz). 



