94 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
and feet brownish or horn color (in dried skins); length (skins), 
125-141 (131); wing, 57-61 (59.2) tail, 50-60 (54.7); culmen, 
15.5-17 (16.3); tarsus, 21.5-23 (21.9); middle toe, 11.5-13 (12.7).* 
Immature male.—Similar to the adult female but ochraceous of 
under parts more or less intermixed, especially on anterior portions, 
with slate-gray, and anterior upper parts more grayish. 
Eastern Panamé (Lion Hill; Chepo; Panam4é; Sabana de Panama; 
Cascajal, Coclé; Rio Lara), and southward through Colombia (Bogoté; 
Rio Cauca: Remédios, Antioquia; Bucaramanga), Venezuela (Mun- 
duapo; Maripa; Suapuré; La Union, Caura; Bichaco), British Guiana 
(Roraima; Camacusa; Bartica Grove; Takutu River), Ecuadér (Esme- 
raldas; Babahoyo; Chimbo; Yaguachi; San Javiér; Pambilar; Foreste 
del Rio Peripa), to Peru (Ropaybamba; Huambo; Chirimoto) and 
northern Brazil (Rio Negro; Paraé; Obidos). 
Pyriglena tyrannina SctatER, Proc. Zool. Soc. Lond., 1855, 90, 147, pl. 98 (Bogota, 
Colombia; coll. Brit. Mus.). 
Cercomacra tyrannina Sciater, Proc. Zool. Soc. Lond., 1858, 245 (monogr.; 
Bogotd); 1860, 294 (Esmeraldas, w. Ecuadér; crit.); Cat. Am. Birds, 1862, 
184, part (Bogoté, Colombia; Esmeraldas, w. Ecuadér); Cat. Birds Brit. 
Mus., xv, 1890, 184, part (Lion Hill, Paraiso, Chepo, and Panam4, Panamé; 
Esmeraldas, Ecuadér; Roraima, Camacusa, Bartica Grove, and Takutu R., 
Brit. Guiana; Rio Negro and Par4, Brazil)—Sctater and Satvin, Proc. 
Zool. Soc. Lond., 1864, 356 (Panamé; crit.); 1879, 526 (Remédios, Antioquia; 
Colombia; descr. nest and eggs).—PELZELN, Orn. Bras., ii, Abth., 1869, 834.— 
Layarp, Ibis, 1873, 387 (Paré, Brazil; food)—Taczanowsx1, Proc. Zool. 
Soc. Lond., 1874, 530 (Ropaybamba, centr. Peru); 1882, 31 (Huambo and 
Chirimoto, n. e. Peru); Orn. du Pérou, ii, 1884, 54.—Sanvin, Proc. Zool. Soc. 
Lond., 1883, 424 (Panam4); 1885, 427 (Bartica Grove, Camacusa, and Roraima, 
3,000 ft., Brit. Guiana) —BrrierscuH and TaczanowskI, Proc. Zool. Soc. 
Lond., 1883, 565 (Chimbo, w. Ecuadér; crit.)—Brruepscu, Journ. fiir Orn., 
1884, 308 (Bucaramanga, Colombia; crit.) —Taczanowsk! and BERLEPSCH, 
Proc. Zool. Soc. Lond., 1885, 68 (Chimbo, w. Ecuadér), 100 (Yaguachi, 
Ecuadér).—Satvapori and Frsra, Boll. Mus. Zool., etc., Torino, xiv, 1899, 
no. 339, 7 (Rio Lara, Panama; crit.); xv, 1899, no. 362, 30 (Foreste del Rio 
@ Eleven specimens. 
Locality. Wing, (man | Put | Dae | Miadie 
MALES. 
Seven adult males from eastern Panama....................-.. 62.3] 55.6] 16 22.5 12.9 
Two adult males from Veneauela...................-222--2202- 60 58.3 17.5 2.7 13 
FEMALES. 
Five adult females from eastern Panamé..................-.... 59.6] 51.9] 16.1] 22.2 12.6 
Six adult females from Venezuela.............-...-----2.0-200 58.9 57 16.5 21.7 12.7 
