Bull. Mus. Comp. Zool., xlvi, 1905, 150 (San Miguél I., Bay of Panamá); xlvi, 1906, 217 (Sabana de Panamá).
- [Cercomacra] nigricans Sclater and Salvin, Nom. Av. Neotr., 1873, 73. — Sharpe, Hand-list, iii, 1901, 29 (Panamá to Ecuadór).
- Pyriglena maculicaudis Sclater, Proc. Zool. Soc. Lond., 1858, 66, 247 (Trinidád; coll. P. L. Sclater); Cat. Am. Birds, 1862, 185 (do.). — Lawrence, Ann. Lyc. N. Y., vii, 1862, 325 (Lion Hill, Panamá). — Sclater and Salvin, Proc. Zool. Soc. Lond., 1864, 356 (Lion Hill; crit.).
- [Cercomacra] maculicaudis Sclater and Salvin, Nom. Av. Neotr., 1873, 73.
- Cercomacra maculicaudis Sclater, Cat. B. Brit. Mus., xv, 1890, 268 (Paraiso Station and Panamá, Panamá; Bogotá; Trinidád). — Hartert, Novit. Zool., v, 1898, 492 (Chimbo, 1,000 ft., n. w. Ecuadór; crit.). — Bangs, Auk, xviii, 1901, 30 (San Miguel I., Bay of Panama).
- Cercomacra maculicauda Bangs, Proc. New Engl. Zool. Club, ii, 1900, 24 (Loma del León, Panamá).
- Cercomacra maculosa Sclater, Proc. Zool. Soc. Lond., 1860, 279 (Babahoyo, w. Ecuadór; coll. P. L. Sclater); Cat. Am. Birds, 1862, 184.
CERCOMACRA TYRANNINA TYRANNINA (Sclater).
TYRANNINE ANTBIRD.
Adult male. — Above plain slate color, sometimes tinged, more or less, with olive on rump and upper tail-coverts, the feathers of interscapular region darker centrally and extensively white basally; anterior portion of lesser wing-covert area white, the remaining lesser coverts, together with middle and greater coverts, narrowly tipped or terminally margined with white, the alulæ (sometimes outermost primaries also) edged with white; rectrices (except middle pair) usually narrowly tipped with white, this preceded by an indistinct bar or area of dusky; under parts plain slate-gray, sometimes tinged with olive posteriorly; under wing-coverts yellowish white, spotted or mottled with dusky on carpal region; inner webs of remiges broadly edged with yellowish white; bill brownish black or blackish brown; iris brown; legs and feet horn color or dusky (bluish gray or grayish blue in life); length (skins), 117-139 (132); wing, 59-64.5 (61.8); tail, 52.5-59 (56.2); culmen, 15.5-17.5 (16.4); tarsus, 21.5-23 (22.6); middle toe, 12.5-13 (12.9).[1]
Adult female. — Above plain light olive to grayish olive, the tail browner (sepia), the wings also browner, with outer primaries edged with pale clay color or olive-buff, the wing-coverts (in part, at least) more or less distinctly margined terminally or narrowly tipped with the same or pale fulvous; under parts, including sides of head, plain ochraceous or tawny ochraceous, strongly tinged with olive on flanks, the auricular region also tinged or clouded with olive and with very narrow and indistinct shaft-streaks of paler ochraceous; maxilla dusky
brown with paler tomium, mandible dull whitish (in dried skins); legs
- ↑ Nine specimens.