Cascajál, Coclé), and southward through Colombia and Ecuadór to northern Peru.
- Cymbilaniits lineatus (not Lanius Lineatus Leach) Lawrence, Ann. Lyc. N. Y., vii, 1862, 293 (Lion Hill, Panamá); ix, 1868, 107 (Angostura, Costa Rica). — Sclater and Salvin, Proc. Zool. Soc. Lond., 1864, 355 (Lion Hill; crit.). — Salvin, Proc. Zool. Soc. Lond., 1867, 144 (Santiago and Santa Fé de Verágua, Panamá); 1870, 194 (Mina de Chorcha, Calovevora, and Calobre, Panamá). — Frantzius, Journ. für Orn., 1869, 305 (Costa Rica). — Salvin and Godman, Biol. Centr. Am., Aves, ii, 1892, 194, part (excl. South Am. localities and references).
- (?) Cymbilanius lineatus Sclater, Proc. Zool. Soc. Lond., 1854, 112 (Quijos, Ecuador); 1858, 65 (e. Ecuadór), 206, part (monogr.). — Sclater and Salvin, Proc. Zool. Soc. Lond., 1866, 566 (Rio Ucayali, e. Peru); 1873, 272 (Nauta and Pebas, e. Peru); 1879, 524 (Remédios and Nechi, Antioquía, Colombia). — Taczanowski, Proc. Zool. Soc. Lond., 1874, 529 (Monterico, centr. Peru); Orn. du Pérou, ii 1884, 1. — Allen, Bull. Am. Mus., ii, 1889, 74 (Rio Napo, e. Ecuadór). — Hartert, Novit. Zool., v, 1898, 492 (Cachavi, n. w. Ecuadór). — Salvadori and Festa, Boll. Mus. Zool., etc., Torino, xv, no. 362, 1899, 27 (Valle del Rio Santiago, e. Ecuadór). — Berlepsch and Stolzmann, Proc. Zool. Soc. Lond., 1902, 59 (Monterico, Peru).
- [Cymbilanius] lineatus Sclater and Salvin, Nom. Av. Neotr., 1873, 69, part. — Sharpe, Hand-list, iii, 1901, 9, part.
- Cymbilanius lineatus fasciatus Ridgway, Proc. U. S. Nat. Mus., vi, no. 26, April 11, 1884, 404 (Los Sábalos, Nicaragua; coll. U. S. Nat. Mus.), 415 (Rio Súcio, Costa Rica). — Zeledón, An. Mus. Nac. Costa Rica, 1887, 114 (Jiménez, Costa Rica; Panamá).— Richmond, Proc. U. S. Nat. Mus., xvi, 1893, 498, 499 (Rio Escondido, Nicaragua; crit.). — Bangs, Proc. New Engl. Zool. Club, ii, 1900, 24 (Loma del León, Panamá). — Carriker, Ann. Carnegie Mus., vi, 1910, 600 (Caribbean lowlands and foothills Costa Rica; habits). — Ferry, Pub. 146, Field Mus. N. H., orn. ser., i, no. 6, 1910, 271 (Guayabo, Costa Rica).
- Cymbilanius lineatus (fasciatus) Ridgway, Proc. U. S. Nat. Mus., vi, 1883, 415 (Rio Súcio, Costa Rica).
- (?) Thamnophilus nigricristatus (not of Lawrence) Boucard, Proc. Zool. Soc. Lond., 1878, 60 (San Carlos, Costa Rica).
Genus THAMNISTES Sclater and Salvin.
- Thamnistes Sclater and Salvin, Proc. Zool. Soc. Lond., 1860, 299. (Type, T. anabatinus Sclater and Salvin.)
Medium-sized or rather small Formicariidæ (length about 130 mm.) with rather large, stout, and strongly hooked bill, small, circular nostrils and coloration plain brown above with wings and tail more rufescent (adult male with a concealed dorsal patch of ochraceous or tawny), the under parts plain olive-buffy or yellowish.
Bill a little shorter than head, rather stout, strongly hooked, its width at frontal antiæ greater than its depth at same point and equal to about half the distance from nostril to tip of maxilla; culmen very slightly curved from base to near tip, where strongly decurved, the tip of maxilla conspicuously uncinate; maxillary tomium nearly straight, deeply notched subterminally; mandible subfalcate (slightly recurved terminally), the tomium nearly straight, distinctly toothed
