passing into ochraceous-buff on abdomen), the sides and flanks more brownish (nearly raw nmber), the slate-gray restricted to chin and upper throat; wing, 63; tail, 41; culmen, 19; tarsus, 27; middle toe, 17.
Eastern Panamá (Cascajál, Coclé) and adjacent portion of north- western Colombia (Turbo).
- Myrmeciza exsul[1] (not of Sclater, 1858) Cassin, Proc. Ac. Nat. Sci. Pliila., 1860, 191 (Turbo, Colombia).
- Myrmelastes cassini Ridgway, Proc. Biol. Soc. Wash., xxi, Oct. 20, 1908, 194 (Turbo, n. w. Colombia; coll. U. S. Nat. Mus.).
MYRMECIZA EXSUL EXSUL Sclater.
SCLATER'S ANTBIRD.
Adult male. — Head and neck, all round, uniform slate-black; upper parts (except pileum and hindneck) plain deep chestnut; lesser wing- coverts at least partly black, those along anterior margin of wing more or less extensively white, and behind this white margin often a few small dots of white; the carpo-metacarpal region also streaked with white, and outermost feather of alula sometimes edged with white; under parts (except chin, throat, flanks, anal region and under tail-coverts), plain blackish slate color; flanks, anal region, and under tail-coverts plain mummy or Vandyke brown; bill black; iris brown; bare skin of postocular region and chin sky blue; legs and feet dusky (blackish horn color or dark bluish gray in life); length (skins), 126-148 (134); wing, 64-71 (67.4); tail, 44-49 (46.8); culmen, l8.5-21.5 (20.2); tarsus, 27-29.5 (28.2); middle toe, 17.5-19 (17.9).[2]
Adult female. — Upper parts as in adult male, but slate-black of pileum and hindneck slightly duller; chin and throat slate-blackish, but usually duller than in adult male; rest of under parts plain vandyke
or mummy brown; bill, etc., as in adult male, but mandible
- ↑ The following citations of Myrmeciza (or Myrmelastes) exsul refer to one or more allied forms:
- Myrmeciza exsul (not of Sclater, 1858) Sclater, Proc. Zool. Soc. Lond., 1860, 294 (Esmeraldas, w. Ecuadór; crit.); Cat. Am. Birds, 1862, 187 (Esmeraldas); Cat. Birds Brit. Mus., xv, 1890, 279 (Esmeraldas and Intac, Ecuadór; Nechi, Colombia). — Sclater and Salvin, Proc. Zool. Soc. Lond., 1879, 556 (Nechi, Antioquia, Colombia). — Berlepsch and Taczanowski, Proc. Zool. Soc. Lond., 1883, 566 (Chimbo, w. Ecuadór; crit.). — Salvadori and Festa, Boll. Mus. Zool., etc., Torino, xv, 1899, no. 362, p. 31 (Foreste del Rio Peripa, w. Ecuadór). — Hartert, Novit. Zool., v, 1898, 493 (Cachavi, n. w. Ecuadór). — Goodfellow, Ibis, 1902, 65 (Santo Domingo and Guanacillo, n. w. Ecuadór; habits, etc.).
- [Myrmeciza] exsul Sclater and Salvin, Nom. Av. Neotr., 1873, 74.
- [Myrmelastes] exsul Sharpe, Hand-list, iii, 1901, 32 (Colombia to Ecuadór).
(The bird from Nechi, Colombia, may possibly be M. cassini.)
- ↑ Sixteen specimens.
