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Rh : Drymophila swainsoni and, Bull. Mus. Comp. Zool., xlvi, 1906, 217 (Sabana de Panamá).
 * [Drymophila] swainsoni, Hand-list, iii, 1901, 33, part (Colombia; Panamá).
 * Myrmeciza boucardi (not of Berlepsch), Cat. Birds Brit. Mus., xv, 1890, 279, part (Venágua; Panamá). — , Proc. Biol. Soc. Wash., xii, 1898, 138 (Santa Marta, Colombia). — , Bull. Am. Mus. N. H., xiii, 1900, 160 (Bonda, etc., Santa Marta, Colombia).
 * Myrmeciza boucardi panamensis, Proc. Biol. Soc. Wash., xxi, Oct. 20, 1908, 144 (line of Panamá Railway; coll. U. S. Nat. Mus.).

MYRMECIZA LÆMOSTICTA Salvin.

Adult male (= M. stictoptera Lawrence). — Head and neck plain slate-black or blackish slate, becoming black on chin and throat; upper back dark brownish olive, the feathers black centrally and extensively white basally; lower back, rump, and upper tail-coverts dark chestnut or chestnut-brown, the tail similar but slightly darker; lesser and middle wing-coverts black, each with a roundish apical spot of white, some of the coverts along anterior border of wing with outer web wholly white; greater coverts and secondaries dark chestnut-brown, some of the former with indistinct small apical spots of fulvous; alula and primary-coverts uniform dusky grayish brown; primaries prouts brown, the outermost without white edging; chest, breast, anterior portion of sides, and upper abdomen, deep slate-gray or slate color, the feathers blackish centrally; posterior portion of sides, flanks, and under tail-coverts plain vandyke brown; maxilla black, mandible brownish (dark bluish horn color in life); iris carmine red, scarlet, or crimson; legs and feet horn brown (leaden bluish or dark purplish lead color in life); length (skins), 120-141 (131); wing, 62-65.5 (64.3); tail, 44-49 (46.5); culmen, 17.5-20 (18.5); tarsus, 25.5-28 (26.7); middle toe, 16-18 (17.1). Adult female (= M. læmosticta Salvin). — Similar to the adult male, but throat conspicuously spotted with white, and pileum and hindneck mostly dark sepia brown instead of wholly slate-black or blackish slate; length (skins), 121-145 (131); wing, 62.5-65 (63.3); tail, 42-49 (44.8); culmen, 17-18.5 (18); tarsus, 26-28 (26.8); middle toe, 17-18 (17.2).

Costa Rica (Tucurríqui; Angostura; San Carlos; La Florída; Turrialba; Peralta; Guápiles; Cuábre; Carrillo; La Vijágua; Rio Súcio) and western Panamá (Santa Fé de Verágua).


 * Myrmeciza læmosticta, Proc. Zool. Soc. Lond., 1864 (pub. Apr. 1, 1865) 582 (Tucurríqui, Costa Rica; coll. Salvin and Godman); 1867, 145 (Santa Fé de Verágua, Panamá; crit.). — , Ann. Lyc. N. Y., ix, 1868, 109