(Tucurríqui). — Frantzius, Journ. für Orn., 1869, 305 (Costa Rica). — Sclater, Cat. Birds Brit. Mus., xv, 1890, 280. — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 230, pl. 51, fig. 1. — Carriker, Ann. Carnegie Mus., vi, 1910, 617 (Caribbean slope, 1,000-2,500 ft., Costa Rica; crit.; habits).
- [Myrmeciza] læmosticta Sclater and Salvin, Nom. Av. Neotr., 1873, 74.
- Myrmeciza læmosticta læmosticta Hellmayr, Novit. Zool., xiii, 1906, 343 (crit.).
- [Drymophila] læmosticta Sharpe, Hand-list, iii, 1901, 34.
- Drymophila læmosticta Carriker, Ann. Carnegie Mus., v, 1908, 9, in text.
- Myrmeciza stictoptera Lawrence, Ann. Lyc. Nat. Hist. N. Y., viii, 1867, 132 (Angostura, Costa Rica; coll. U. S. Nat. Mus.); ix, 1868, 109 (do.). — Frantzius, Journ. für Orn., 1869, 306 (Costa Rica). — Cherrie, Proc. U. S. Nat. Mus., xiv, 1891, 532 (San Carlos, Costa Rica; crit.). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 230.
- [Drymophila] stictoptera Sharpe, Hand-list, iii, 1901, 34.
- Drymophila stictoptera Carriker, Ann. Carnegie Mus., v, 1908, 9 (crit.).
MYRMECIZA CASSINI (Ridgway).
CASSIN'S ANTBIRD.
Adult male. — Head and neck, all round, uniform slate-black or blackish slate; back, scapulars, rump, upper tail-coverts, tail, and secondaries plain bright mummy brown or mars brown; edge of wing white; lesser wing-coverts brownish black or blackish brown, each with a conspicuous apical spot of white;[1] alula dusky brown, the outermost feather broadly edged with white; primary-coverts uniform dusky brown; primaries grayish brown basally passing terminally into light olive-brown, the outermost edged with white; under parts, except chin, throat, and under tail-coverts, plain slate- gray, somewhat paler posteriorly, where slightly tinged with fulvous; under tail-coverts light mummy brown; bill black; legs and feet light yellowish gray (in dried skin); wing, 69; tail, 42; culmen (bill defective); tarsus, 29; middle toe, 18.[2]
Adult female?. — Upper parts as in the adult male, but brown of back, etc., much deeper (chestnut-brown); chin and most of throat uniform slate color; median portion of lower throat, chest, and breast chestnut, the remaining under parts slightly paler and duller (more russet); wing, 64; tail, 39; culmen (bill defective); tarsus, 26; middle toe, 18.[3]
Immature male.[4] — Similar to the supposed adult female, as described above, but brown of upper parts lighter and less castaneous (deeper, however, than in the adult male described), and general
color of under parts much lighter (dull cinnamon-rufous on chest
