- Myrmotherula menetriesi Sclater, Proc. Zool. Soc. Lond., 1858, 237, part(monogr.); 1860, 67 (Pallatanga, w. Ecuadór), 89 (Nanegal, e. Ecuadór; crit.); Cat. Am. Birds, 1862, 180 (Nanegál and Rio Napo, e. Ecuadór; Pallatanga, w. Ecuador); Cat. Birds Brit. Mus., xv, 1890, 240, part (Pallatanga and Nanegal). — Taczanowski, Proc. Zool. Soc. Lond., 1874, 530 (Amable Maria and Paltaypampa, centr. Peru); 1882,30 (Huambo, n. e. Peru); Orn. du Pérou, ii, 1884, 45. — Berlepsch and Taczanowski, Proc. Zool. Soc. Lond., 1883, 564 (Chimbo, w. Ecuadór; crit.); 1884, 302 (Sarupata, Ecuadór). — Taczanowski and Berlepsch, Proc. Zool. Soc. Lond., 1885, 101 (Machay and Mapoto, Ecuadór; crit.). — Salvin and Godman, Biol. Centr. -Am., Aves, ii, 1892, 211, part (Ecuadór; Peru). — Salvadori and Festa, Boll. Mus. Zool., etc., Torino, xv, no. 302, 1899, 30 (Foreste del Rio Peripa, w. Ecuadór; crit.). — Goodfellow, Ibis, 1902, 65 (Gualea, w. Ecuadór).
- [Myrmotherula] menetriesi Sclater and Salvin, Nom. Av. Neotr., 1873, 72, part. — Sharpe, Hand-list, iii, 1901, 22, part (Ecuadór; Peru). — Berlepsch and Stolzman, Proc. Zool. Soc. Lend., 1902, 58 (Amable Maria, centr. Peru).
- Myrmotherula menetriesi? Sclater, Proc. Zool. Soc. Lond., 1860, 67 (Pallatanga, e. Ecuadór).
- Myrmotherula menetriesii Taczanowski and Berlepsch, Proc. Zool. Soc. Lond., 1885, 68 (Chimbo, Mapoto, and Machay, w. Ecuadór).
MYRMOPAGIS FULVIVENTRIS (Lawrence).
LAWRENCE'S ANTWREN.
Adult male. — Above plain olive (varying from grayish to brownish olive), becoming slightly grayer on pileum (where feathers are very indistinctly margined or flecked with dusky) and more brownish posteriorly; upper tail-coverts and tail much browner (sepia brown to prouts brown); more anterior lesser wing-coverts plain olive, the more posterior ones partly or wholly black, each with a terminal spot of buff; middle and greater coverts black with a terminal guttate or subtriangular spot of buff; remiges brownish olive to olive-brown (nearly prouts brown); auricular, suborbital, and malar regions dull grayish white, indistinctly streaked or flecked with dusky grayish; chin white; throat black, each feather tipped with a large guttate spot of white; rest of under parts light buffy olive or olive-buffy, slightly clearer and more buffy on abdomen, grayer on chest, and more olivaceous on sides and flanks; under wing-coverts and broad edgings to inner webs of remiges pale brownish buffy; mandible dark horn color with paler tomium, mandible dull whitish (pale grayish blue or bluish gray in life); iris brown, reddish brown, or straw color;[1] legs and feet light horn color (bluish gray or grayish blue in life) ; length (skins), 86-104 (96); wing, 48.5-53.5 (50.8); tail, 30-37 (32.7); cuhnen, 14-15.5 (14.8); tarsus, 15.5-17 (16.1); middle toe, 10.5-
11.5 (11).[2]