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198 pale buff or buffy white, passing into clear buff on subauricular region and sides of upper neck, where feathers are developed into a short but distinct tuft; rest of under parts pale yellowish buff, passing into light tawny-brown or cinnamon on sides, flanks, and under tail-coverts, the feathers of chest and lower throat edged and (usually) terminally margined with dusky or dark olive, producing a more or less squamate effect, these dusky edgings much broader on sides of chest; under wing-coverts ochraceous-buff; inner webs of remiges broadly but not sharply edged with pale brownish buffy; maxilla brownish black, paler on tomium; mandible dull whitish (in dried skins) with a broad dusky streak along upper portion; legs and feet horn color (in dried skins).

Young. — Similar to adults but pileum and auricular region nearly (sometimes quite) uniform black or brownish black, chest heavily squamated with black or dusky, feathers of whole throat more or less broadly margined with blackish, and under parts of body more tawny.

Adult male. — Length, (skins), 187-203 (197); wing, 98-114 (106.3); tail, 85-97.5 (91.6); culmen, 20.5-23.5 (21.9); tarsus, 23.5-27 (25.4); middle toe, 17-18.5 (17.7).

Adult female. — Length (skins), 185-201 (195); wing, 96.5-102.5 (99.7); tail, 84-92.5 (88.2); culmen, 21.5-25 (23.6); tarsus, 23.5-25.5 (24.3); middle toe, 16.5-18.5 (17.2).

Highlands of Costa Rica (Navarro de Cartago; La Palma de San José; El Roble, Volcán de Irazú; Volcán de Turrialba; Escazú; Las Vueltas, Los Reyes, and Santa Maria, Dota; Ojuras de Térraba) and western Panamá (Cordillera del Chucu; Calobre; Volcán de Chiriquí, 10,000-10,300 ft.; Boquete, 7,500 ft.).


 * Pseudocolaptes boissoneauti (not Anabates boissonneautii Lafresnaye), Proc. Zool. Soc. Lond., 1870, 192 (Cordillera del Chucu, Verágua; crit.).
 * Pseudocolaptes boissoneauti?, Proc. Zool. Soc. Lond., 1878, 59 (Navarro, Costa Rica; crit.).
 * Pseudocolaptes lawrencii, Proc. U. S. Nat. Mus., i, sig. 16, Dec. 10, 1878, 253, 254 (Navarro and La Palma de San José, Costa Rica; coll. U. S. Nat. Mus.). — , Cat. Birds Brit. Mus., xv, 1890, 79 (Cordillera del Chucu