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216 AUTOMOLUS GUERRERENSIS Salvin and Godman.

Most like A. rubiginosus but coloration of upper parts and under parts of body much paler, the back, etc., raw-umber brown instead of tawny-brown or mummy brown, the pileum concolor with back instead of decidedly darker. Adults (sexes alike). — Pileum, hindneck, back, scapulars, and rump plain raw-umber brown, passing into cinnamon-rufous on upper tail- coverts; tail clear rufous-chestnut; wings more rufescent than color of back, etc., sometimes rufous-brown or russet, the secondaries and proximal greater coverts sometimes nearly concolor with back; sides of head nearly concolor with pileum but rather more rufescent, especially on supra-auricular region, the auricular region rather duller or more grayish brown, with very narrow and indistinct shaft- streaks of paler; malar region, sides of neck, chest, and throat plain dull cinnamon-rufous or tawny-rufous, the chin (sometimes upper throat also) paler (more tawny-ochraceous or ochraceous-buff); abdomen and median portion of breast deep buff or clay color, shading into light raw-umber or tawny-ohve on sides of breast, sides, and flanks, the under tail-coverts more rufescent (shorter coverts cinnamon, passing into russet or rufous-tawny on the longer ones); axillars and under wing-coverts clear buff-tawny, the inner webs of remiges with basal half or more similar but slightly paler; maxilla dark horn color becoming paler toward tomium, darker on basal portion of culmen; mandible horn color, the lower portion (broadly) pale dull yellowish (in dried skins); legs and feet horn color (in dried skins).

Adult male. — Length (skins), 203-213 (206); wing, 91.5-95 (93.2); tail, 83-84 (83.3); culmen, 23.5-24 (23.8); tarsus, 26-27.5 (26.5); middle toe, 21.5-22 (21.7). Adult female. — Length (skin), 212; wing, 88; tail, 80; culmen, 23; tarsus, 25.5; middle toe, 20.

Mountains of southwestern Mexico, in States of Guerrero (Omilteme) and western Oaxaca (Pluma).


 * Automolus guerrerensis and, Biol. Centr.-Am., Aves, ii, sig. 20, July, 1891, 157 (Omilteme, Guerrero, s. w. Mexico; coll. Sahdn and Godman).
 * [Automolus] guerrerensis, Hand-list, iii, 1901, 66.
 * Automolus pectoralis, Auk, xiv, Jan., 1897, 54 (Pluma, Oaxaca, s. w. Mexico; coll. U. S. Nat. Mus.).

AUTOMOLUS FUMOSUS Salvin and Godman.

Above deep smoke brown, pileum darker, rump deep rufescent ("saturate rubiginoso"), tail darker; wings externally concolor