216 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



AUTOMOLUS GUERRERENSIS Salvin and Godman. 



GtJERRERO ATTTOMOLirS. 



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 aliJce). — 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-olive 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 sldns). 



Adult male.— Lei\o^i\\ (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 (Omil- 

 teme) and western Oaxaca (Pluma). 



Automolus gucrrerensis Salvin and Godman, Biol. Centr.-Am., Aves, ii, sig. 20, 

 July, 1891, 157 (Omilteme, Guerrero, s. w. Mexico; coll. Sahan and God- 

 man). 

 [Automolus] guerrerensis Sharpe, Hand-list, ill, 1901, 66. 



Automolus pectoralis Nelson, Auk, xiv, Jan., 1897, 54 (Pluma, Oaxaca, s. w. 

 Mexico; coll. U. S. Nat. Mus.). 



AUTOMOLUS FUMOSUS Salvin and Godman. 



SOOTY AUTOMOLUS. 



Above deep smoke browm, pileum darker, rump deep rufescent 

 ("saturate rubiginoso"), tail darker; wings externally concolor 



a Three specimens. & One specimen. 



