BIRDS OF NORTH AND MIDDLE AMERICA. 217 



with back; under parts fa-\vii color (''cervino-briinneiis"), throat and 

 breast more rufescent, flanks smoke brown, under tail-coverts rufes- 

 cent C'rubiginosis"), under wing-coverts cinnamon; bill and feet 

 dusky hazel ("corylinus"), the mandible paler beneath. Total 

 length [adult male] 8.0 [inches = 201 mm.], wing 3.25 [ = 82.5 mm.], 

 tail, middle rectrices, 3.1 [78.5 mm.], lateral rectrices, 2.25 [57 mm.], 

 bill to rictus, 1.5 [38 mm.], tarsus, 1.1 [28 mm.]. (Translation of 

 original description.) 



This species, of which only one example is kno^\^l, is said to be 

 "the darkest of all tlie forms of Automolus, darker even than A. 

 rubiginosvs, and has much darker wings. On the underside it is 

 more like the Guatemalan A. umhrinus, but the sides of the head and 

 the flianks are much darker and the wings outwardly very differently 

 coloured." 



Western Panama (Bibalaz, Volcan de Chiriqui) . 



Automolus cervinigularis (not Anahules ccrvinigularis Sclater) Sclater, Cat. 



Birds Brit. Mus., xv, 1890, 91, part (spec, n, Bibalaz, Chiriqui). 

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



July, 1891, 158 (Bibalaz, Chiriqui, Panama; coll. Sal\-iu and Godman). 

 [Automolus] fumosus Sharpe, Hand-list, iii, 1901, G6. 



AUTOMOLUS CERVINIGULARIS CERVINIGULARIS (Sclater). 



BUFF-THROATED AUTOMOLUS. 



Adults (sexes alil-e). — Pileum and hindneck deep sooty brown or 

 dark sepia, the forehead paler; back, scapulars, and upper rump 

 plain warm-sepia or deep olive-brown, the wings similar but more 

 russet or cliestnut brown, the outer webs of primaries more or less 

 paler; lower rump, upper tail-coverts, and tail chestnut; loral region, 

 a distinct though narrow superciliary stripe, suboibital region, lower 

 portion of auricular region, anterior portion of sides of neck, chin, 

 and throat, deep buff or ochraceous-buff; upper portion of auricular 

 region dark sooty brown, forming a conspicuous postocular stripe; 

 median portion of chest and breast, together with abdomen, dull 

 grayish buff, passing laterally into olive-brown or raw-iuiiber on 

 sides and flanks and into cinnamon-rufous on under tail-coverts; 

 feathers of upper chest (sometimes those of sides of neck and sides 

 of lower throat also) more or less distinctly margined with olive- 

 brown or dusky; under wing-coverts and broad edgings to inner 

 webs of remiges ochraceous-bulf; maxilla horn color (more or less 

 dark) more blackish basally and on culmen; mandible pale brownish 

 or dull whitish (in dried skins), darker terminally, especially along 

 tomia; iris brown; legs and feet horn color (in dried skins). 



Youiuj. — Similar to adults but texture of plumage different. 



