420 Chapman, The Genus Scytalopus Gould. [oct^ 



with heavier feet and bill, the latter being much vertically com- 

 pressed with the culmen sharply ridged and basally elevated, while 

 in sanctoe-martce as in micropterus, the bill is more subulate. The 

 fact that in immature plumage both the species just named have 

 the upperparts brown, doubtless misled Mr. Bangs in referring his 

 immature specimen of sanctoe-martce to S. sylvestris. 



In the specimens which I identify as sylvestris the upperparts are 

 brown in the adult and are of a distinctly different shade, olive- 

 brown rather than mummy-brown or Prout's brown as in sanctce- 

 martce or micropterus. An adult from the Subtropical Zone near 

 Merida, Venezuela appears to be conspecific with this form. 



Specimens examined. — Colombia: Valparaiso, 3; San Francisco, 

 1; Venezuela; Andes near Merida, (alt. 6,500 ft.), 1. 



Scytalopus panamensis sp. now 



Char. sp. — Most nearly related to Scytalopus argentifrons Ridgw., but 

 forehead black like the crown; supra-ocular stripe whiter, broader, more 

 pronounced; underparts, particularly throat, paler gray; size larger, bill 

 longer and heavier. 



Type. — No. 135591, American Museum of Natural History, d 1 ad. 

 Tacarcuna (3,600 ft.), eastern Panama, March 6, 1915; H. E. Anthony 

 and D. S. Ball. 



Range. — Subtropical Zone of the Santa Espiritu Mts., eastern Panama. 



Description of Male. — Entire crown and foreback slate-black, becoming 

 dark mummy-brown on the lower back and brighter, more rusty on the 

 rump and upper tail-coverts, which are barred with black; a broad, sharply 

 defined silvery-white line passes over the eye from above the front of the 

 orbit to the nape and is separated from the auriculars by a slaty-black post- 

 ocular stripe; auriculars somewhat grayer; lores dusky; orbital ring black- 

 ish; tail blackish with a slight tinge of brown; wings slaty-black with a 

 slight trace of mummy-brown in the outer margins of quills and coverts, 

 increasing in amount internally; throat and rest of underparts centrally, 

 pale neutral gray; the sides darker; the flanks, ventral region and under 

 tail-coverts distinctly barred with black and bright tawny or ochraceous- 

 tawny; feet (skin) brownish black; bill black. 



Female. — Similar to the male, the superciliary stripe less bright and 

 not so pronounced; the upperparts washed with mummy-brown. 



Remarks. — This is one of the most interesting species secured 

 by our recent expedition to the mountains of eastern Panama. Ten 

 specimens, six males and four females, all apparently adult, were 



