FASCIATED ANTSHRIKE 



dd. Upper parts brown. 



e. Dense compact plumage, sides of neck 



and narrow band across foreneck 



chestnut, throat black, under parts 



brownish gray. . . . Formicarius analis 



panamensis (sexes alike) 



ee. Concealed white patch on back, under 



parts plain rufous chestnut 



.... Gymnocichla n, nudiceps, female 

 cc. Upper parts olive or tawny rufous, not 



terrestrial. 

 d. Upper parts mostly olive brownish. 



e. Upper parts, including sides of head, 



bright orange tawny 



.... Cercomacra tyrannina rufiventris, 



female 



ee. Under parts buffy olive or tawny buff. 

 f . Under parts buffy olive ; more brown- 

 ish above, the wing coverts tipped 



with buff 



Thamnophilus punctatus atrinu- 

 chus, female 



ff. Under parts tawny buff with dusky 

 streaks on chest; no buff tips to 



wing 



. . . Dysithamnus puncticeps, female 



dd. Stout; conspicuous crest, upper parts 



rufous chestnut, sides of head striped 



black and buff, under parts tawny buff 



. . Thamnophilus doliatus nigricristatus, 



female 



i. Cymbilaimus lineatus fasciatus Ridgway 

 Fasciated Antshrike 



Length 167 mm. (6.60 in.); tail 68 mm. 

 (2.65 in.). 



Male. Crest black, remaining upper parts 

 black barred with fine lines of white; sides of 

 head and neck and under parts minutely but 

 more coarsely barred black and white. 

 242 



