... Sclerurus canigularis ( p . 166 ) . bb . Chin and throat bright russet or rufous - tawny , like chest . ( Sclerurus ... guatemalensis ( p . 169 ) . cc . General color olivaceous . ( Western Peru . ) Sclerurus olivascens ...
... Sclerurus guatemalensis ( Hartlaub ) .. Key to the Central American Genera of Furnariidæ .. Genus 1. Sclerurus Swainson ..... Key to the Species and Subspecies of Sclerurus .. 1. Sclerurus canigularis Ridgway ............ . 2. Sclerurus ...