Pachycephalopsis hattamensis [Pachycephla hattamensis on plate]1882StillImageDrawing depicting: Pachycephalopsis hattamensis -- Green-backed Robin. Alternate name on piece: Pachycephalopsis hattamensis [Pachycephla hattamensis on plate] [Hattam thickhead]Gould, John , 1804-1881 (artist)Hart, William Matthew , 1830-1908 (artist)Tracing on tissue.ku-gould:18775https://digital.lib.ku.edu/ku-gould/18775Gould 1543OrnithologyOrnithological illustrationPachycephalopsis hattamensiselectronicimage/tiffThe birds of New Guinea and the adjacent Papuan islands, including many new species recently discovered in Australia--https://digital.lib.ku.edu/ku-gould/2811--Ellis Aves H129This work is free of known copyright restrictions.