Antechinus swainsonii -- Dusky Antechinus. Alternate name on piece: Antechinus swainsoni [Swainson's antechinus] 3 quick form sketches in background; flower forms in the drawing background not used in the published plate. Artist's name(s): Gould, John; Richter, Henry Constantine. Layout drawing, Gould's conceptual sketch reworked by Richter