Drawing depicting: Drepanornis bruijni, Signed in the composition: "T. G. Keulemans"; artist credit at foot: "W. Hart lith.", Litho print; non-standard coloring?: colors vary from KU bound volume. Same lithograph as Gould 2124, with similar but inconsistent coloring. See note to Gould 2086. The plate of Drepanornis bruijni at Birds of New Guinea I: 12 is completely different.