Tracing on tissue. For publication the principal bird was completely changed so as to show the crest, pectoral shield and mantle in the erect positions; the plate in Sharpe's Birds of Paradise differs only in the addition of "(Penn.)" to the binomial, and the printer's credit "Mintern Bros." in place of "Walter"; the text in Sharpe's Birds of Paradise is heavily revised. Artist's name(s): Gould, John; Hart, William Matthew.