Sterna dougallii gracilis -- Roseate Tern, Charrán rosado, Sterne de Dougall. Alternate name on piece: Sterna gracilis [Graceful tern] Birds well drawn, minor background changes in published plate. (Artist's whimsy: a squadron of sailing ships on the horizon in the drawing.) Artist's name(s): Gould, John; Richter, Henry Constantine.