Poecile palustris -- Coal Tit. Alternate name on piece: Parus ater and Parus palustris [Cole tit]; Parus palustris Tracing on tissue. The page is complete with the Goulds' signature in the drawing, and carefully lettered artist, title, and printer cutlines. Reversed on the stone. Artist's name(s): Gould, John; Gould, Elizabeth.