Owen and Moa skeleton

Plate XCVII of Owen and a Moa Skeleton, Richard Owen, Memoirs on the Extinct Wingless Birds of New Zealand, Vol. 2 (London: John van Voorst, 1879). This image is in the public domain in the United States because its copyright has expired. Courtesy of Wikipedia Commons: http://en.wikipedia.org/wiki/File:Dinornis1387.jpg