English: 1=Adélie Penguins on the ice-foot at Cape Adare in the Antarctic. Photo taken in 1911 or 1912 by George Murray Levick, a member of Robert Scott's Terra Nova Expedition. Published in Scott's Last Expedition (1913). Dodd, Mead, and Company. New York. Volume II. Page 87. Also published in Levick, G. Murray (1914). Antarctic Penguins: a study of their social habits. New York: McBride Nast and Company.