ALFRED RUSSEL WALLACE. The Beaver. The Geographical Distribution of Animals, with a study of the relations of living and extinct faunas as elucidating the past changes of the earth's surface. ... . London, 1876. Source: 07209.dd.1 plate XXXVI.
The Beaver. The Geographical Distribution of Animals, with a study of the relations of living and extinct faunas as elucidating the past changes of the earth's surface. ... . London, 1876. Source: 07209.dd.1 plate XXXVI.