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Phylogeny of early Tertiary Carnivora : with a description of a new species of Protictis from the Middle Eocene of northwestern Wyoming - Flynn, John J. (John Joseph), 1955 - (American Museum of Natural History, 1982)

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The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe. Two volumes in one. Embracing also an account of the expeditions of all the Arctic explorers from the discovery of Iceland ... to Hall's last expedition ... together with the wonderful discoveries, and adventures of Agassiz, Livingstone, Wallace, and other distinguished travelers in the tropical countries - Hartwig, G. (Georg), 1813 -1880 (C. A. Nichols, 1875)

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