. The age of mammals in Europe, Asia and North America. Mammals, Fossil; Paleontology. OLIGOCENE OF EUROPE, NORTH AFRICA, AND NORTH AMERICA 199 Old World Miocene pigs (Listriodon, Choerotherium, see p. 253) are at best regarded as aberrant branches of the main Old World { Propalwochoerus) stem. II. UPPER EOCENE AND OLIGOCENE LIFE OF AFRICA The epoch-making discoveries of recent years in Egypt have already been briefly referred to (p. 72), and now deserve a fuller treatment. On Megalohyrax Apterodon Ancodoa . Arsirioithcrium Nelaphiomya Apidium ARSINOITHERIUM Arsinottherium Rhagalhenam Pala
. The age of mammals in Europe, Asia and North America. Mammals, Fossil; Paleontology. OLIGOCENE OF EUROPE, NORTH AFRICA, AND NORTH AMERICA 199 Old World Miocene pigs (Listriodon, Choerotherium, see p. 253) are at best regarded as aberrant branches of the main Old World { Propalwochoerus) stem. II. UPPER EOCENE AND OLIGOCENE LIFE OF AFRICA The epoch-making discoveries of recent years in Egypt have already been briefly referred to (p. 72), and now deserve a fuller treatment. On Megalohyrax Apterodon Ancodoa . Arsirioithcrium Nelaphiomya Apidium ARSINOITHERIUM Arsinottherium Rhagalhenam Palatomasiodon HoenUithum Hegalohyrax Ancodon. PtoUmciia, Sa^/uuAerittm Phiomys Pierodon Aplerodoa. Fig. 89.—Section throuKh the Eocene and Oligocene formations north of Lake Qiirun, Fayum, Egypt. Arrows indicate levels richest in remains of mammals. After Beadnell, Andrews, Granger, Osborn. the southern borders of the Libyan Desert, sixty miles southwest of Cairo, lies a series of bluffs of Upper Eocene and Oligocene age, overlying the fertile basin of the Fayiim. As early as 1879, Schweinfurth discovered some bones of the great Eocene whales among the lower westerly bluffs of what may be known as the Zeuglodon Zone (Fig. 89). In 1898 came the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Osborn, Henry Fairfield, 1857-1935. New York, The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpaleontology, bookyea
