. The age of mammals in Europe, Asia and North America. Mammals, Fossil; Paleontology. THE EOCENE OF EUROPE AND NORTH AMERICA 165 by species closely allied to those of the Upper Briclger and in some cases identical with them. None of these genera, however, excepting the insec- tivore Hyopsodus and the rodent Pornmys survive into the Upper Uinta. A similar fauna is contained in the little-known Lower Uinta beds, south of the Uinta IVIountains. These three levels (Upper Bridgcr, Lower Washa- kie, Lower Uinta) may all be regarded as marking the c 1 o s e o f the. Fig. 65. — Pdlrioftlis, a powerfu
. The age of mammals in Europe, Asia and North America. Mammals, Fossil; Paleontology. THE EOCENE OF EUROPE AND NORTH AMERICA 165 by species closely allied to those of the Upper Briclger and in some cases identical with them. None of these genera, however, excepting the insec- tivore Hyopsodus and the rodent Pornmys survive into the Upper Uinta. A similar fauna is contained in the little-known Lower Uinta beds, south of the Uinta IVIountains. These three levels (Upper Bridgcr, Lower Washa- kie, Lower Uinta) may all be regarded as marking the c 1 o s e o f the. Fig. 65. — Pdlrioftlis, a powerful, jascuar-likc croodont of the Middle Eocene. Above : Skeleton of Patriofdix vorax from the Bridgcr. Below : Restoration of the same l)y (""harles R. Knight. Both in the American Museum of Natural History. Middle Eocene, although the distinction between Middle and Upper is naturally a somewhat artificial one and employed for purposes of con- venience. (3) Lower Uinta: Uintatherium Zone. — While the L^pper Bridger and Lower Washakie deposits were accumulating north of the Uinta Mountains, the base of the Uinta series began to form south of this range, in north- eastern Utah. The lowermost beds (Uinta A) are composed largely of. 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
