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Updated: June 15, 2025
In the paddles of the whale and other animals of its order, we see the same bones as in the more highly developed extremities of the land mammifers; and even the serpent tribes, which present no external appearance of such extremities, possess them in reality, but in an undeveloped or rudimental state. The same law of development presides over the vegetable kingdom.
Upon those dull and somber shores passed a spectral row of the mammifers of early days, the great Liptotherium found in the cavernous hollow of the Brazilian hills, the Mesicotherium, a native of the glacial regions of Siberia.
Animals of a higher grade were now formed; fishes became abundant, and amphibious monsters, huge lizards and other reptiles, with an imperfect apparatus of respiration, began to breathe an atmosphere not yet fitted for birds and mammifers. It is not necessary to trace out the comparatively well known facts and theories of geological science, that are incorporated into this history.
Finally, on the large continents, huge mammifers make their appearance, their limbs misshapen, like pieces of wood badly squared, their hides thicker than plates of bronze, or else shaggy, thick-lipped, with manes and crooked fangs.
Richardson's Report, p. 157; also L'Institut, 1837, p. 253. Cuvier says the kinkajou is found in the larger Antilles, but this is doubtful. M. Gervais states that the Didelphis crancrivora is found there. It is certain that the West Indies possess some mammifers peculiar to themselves. A tooth of a mastadon has been brought from Bahama; Edin. New Phil. Journ., 1826, p. 395.
Land-plants and animals came next, though of a low type; continually advancing orders of beings, reptiles, birds, and mammifers, suited to the improved condition of things, successively appeared, until, at the latest epoch, man entered upon the scene, the head of animated nature as at present constituted, with powers and capacities well adapted for the full enjoyment of the augmented riches of the earth.
The Pampean formation is highly interesting from its vast extent, its disputed origin, and from the number of extinct gigantic mammifers embedded in it.
"We shall soon see," replied Cousin Benedict, who, after all, would give all the mammifers of the Arctic or Antarctic seas for an insect of a rare species. "Steer, Bolton, steer!" cried Captain Hull again, "and do not board the wreck. Keep a cable's length. If we cannot do much harm to this hull, it might cause us some damage, and I do not care to hurt the sides of the 'Pilgrim' with it.
At the period, so recent in a geological sense, when these extinct mammifers existed, the two Americas must have swarmed with quadrupeds, many of them of gigantic size; for, besides those more particularly referred to in this chapter, we must include in this same period those wonderfully numerous remains, some few of them specifically, and others generically related to those of the Pampas, discovered by MM. Lund and Clausen in the caves of Brazil.
"I have," he said to all inquirers, "five hundred ornithological objects, two hundred mammifers, five thousand insects, three thousand shells, and seven thousand specimens of minerals." "What patience you have had!" said the ladies. "One must do something for one's country," replied the collector.
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