More remarkable still was that great hairy Elephant, called the Mammoth, which appears to have swarmed in those cold plains by myriads. Of equal dimensions to the Indian species of the present age, this denizen of the north had far more enormous curving tusks, and instead of the naked hide of those we are familiar with, his body was encased in black hair, with a thick under stratum of red curled wool, and bore a long mane on the ridge of the neck. There was, at the same time, a quadruped, nearly allied to the elephants, but differing from them in some technical characters. With a body equally bulky, but considerably longer, it had shorter limbs, a broader head, small tusks in the lower, as well as large curving ones in the upper jaw, and probably a trunk intermediate between the elephant's and the tapir's. Truly cosmopolite as this great Mastodon was, for we dig up his bones from all parts of the world, he had his head-quarters in North America, where, from his dimensions and his numbers, he must have formed a very characteristic feature of the primeval swamps and forests. There, with his tusks, he grubbed up the young trees, whose juicy roots he ground down with his great mammillary molar teeth, or chewed up to a pulp the sapwood of the recent branches and spicy twigs. And ever and anon he would resort to the broad saline marshes,--the "Licks," as they are now called,--to lick up the crystallised salt on their margins, so grateful to all herbivorous quadrupeds. Here, in his eagerness to gratify his palate with the pungent condiment, he would press farther and farther into the treacherous quagmire, till he began to sink, and then, in his terror, he would plunge and flounder, getting more and more deeply bemired, till at length he could struggle no more, and the bog would close over him, and he would be no more seen till some spectacled geologist of this nineteenth century, note-book in hand, would go and dig up his remains, marvelling at the freshness with which they had been preserved in the antiseptic peat. But let us look at South America, where, as the great back-bone chain of the Andes is being elevated out of the sea, the torrents and cataracts are pouring down from its sides immense quantities of crumbled rock and pasty mud, which, deposited upon the vast tabular field, brought by the upheaving just to the level of the sea, forms that grand alluvial plain unequalled on the face of the globe for extent, which is clothed with the mighty forests of Guiana and Brazil, or with the tall grass and thistles of the Pampas. The torrents still fall; and, meandering through this glorious plain, unite and form the most majestic of rivers, ever depositing the rich alluvium, and thus sensibly augmenting, to this day, the breadth of their noble continent, and their own length.