Conflicting accounts of the American Aborigines—Recent discoveries—Climate of California in Tertiary Times—Geological changes near its close—Description of Table Mountain—Results of the discoveries there—The Calaveras skull—Other relics—Discussion of the question—Early Californians Neolithic—Explanation of this—Date of the Pliocene Age—Other discoveries bearing on the Antiquity of man—Dr. Koch’s discovery—Discoveries in the Loess of Nebraska—In Greene County, Ill.— In Georgia—Difficulties in detecting a Paleolithic Age in this country—Dr. Abbott’s discoveries—Paleolithic Implements of the Delaware—Age of the deposits—The race of Paleolithic man—Ancestors of the Eskimos—Comparison of Paleolithic Age in this country with that in Europe—Eskimos one of the oldest races in the World.
the energy and skill of Columbus were crowned with success, and the storm-tossed Atlantic was found to lave the shores of a western continent, reflecting minds in Europe were much interested in the strange stories they heard of the inhabitants of the New World. On the one hand Spanish adventurers told scarcely credited stories of populous cities, temples glittering with gold and silver ornaments, and nations possessed of a barbaric civilization scarcely inferior to their own. On the other hand were accounts of morose savages, cruel and vindictive in nature, depending on fishing and the chase for a livelihood. Nearly four centuries have elapsed since that time. The aboriginal inhabitants have nearly disappeared, leaving their origin and prehistoric life almost as great a riddle to us as it was to the early colonists.
But in endeavoring to unroll the pages of their history, we have chanced upon some strange discoveries. The Aztecs, that people whose culture is to-day such an enigma to our scholars, are known to be a late arrival in the valley of Anahuac. They were preceded in that section by a mysterious people, the Toltecs, whose remains excite our liveliest curiosity, but of which we have yet learned but little. Yucatan is shown to have been for many centuries the home of a people whose advancement equated that of the Aztecs at their palmiest day. Like important discoveries attended the labors of explorers in the North. The entire valley of its great river is known to have been the home of a numerous population, that, from the nature of their remains, we call the Mound-builders. Who these people were, when and whence they came, and whither they went, are questions whose solution is by no means accomplished. Nor are such discoveries the only results. A study of their institutions has done much in revealing the constructions of ancient society, and thereby throwing light on some mysterious chapters of man’s existence.
Of late years interest in the antiquity of man in America has been reawaked by the discoveries of human remains in Pliocene deposits in California, and the Glacial gravel of the Delaware at Trenton, New Jersey. Before this it was supposed that we had no authentic instance of human remains in America found under such circumstances that it was necessary to assign to them a profound antiquity. If these latter day discoveries be true, we can not escape the conclusion that man lived in America at as early a date as that indicated by any of the European explorations. Some hold that the proof of his existence here in Pliocene times is far more satisfactory than any evidence of his presence in Europe during this time. There is something fascinating in this belief. If some of the most eminent scientists of America are not mistaken, man lived on our Pacific coast before the great ice-sheets that pulverized the surface of the earth and dispersed life before them came down from the north. He ranged along the western rivers before the volcanic peaks of the Sierras were uplifted, and his old hunting-grounds are to-day buried underneath the greet lava flow which desolated ancient California and Oregon. But this assertion has not been allowed to pass undisputed, nor has it received the assent of all scientists.
We can easily understand why scholars subject all questions relating to the first appearance of man to very careful scrutiny. If a competent geologist should assert that he had found, in undoubted Pliocene formations, bones of some species of animals not hitherto suspected of living at that date, his statement would be accepted as proof of the same. But in the case of man, every circumstance is inquired into. It is but right that the utmost care should be exercised in this direction. But, on the other hand, we are not justified in demanding mathematical demonstration in every case of the accuracy of a reported discovery. Yet such seems to be the position of a portion of the scientific world. For, although they willingly admit that man has lived on the earth for a very long time indeed, they urge all sorts of objections to extending that time into a past geological age.
Accordingly, when Professor Whitney states as the result of many years spent in the investigation of the Tertiary formation of California, that he finds evidence of the existence of man in the Pliocene Age, it is not strange that one part of the scientific world listens incredulously to his statements, and are at once ready to explain away the facts on which he relies. He may, of course, be mistaken, for it is human to err, but his proofs are sufficiently strong to convince some of the best scholars in America. We can do no more than to lay the facts before the reader and let him judge for himself.
We have seen what a genial climate prevailed in Europe during the Tertiary Age. This must also have been true of California. A rich and varied vegetation decked the land. The great trees of California of our day then flourished in Greenland, Iceland, and Western Europe. The cypress of the Southern States was then growing in Alaska and other high northern latitudes. The climate probably passed from a tropical one, in early Tertiary times, to a milder or temperate one in Pliocene times. Amongst the animals inhabiting America were three species of camels. Rhinoceroses, mastodons, and elephants trooped over the land. Tigers and other carnivore prowled in the forests. Herds of horse-like animals, one scarcely distinguishable from our common horse, grazed in the valleys, along with several species of deer. From the presence of the old drainage beds, we know that majestic rivers rolled their watery burden through the land. Such a country might well afford a home for man if he were present.
To understand fully the course of events which now took place we must venture on geological ground. The great Pacific Ocean, lying to the west of America, is constantly exerting a lateral pressure, which during Tertiary times showed its effect in the uplifting of the great mountain ranges of the western coast.2 During late Tertiary times, as a counterpart to the upward movement, a great subsidence commenced in the Pacific region.3 Doubtless many islands, some think an entire continent even, disappeared beneath the waves. The completion of the various mountain ranges left the coast firm and unyielding; hence, as it could not bend before the fiery flood forced upward from below by the downward motion just mentioned, it broke, and the torrent of molten rock leaped out as a lava flow. In consequence of this, near the close of Pliocene times, the surface of California and Oregon, especially the north of California, became buried under the lava and ashes of the most desolating volcanic outbreak that the earth has ever known.
Let us now see what bearing this has on the question of the antiquity of man. Scattered here and there throughout California are numerous masses of basaltic lava, which appear as elevated ridges, the softer strata around having been denuded away. They have received the general name of Table Mountains. They have not only been noted for their picturesque beauty, but miners long since found that the gravels underneath the lava covering were rich in gold. In Tuolumne County the Table Mountain is a flow of lava which originated in lofty volcanoes several miles away.