History of Human Society. Frank Wilson Blackmar
to take the trouble to clear away the shells from the habitation. The variety of implements and the degrees of culture which they exhibit give evidence that men lived a long time in this particular locality. Undoubtedly it was the food quest that caused people to assemble here. The evidences of the coarse, dark pottery, the stone axes, clubs, and arrow-heads, and the bones of dogs show a state of civilization in which differentiation of life existed. Shell mounds are also found along the Pacific coast, showing the life of Indians from the time when they first began to use shell-fish for food. In these mounds implements showing the relative stages of development have been found.
River and Glacial Drift (3). – The action of glaciers and glacial rivers and lakes has through erosion changed the surface of the soil, tearing out some parts of the earth's surface and depositing the soil elsewhere. These river floods carried out bones of man and the implements in use, and deposited them, together with the bones of animals with which he lived. Many of these relics have been preserved through thousands of years and frequently are brought to light. The geological records are thus very important in throwing light upon the antiquity of man. It is in the different layers or strata of the earth caused by these changes that we find the relics of ancient life. The earth thus reveals in its rocks and gravel drift the permanent records of man's early life. Historical geology shows us that the crust of the earth has been made by a series of layers, one above the other, and that the geologist determining the order of their creation has a means of ascertaining their relative age, and thus can measure approximately the life of the plants and animals connected with each separate layer.14 The relative ages of fishes, reptiles, and mammals, including man, are thus readily determined.
It is necessary to refer to the method of classification adopted by geologists, who have divided the time of earth-making into three great periods, representing the growth of animal life, determined by the remains found in the strata or drift. These periods mark general portions of time. Below the first is the period of earliest rock formation (Archaean), in which there is no life, and which is called Azoic for that reason. There is a short period above this, usually reckoned as outside the ancient life, on account of the few forms of animals found there; but the first great period (Paleozoic) represents non-vertebrate life, as well as the life of fishes and reptiles, and includes also the coal measures, which represent a period of heavy vegetation. The middle period (Mesozoic) includes the more completely developed lizards and crocodiles, and the appearance of mammals and birds. The animal life of the third period (Cenozoic) resembles somewhat the modern species. This period includes the Tertiary and the Quaternary and the recent sub-periods. Man, the highest being in the order of creation, appears in the Quaternary period. Of the immense ages of time represented by the geological periods the life of man represents but a small portion, just as the existence of man as recorded in history is but a modern period of his great life. The changes, then, which have taken place in the animals and plants and the climate in the different geological periods have been instrumental in determining the age of man; that is, if in a given stratum human remains are found, and the relative age of that stratum is known, it is easy to estimate the relative age of man.
Whether man existed prior to the glacial epoch is still in doubt. Some anthropologists hold that he appeared at the latter part of the Tertiary, that is, in the Pliocene. Reasons for assumption exist, though there is not sufficient evidence to make it conclusive. The question is still in controversy, and doubtless will be until new discoveries bring new evidence. If there is doubt about the finding of human relics in the Tertiary, there is no doubt about the evidence of man during the Quaternary, including the whole period of the glacial epoch, extending 500,000 years into the past.
The relics of man which are found in the drift and elsewhere are the stone implements and the flakes chipped from the flint as he fashioned it into an axe, knife, or hatchet. The implements commonly found are arrow-heads, knives, lance-heads, pestles, etc. Human bones have been found imbedded in the rock or the sand. Articles made of horn, bones of animals, especially the reindeer, notched or cut pieces of wood have been found. Also there are evidences of rude drawings on stone, bone, or ivory; fragments of charcoal, which give evidence of the use of fire in cooking or creating artificial heat, are found, and long bones split longitudinally to obtain marrow for food, and, finally, the remnants of pottery. These represent the principal relics found in the Stone Age; to these may be added the implements in bronze and iron of later periods.
A good example of the use of these relics to determine chronology is shown in the peat bogs of Denmark. At the bottom are found trees of pine which grew on the edges of the bog and have fallen in. Nearer the top are found oak and white birch-trees, and in the upper layer are found beech-trees closely allied to the species now covering the country. The pines, oaks, and birches are not to be seen in that part of the country at present. Here, then, is evidence of the successive replacement of different species of trees. It is evident that it must have taken a long time for one species thus to replace another, but how long it is impossible to say. In some of these bogs is found a gradation of implements, unpolished stone at the bottom, polished stone above, followed by bronze, and finally iron. These are associated with the different forms of vegetable remains.
In Europe stone implements occur in association with fossil remains of the cave lion, the cave hyena, the old elephant and rhinoceros – all extinct species. Also the bones and horns of the reindeer are prominent in these remains, for at that time the reindeer came farther south than at present. In southern France similar implements are associated with ivory and bones, with rude markings, and the bones of man – even a complete skeleton being found at one place. These are all found in connection with the bones of the elk, ibex, aurochs, and reindeer.
Burial Mounds (4). – It is difficult to determine at just what period human beings began to bury their dead. Primarily the bodies were disposed of the same as any other carrion that might occur – namely, they were left to decay wherever they dropped, or were subject to the disposal by wild animals. After the development of the idea of the perpetuation of life in another world, even though it were temporary or permanent, thoughts of preparing the body for its journey into the unknown land and for its residence thereafter caused people to place food and implements and clothing in the grave. This practice probably occurred about the beginning of the Neolithic period of man's existence, and has continued on to the present date.
Hence it is that in the graves of primitive man we find deposited the articles of daily use at the period in which he lived. These have been preserved many centuries, showing something of the life of the people whose remains were deposited in the mounds. Also in connection with this in furtherance of a religious idea were great dolmens and stone temples, where undoubtedly the ancients met to worship. They give some evidence at least of the development of the religious and ceremonial life among these primitive people and to that extent they are of great importance. It is evidence also, in another way, that the religious idea took strong hold of man at an early period of his existence. Evidences of man in Britain from the tumuli, or burial mounds, from rude stone temples like the famous Stonehenge place his existence on the island at a very early date. Judging from skulls and skeletons there were several distinct groups of prehistoric man in Britain, varying from the extreme broad skulls to those of excessive length. They carry us back to the period of the Early Stone Age. Relics, too, of the implements and mounds show something of the primitive conditions of the inhabitants in Britain of which we have any permanent record.
Battlefields and Village Sites (5). – In the later Neolithic period of man the tribes had been fully developed over a great part of the earth's surface, and fought for their existence, principally over territories having a food supply. Other reasons for tribal conflict, such as real or imagined race differences and the ambition for race survival, caused constant warfare. Upon these battlefields were left the implements of war. Those of stone, and, it may be said secondarily, of iron and bronze, were preserved. It is not uncommon now in almost any part of the United States where the rains fall upon a ploughed field over which a battle had been fought, to find exposed a large number of arrow-heads and stone axes, all other perishable implements having long since decayed. Or in some instances the wind blowing the sand exposes the implements which were long ago deposited during a battle. Also, wherever the Indian villages were located for a period of years, the accumulations of utensils and implements occurred which were buried by the action of wind or water. This represents
See p. 64.