All industries suppose utensils; and the matter of which these utensils are made furnishes the means of determining to a certain extent the degree of civilization attained by people whom we know only by traces they have left.
In the beginning we see stone alone used to fabricate utensils and weapons; for these two things proceed together. Everywhere, man is at first content to shape more or less perfectly matter furnished him by the soil. Look at these samples of stones (Fig. 3) which have served as hatchets, whether for domestic use or war. You see they are fashioned very simply. These objects came from our soil; they served our first ancestors and attest the truth I have just stated.
In proportion as man progresses, he is not content simply to shape the stone; he polishes it. His first attempts in this way are coarse enough. At first the edge of the hatchet alone is polished. Later the entire hatchet, and sometimes in a remarkable manner (Fig. 4).
Fig. 4.
The hatchets as well as the knives are generally of silex, that is, of that species of stone which formerly served as flint in striking fire. Its hardness explains why it was chosen for these purposes. When it
