first learned to economize and to make provision for the future. In part, indeed, the influence of these cultural beginnings persists even to-day. Moreover, just as mixed food, part plant and part animal, is by far the most common to-day, so also was it the original diet of man. The proportion, however, varied more than in later times, according as the external conditions of life were propitious or otherwise. Of this the Bushmen afford a striking illustration. Fifty years ago they were still by preference huntsmen. Armed with their bows, they dared to hunt the elephant and the giraffe. But after the surrounding peoples of South Africa--the Hottentots, Betschuans, and Herero--came into the possession of firearms, which the Bushman scornfully rejects, the game was, in part, exterminated, and to-day the Bushmen, crowded back into rocky wastes, derive but a small part of their living from the chase. They gather bulbs, roots, and other parts of plants, such as can be rendered edible by boiling or roasting. Their animal food, moreover, is no longer wild game, but consists, for the most part, of small animals found while gathering the plant food--frogs, lizards, worms, and even insects. Hunting, therefore, was never more than one of the customary means of providing food; and primitive man, especially, was a gatherer rather than a hunter. The word 'gatherer' implies also that he took from nature only what it directly offered, and that he was familiar neither with agriculture nor with the raising of animals. In procuring his food, moreover, he was aided by a knowledge, often surprising, of the properties of the objects gathered. This knowledge, probably gained as a result of many disastrous experiences in his search for food, enabled primitive man to utilize even such roots and fruits as are not wholesome in their raw state, either because they are not edible until prepared by means of fire, or because they are poisonous. Primitive man learned to overcome the injurious effects of many of these plants. By reducing them to small pieces, washing them in a solution of lye, and heating them, he converted them into palatable food. The bulbs and roots were secured from beneath the surface of the ground by means of the most primitive of all agricultural implements and the progenitor of all succeeding ones, the _digging-stick_. This is a wooden stick, with a pointed end that has been hardened by fire.