The evidence points to central Asia as man's original home, for the general movement of human migrations has been outward from that region and not inward.

History in its broadest aspect is a record of man's migrations from one environment to another.

Nevertheless most of the evergreen forests of the north must always remain the home of wild animals and trappers, a backward region in which it is easy for a great fur company to maintain a practical monopoly.

In fact, the history of North America has been perhaps more profoundly influenced by man's inheritance from his past homes than by the physical features of his present home.

Geologists are rapidly becoming convinced that the mammals spread from their central Asian point of origin largely because of great variations in climate.

For the source of any characteristic so widespread and uniform as this adaptation to environment we must go back to the very beginning of the human race.