The coast of British Columbia was one of the three chief centers of aboriginal America.

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.

Man could not stay there forever. He was bound to spread to new regions, partly because of his innate migratory tendency and partly because of Nature's stern urgency.

Year by year we are learning that in this restless, strenuous American life of ours vacations are essential.

Although mountains may guide migrations, the plains are the regions where people dwell in greatest numbers.

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.

The Negro, however, has been tested on an extensive scale.