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.

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.

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.

Except on their southern borders the great northern forests are not good as a permanent home for man.

Although farming of any sort was almost as impossible in the plains as in the dry regions of winter rains farther west, the abundance of buffaloes made life much easier in many respects.

We are learning, too, that the love of beauty is one of Nature's greatest healers.

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