movement are still in force. They are fixed in the
very constitution of man. And they are of supreme
importance at the present time, for they determine
what new institutions and what social changes are
now required to meet that higher growth of man.
A great number of scientific men have developed our knowledge of these laws of race growth. But thus far no writer has grouped them into clear forms of statement, with the necessary engravings, and thus made them accessible to the general reader. The present writer aims to supply this vital and urgent need in the following chapters.