The Negro, However, Has Been Tested On

A Journey Of Four Hundred And Thirty Miles Can Be Made In Any Part Of The United States, But In Turkey It Takes As Many Days.

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.

Thus The Races, Though Alike In Their Physical Response To Climate, May Possibly Be Different In Their Mental Response Because They Have Approached America By Different Paths.

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.