It Will Be A Vast Boon To

Except On Their Southern Borders The Great Northern Forests Are Not Good As A Permanent Home For Man.

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.

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.

Curiously Enough Man's Body And His Mind Appear To Differ In Their Climatic Adaptations.

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.