History In Its Broadest Aspect Is A

From First To Last The Civilization Of America Has Been Bound Up With Its Physical Environment.

Geologists Are Rapidly Becoming Convinced That The Mammals Spread From Their Central Asian Point Of Origin Largely Because Of Great Variations In Climate.

With Every Throb Of The Climatic Pulse Which We Have Felt In Central Asia,, The Centre Of Civilisation Has Moved This Way And That. Each Throb Has Sent Pain And Decay To The Lands Whose Day Was Done, Life And Vigour To Those Whose Day Was Yet To Be.

The Negro, However, Has Been Tested On An Extensive Scale.

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