The Negro, However, Has Been Tested On

Although Mountains May Guide Migrations, The Plains Are The Regions Where People Dwell In Greatest Numbers.

The Buffalo Is A Surprisingly Stupid Animal.

The Whole History Of Life Is A Record Of Cycles.

No Part Of The World Can Be Truly Understood Without A Knowledge Of Its Garment Of Vegetation, For This Determines Not Only The Nature Of The Animal Inhabitants But Also The Occupations Of The Majority Of Human Beings.

The Human Organism Inherits So Delicate An Adjustment To Climate That, In Spite Of Man's Boasted Ability To Live Anywhere, The Strain Of The Frozen North Eliminates The More Nervous And Active Types Of Mind.