Title Page
INTRODUCTORY NOTE
INTRODUCTION
I. THE ROMANCE OF THE HEAVENS
THE SCALE OF THE UNIVERSE
THE SOLAR SYSTEM
THE STELLAR UNIVERSE
ASTRONOMICAL INSTRUMENTS
II. THE STORY OF EVOLUTION
INTRODUCTORY
FIRST GREAT STEPS IN EVOLUTION
THE INCLINED PLANE OF ANIMAL BEHAVIOUR
THE PROCESSION OF LIFE THROUGH THE AGES
EVOLUTION OF LAND ANIMALS
THE GEOLOGICAL MIDDLE AGES
THE EVIDENCES OF EVOLUTION—HOW IT CAME ABOUT
III. ADAPTATIONS TO ENVIRONMENT
1. THE SHORE OF THE SEA
2. THE OPEN SEA
3. THE DEEP SEA
4. THE FRESH WATERS
5. THE DRY LAND
6. THE AIR
IV. THE STRUGGLE FOR EXISTENCE
V. THE ASCENT OF MAN
VI. EVOLUTION GOING ON
VII. THE DAWN OF MIND
Senses of Fishes
The Mind of a Minnow
The Mind of Amphibians
The Reptilian Mind
Mind in Birds
The Mind of the Mammal
THE MIND OF MONKEYS
VIII. FOUNDATIONS OF THE UNIVERSE
THE WORLD OF ATOMS
THE DISCOVERY OF X-RAYS AND RADIUM
THE DISCOVERY OF THE ELECTRON AND HOW IT EFFECTED A REVOLUTION IN IDEAS
THE ELECTRON THEORY, OR THE NEW VIEW OF MATTER
WHAT IS ELECTRICITY?
ETHER AND WAVES
LIGHT—VISIBLE AND INVISIBLE
ENERGY: HOW ALL LIFE DEPENDS ON IT
MATTER, ETHER, AND EINSTEIN
INFLUENCE OF THE TIDES: ORIGIN OF THE MOON: THE EARTH SLOWING DOWN
