CONTENTS 



CHAP. PAGE 



I. THE EARLIEST PICTURE IN THE WORLD . . i 



II. PORTRAITS OF MAMMOTHS BY MEN WHO SAW 



THEM ....... 26 



III. THE ART OF PREHISTORIC MEN . . - 35 



IV. VESUVIUS IN ERUPTION . . . -55 

 V. BLUE WATER . . . . . -74 



VI. THE BIGGEST BEAST . . . . .84 



VII. WHAT is MEANT BY "A SPECIES"? . . -92 



VIII. MORE ABOUT SPECIES . . . . .100 



IX. SPECIES IN THE MAKING . . . .108 



X. SOME SPECIFIC CHARACTERS . . . .118 



XI. HYBRIDS . . . . . . -131 



XII. THE CROSS-BREEDING OF RACES . . . 139 



XIII. WHEEL ANIMALCULES . ': . - . . 157 



XIV. MORE ABOUT WHEEL ANIMALCULES . . .165 

 XV. SUSPENDED ANIMATION . . . .173 



XVI. MORE ABOUT SUSPENDED ANIMATION . 182 



XVII. THE SWASTIKA . . . . . .191 



XVIII. THE ORIGIN OF THE SWASTIKA . . .200 



XIX. THE TOMOYE AND THE SWASTIKA . . . 209 



XX. COAL . . . . . .217 



XXI. BORING FOR OIL ..... 223 



XXII. THE STORY OF LIME-JUICE AND SCURVY . . 229 

 INDEX ....... 239 



