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CONTENTS
CHAPTER I
WHAT LIFE is, AND WHENCE IT COMES . . i
CHAPTER II
SPECIES THEIR NUMBERS, VARIETY, AND DISTRIBUTION . n
CHAPTER III
PAGE
THE NUMERICAL DISTRIBUTION OF BRITISH PLANTS :
TEMPERATE FLORAS COMPARED . . . . .22
CHAPTER IV
THE TROPICAL FLORAS OF THE WORLD . . .40
CHAPTER V
THE DISTRIBUTION OF ANIMALS . . . .83
CHAPTER VI
THE NUMERICAL DISTRIBUTION OF SPECIES IN RELATION TO
EVOLUTION . r
. . . . .93
CHAPTER VII
HEREDITY, VARIATION, INCREASE ....
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