WeV 



CONTENTS 



CHAP. PAGE 



I INTRODUCTION THE DARWINIAN THEORY 

 NATURE OF THE EVIDENCE THE FOSSIL 

 RECORD 7 



II THE EVOLUTION OF THE FLOWERING PLANTS 4 

 THE PROBLEM 28 



III THE EVOLUTION OF THE FLOWERING PLANTS 



THE EVIDENCE 56 



IV THE EVOLUTION OF THE SEED-PLANTS .... 98 



V THE EVOLUTION OF THE HIGHER SPORE-PLANTS 



THE FERNS 135 



VI THE EVOLUTION OF THE HIGHER SPORE-PLANTS 



THE CLUB-MOSSES 155 



VII THE EVOLUTION OF THE HIGHER SPORE-PLANTS 



THE HORSETAILS AND THE SPHENOPHYLLS 193 



VIII CONCLUSION 219 



GLOSSARY 241 



BIBLIOGRAPHY 245 



INDEX. . 248 



