yiii CONTENTS 



CHAPTER IX 



PAGK 



SEED PLANTS (SPERMATOPHYTA) (GYMNOSPERM^E) . . 158 



CHAPTER X 

 ANGIOSPERIMLE (MONOCOTYLEDONS) 177 



CHAPTER XI 

 DICOTYLEDONS 199 



CHAPTER XII 



GEOLOGICAL AND GEOGRAPHICAL DISTRIBUTION . . 220 



CHAPTER XIII 

 ANIMALS AND PLANTS 242 



CHAPTER XIV 

 INFLUENCE OF ENVIRONMENT 261 



CHAPTER XV 



SUMMARY AND CONCLUSION . 284 



