CONTENTS. 



CHAPTER VII. 



PAGE 



PLANTS FROM THE TERTIARY TO THE MODERN PERIOD . . .219 



CHAPTER VIII. 



GENERAL LAWS OP ORIGIN AND MIGRATIONS OF PLANTS RELATIONS 

 OF RECENT AND FOSSIL FLORAS ...... 237 



APPENDIX. 



I. COMPARATIVE VIEW OF PALAEOZOIC FLORAS .... 273 

 II. HEER'S LATEST STATEMENTS ON THE GREENLAND FLORA . .281 



III. MINERALISATION OF FOSSIL PLANTS ...... 284 



IV. GENERAL WORKS ON PAL^EOBOTANY ...... 286 





