CONTENTS 



PART I. THE PRESENT POSITION 

 OF AGE AND AREA 



CHAP. PAGE 



I. Introductory 1 



II. The Dispersal of Plants into New Areas . 10 



III. The Introduction and Spread of Foreign 



Species 21 



IV. Acclimatisation 29 



V. Causes which favour or hinder the Dis- 

 persal OF Species 32 



VI. Age and Area 54 



VII. Age and Area {contd.). Confirmation by 



Prediction 66 



VIII. Age and Area {contd.). Invasions ... 70 



IX. Objections to the Hypothesis ... 84 



PART II. THE APPLICATION OF AGE AND AREA 



TO THE FLORA OF THE WORLD, 



AND ITS liSIPLICATIONS 



X. The Position of the Age and Area Theory 101 



By H. B. GUPPY, M.B., F.R.S. 



XI. The Further Extension of the Application 



of Age and Area 107 



XII. Size and Space 113 



XIII. Age and Area, and Size and Space, in the 



Compositae 119 



By Jajies Small, D.Sc, F.L.S. 



