Contents. 



Part I. The Juan Fernandez Islands. 



Chapter I. Composition, distrihution and relationi-hips of the Flora 193 



Chapter II. Sources of the island flora as judged by the total distribution of the 

 geographical elements, with special reference to the composition of the Chilean 



flora 256 



Chapter III. Composition, distribution and relationshijjs of the Fauna 292 



Chapter IV. Continental and Oceanic islands 317 



Chapter V. The Pacific Ocean and Continental iJrift 325 



Chapter \'l. Transoceanic migration 331 



Chapter VII. Biological characteristics of isolated islands 351 



Chapter VIII. Evolution in Oceanic islands 363 



Chapter IX. Juan Fernandez — oceanic or continental: 372 



Chapter X. The Chilean coast line and the history of the Andes 380 



Chapter XI. The Tertiary floras of Chile and Patagonia 386 



Chapter XII. Antarctica as a source of the present circumpolar floras 389 



Chapter XIII. The history of Juan Fernandez — a tentative sketch 394 



Part 2. Easter Island. 



Chapter XIV. Composition, distribution and relationships of the Flora 406 



Chapter XV. Composition, distribution and relationshij)s of the Fauna 417 



Chapter XVI. The biogeographical history of Easter Island 421 



Bibliography 428 



Printed October 26th, 1956. 



