xii 



CONTENTS. 



PART II. 



INSULAR FAUNAS AND FLORAS. 

 CHAPTER XI. 



THE CLASSIFICATION OF ISLANDS. 



Importance of Islands in the study of the Distribution of Organisms— Classification 

 of Islands with reference to Distribution — Continental Islands — Oceanic Islands 



Fages 233—237 



CHAPTER XII. 

 OCEANIC ISLANDS : — THE AZORES AND BERMUDA. 



THE AZOKES, OR WESTERN ISLANDS. 



Position and physical features — Chief Zoological features of the Azores — Birds — 

 Origin of the Azorean bird-fauna — Insects of the Azores — Land-shells of the 

 Azores — The flora of the Azores— The dispersal of seeds — Birds as seed-carriers 

 — Facilities for dispersal of Azorean plants — Important deduction from the 

 peculiarities of the Azorean fauna and flora Pages 238 — 253 



BERMUDA. 



Position and physical features — The Red Clay of Bermuda — Zoology of Bermuda — 

 Birds of Bermuda — Comparison of the bird-faunas of Bermuda and the Azores — 

 Insects of Bermuda — Land Mollusea— Flora of Bermuda — Concluding remarks on 

 the Azores and Bermuda Pages 253—264 



CHAPTER XIII 



THE GALAPAGOS ISLANDS. 



Position and physical features — Absence 'of indigenous Mammalia and Amphibia — 

 Reptiles — Birds — Insects and Land-shells — The Keeling Islands as illustrating the 

 manner in which Oceanic Islands are peopled— Flora of the Galapagos — Origin of 

 the Flora of the Galapagos— Concluding Remarks . . . Pages 265—280 



