ISLAND LIFE 

 



THE PHENOMENA AND CAUSES OF 



INSULAR FAUNAS AND FLORAS 



INCLUDING A REVISION AND ATTEMPTED SOLUTION OF 

 THE PROBLEM OF 



GEOLOGICAL CLIMATES 



ALFRED EUSSEL WALLACE 



AUTHOR OF "the MALAY ARCHIPELAGO," "THE GEOGRAPHICAL DISTRIBUTION OF 

 ANIMALS," "DARWINISM," ETC. 



THIRD AND REVISED EDITION 



Hcinliott 



MACMILLAN AND CO., Limited 



NEW YORK : THE BrACMTLLAN COMPANY 



1902 



OR 



BY 



All rights reaerved 



