LIST OF ILLUSTRATIONS 



PLATE. 

 The Fijian species of Rhizophoia Frontispiece. 



FIGURES. 



TO FACE PAGE 



Diagrams illustrating some of the causes of seed-buoyancy .... iii 



Figures illustrating the development of the seed and the germinating 



process of Rhizophora and Bruguiera 452 — 453 



Diagrams illustrating the structure of the growing seeds of 



Barringtonia 574 



Diagram illustrating the prevailing cloud-formations of Mauna Loa 585 



MAPS. 



Oceania ^2 



The Ocean Currents 61 



Trade routes of the Pacific Ocean (intended to illustrate the 



distances traversed by floating seeds in that ocean) 66 



The West Coast of South America 474 



Rough plan of the Gulf of Guayaquil 484 



