| PLATE. | |
| The Fijian species of Rhizophora | Frontispiece. |
| FIGURES. | |
| TO FACE PAGE | |
| Diagrams illustrating some of the causes of seed-buoyancy | 111 |
| 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 | 12 |
| 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 |