CONTENTS
| CHAPTER | PAGE | |
|---|---|---|
| I. | A Short History of the Investigations | [1] |
| II. | The Physical Conditions of the Abyss | [17] |
| III. | The Relations of the Abysmal Zone and the Origin of its Fauna | [45] |
| IV. | The Characters of the Deep-sea Fauna | [59] |
| V. | The Protozoa, Cœlentera, and Echinoderma Of the Deep Sea | [86] |
| VI. | The Vermes and Mollusca of the Deep Sea | [109] |
| VII. | The Arthropoda of the Deep Sea | [123] |
| VIII. | The Fish of the Deep Sea | [148] |
| Index | [167] | |