CONTENTS
| I | |
| PAGE | |
| The Chain of Life Traced Backward in Geological Time | [3] |
| II | |
| Life in the Early Cambrian | [17] |
| III | |
| Pre-Cambrian Life | [47] |
| IV | |
| Foundations of the Continents, and their General Testimony as to Life | [79] |
| V | |
| Probabilities as to Laurentian Life, and Conditions of its Preservation | [107] |
| VI | |
| The History of a Discovery | [125] |
| VII | |
| The Dawn of Life | [147] |
| VIII | |
| Contemporaries of Eozoon | [193] |
| IX | |
| Difficulties and Objections | [221] |
| X | |
| The Origin of Life | [245] |
| XI | |
| Some General Conclusions | [281] |