CONTENTS
| CHAPTER | |
| I. | [SUMMER LIGHTNING] |
| II. | [A CRY FOR HELP] |
| III. | [PERRICHET'S STORY] |
| IV. | [AT THE VILLA] |
| V. | [IN THE SALON] |
| VI. | [HELENE VAUQUIER'S EVIDENCE] |
| VII. | [A STARTLING DISCOVERY] |
| VIII. | [THE CAPTAIN OF THE SHIP] |
| IX. | [MME. DAUVRAY'S MOTOR-CAR] |
| X. | [NEWS FROM GENEVA] |
| XI. | [THE UNOPENED LETTER] |
| XII. | [THE ALUMINIUM FLASK] |
| XIII. | [IN THE HOUSE AT GENEVA] |
| XIV. | [MR. RICARDO IS BEWILDERED] |
| XV. | [CELIA'S STORY] |
| XVI. | [THE FIRST MOVE] |
| XVII. | [THE AFTERNOON OF TUESDAY] |
| XVIII. | [THE SEANCE] |
| XIX. | [HELENE EXPLAINS] |
| XX. | [THE GENEVA ROAD] |
| XXI. | [HANAUD EXPLAINS] |