| Part I—The Crimes | |
| I. | The Street |
| II. | The Herbalist |
| III. | The Inquest |
| IV. | The Poisoned Pipe-stem |
| V. | Inspector Whyland |
| VI. | A Middle-aged Poet |
| VII. | The Black Sailor |
| VIII. | At No. 407, Praed Street |
| IX. | A Strange Affair |
| X. | At Scotland Yard |
| XI. | The Sixth Counter |
| XII. | A Hypodermic Needle |
| Part II—The Criminal | |
| XIII. | Enter Dr. Priestly |
| XIV. | The Morlandson Trial |
| XV. | The Bone Counter |
| XVI. | Corfe Castle |
| XVII. | The Clay-pit |
| XVIII. | The Avenger |
| XIX. | A Discovery |
| XX. | Mr. Ludgrove’s Invitation |
| XXI. | An Explanation |
| XXII. | The Death Chamber |
| XXIII. | The Will |