| Chapter VI. Instinct And Discernment | 50 |
| Chapter VII. Economy of Energy | 56 |
| Chapter IX. The Cotton-Bees | 51 |
| Chapter X. The Resin-Bees | 50 |
| Chapter XI. The Poison of The Bee | 137 |
| Chapter XIII. The Halicti: the Portress | 48 |
| Chapter II. Experiments | 55 |
| Chapter V. The Story of My Cats | 46 |
| Chapter VI. The Red Ants | 56 |
| Chapter VII. Some Reflections Upon Insect Psychology | 50 |
| Chapter II. The Pine Processsionary: The Nest; The Community | 46 |
| Chapter III. The Pine Processionary: The Procession | 59 |
| Chapter IV. The Pine Processionary: Meteoroogy | 48 |
| Chapter VI. The Narbonne Lycosa: the Climbing-Instinct | 50 |
| Chapter VII. The Spiders' Exodus | 53 |
| Chapter I. The Harmas | 50 |
| Chapter II. The Green Grasshopper | 49 |
| Chapter III. The Empusa | 50 |
| Chapter IV. The Capricorne | 52 |
| Chapter V. The Burying Beetle: The Burying | 88 |
| Chapter VI. The Burying Beetles: Experiments | 58 |
| Chapter VII. The Bluebottle | 173 |
| Chapter VIII. The Pine Processionary | 53 |
| Chapter IX. The Spiders. The Narbonne Lycosa, or Black-Bellied Tarantula. The Burrow. | 62 |
| Chapter X. The banded Epeira. Building the Web. | 63 |
| Chapter XI. The Eumenes | 61 |
| Chapter XII. The Osmiae. Their Habits | 59 |
| Chapter XIII. The Glow-Worm | 66 |
| Chapter XIV. The Cabbage Caterpillar | 68 |
| Making a Bug Home | 56 |