| Chapter XI. The Poison of The Bee | 137 |
| Chapter II. The Scoliae | 59 |
| Chapter III. A Dangerous Diet | 51 |
| Chapter VI. The PIne Processionary: The stinging Power | 52 |
| Chapter VII. The Arbutus Caterpillar | 61 |
| Chapter VIII. An Insect Virus | 59 |
| Chapter XVIII. Insects and Mushrooms | 49 |
