| Chapter XI. The Poison of The Bee | 1947 |
| Chapter II. The Scoliae | 822 |
| Chapter III. A Dangerous Diet | 1639 |
| Chapter VI. The PIne Processionary: The stinging Power | 1498 |
| Chapter VII. The Arbutus Caterpillar | 1409 |
| Chapter VIII. An Insect Virus | 1029 |
| Chapter XVIII. Insects and Mushrooms | 2365 |
