| Chapter I. The Harmas | 3105 |
| Biography of Jean-Henri Casimir Fabre | 12629 |
| Chapter II. Experiments | 2077 |
| Chapter IV. More Enquiries Into Mason Bees | 2647 |
| Chapter VII. Some Reflections Upon Insect Psychology | 3728 |
| Chapter XIV. Objections and Rejoinders | 1689 |
| Chapter XII. Mathematical Memories: Newton's Binomial Theorem | 4935 |
| Chapter XIII. Mathematical Memories: My Little Table | 1506 |
| Wild Life Gardening Tips | 4470 |
