| Chapter I. The Harmas | 67 |
| Biography of Jean-Henri Casimir Fabre | 211 |
| Chapter II. Experiments | 55 |
| Chapter IV. More Enquiries Into Mason Bees | 74 |
| Chapter VII. Some Reflections Upon Insect Psychology | 50 |
| Chapter XIV. Objections and Rejoinders | 46 |
| Chapter XII. Mathematical Memories: Newton's Binomial Theorem | 60 |
| Chapter XIII. Mathematical Memories: My Little Table | 59 |
| Wild Life Gardening Tips | 48 |
