| Chapter I. The Harmas | 1052 |
| Biography of Jean-Henri Casimir Fabre | 3794 |
| Chapter II. Experiments | 885 |
| Chapter IV. More Enquiries Into Mason Bees | 1036 |
| Chapter VII. Some Reflections Upon Insect Psychology | 1003 |
| Chapter XIV. Objections and Rejoinders | 713 |
| Chapter XII. Mathematical Memories: Newton's Binomial Theorem | 1969 |
| Chapter XIII. Mathematical Memories: My Little Table | 665 |
| Wild Life Gardening Tips | 1408 |
