| Chapter I. The Harmas | 1392 |
| Biography of Jean-Henri Casimir Fabre | 5017 |
| Chapter II. Experiments | 1060 |
| Chapter IV. More Enquiries Into Mason Bees | 1312 |
| Chapter VII. Some Reflections Upon Insect Psychology | 1453 |
| Chapter XIV. Objections and Rejoinders | 859 |
| Chapter XII. Mathematical Memories: Newton's Binomial Theorem | 2665 |
| Chapter XIII. Mathematical Memories: My Little Table | 780 |
| Wild Life Gardening Tips | 2141 |
