| Chapter I. The Pompili | 4447 |
| Chapter II. The Scoliae | 822 |
| Chapter III. A Dangerous Diet | 1639 |
| Chapter IV. The Cetonia Larva | 1820 |
| Chapter V. The Problem of The Scoliae | 788 |
| Chapter IV. The Tachytes | 6853 |
| Chapter VII. Change of Diet | 1912 |
| Chapter VIII. A Dig at The Evolutionists | 2215 |
| Chapter IX. Rationing According to Sex | 1633 |
| Chapter X. The Bee Eating Philanthus | 686 |
| Chapter XI. The Method of The Ammophilae | 707 |
| Chapter XII. The Method of The Scoliae | 935 |
| Chapter III. The Method of The Calicurgi | 1214 |
| Chapter XIV. Objections and Rejoinders | 859 |