| Chapter I. The Pompili | 986 |
| Chapter II. The Scoliae | 661 |
| Chapter III. A Dangerous Diet | 1258 |
| Chapter IV. The Cetonia Larva | 1202 |
| Chapter V. The Problem of The Scoliae | 680 |
| Chapter IV. The Tachytes | 4510 |
| Chapter VII. Change of Diet | 663 |
| Chapter VIII. A Dig at The Evolutionists | 1224 |
| Chapter IX. Rationing According to Sex | 1040 |
| Chapter X. The Bee Eating Philanthus | 551 |
| Chapter XI. The Method of The Ammophilae | 586 |
| Chapter XII. The Method of The Scoliae | 624 |
| Chapter III. The Method of The Calicurgi | 963 |
| Chapter XIV. Objections and Rejoinders | 713 |