CONTENTS
| PAGE | ||||||||
| I. | [The Sacred Beetle] | 1 | ||||||
| II. | [The Enclosure] | 27 | ||||||
| III. | [Cerceris Bupresticida] | 40 | ||||||
| IV. | [Cerceris Tuberculata] | 51 | ||||||
| V. | [One Skilful to Slay] | 67 | ||||||
| VI. | [The Yellow-winged Sphex] | 80 | ||||||
| VII. | [Three Strokes of a Dagger] | 93 | ||||||
| VIII. | [Larva and Nymph] | 101 | ||||||
| IX. | [Advanced Theories] | 116 | ||||||
| X. | [The Sphex of Languedoc] | 132 | ||||||
| XI. | [The Science of Instinct] | 146 | ||||||
| XII. | [The Ignorance of Instinct] | 164 | ||||||
| XIII. | [An Ascent of Mont Ventoux] | 179 | ||||||
| XIV. | [The Emigrants][[x]] | 193 | ||||||
| XV. | [The Ammophila] | 205 | ||||||
| XVI. | [The Bembex] | 219 | ||||||
| XVII. | [Hunting Diptera] | 233 | ||||||
| XVIII. | [A Parasite—The Cocoon] | 243 | ||||||
| XIX. | [The Return to the Nest] | 258 | ||||||
| XX. | [Mason Bees] | 271 | ||||||
| XXI. | [Experiments] | 289 | ||||||
| XXII. | [An Exchange of Nests] | 306 | ||||||
| [Descriptive Notes] | 317 | |||||||
[[xi]]