CONTENTS 



I. The Sacred Beetle . 



II. The Enclosure. 



III. Cerceris Bupresticida 



IV. Cerceris Tuberculata 

 V. One Skilful to Slay 



VI. The Yellow-winged Sphex 



VII. Three Strokes of a Dagger 



VIII. Larva and Nymph 



IX. Advanced Theories . 



X. The Sphex of Languedoc 



XI. The Science of Instinct . 



XII. The Ignorance of Instinct 



XIII. An Ascent of Mont Ventoux 



XIV. The Emigrants . 



PAGE 



I 



27 

 40 



51 



67 

 80 



93 



lOI 



116 

 132 

 146 

 164 

 179 

 193 



