CONTENTS 



I. The Sacred Beetle . 



U. 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 . 



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lOI 



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193 



