CONTENTS. 



CHAPTER I. 



PAGE 



PBELIMINABY OBSERVATIONS, COMPBISING GENEEAL EE- 

 MAEKS UPON THE USES OF BEES IN THE ECONOMY OF 

 NATUBE, THEIB DIVISION INTO SOCIAL AND SOL1TABY, 

 AND A NOTICE OF THEIE FAVOUEITE PLANTS ... 1 



CHAPTER II. 



GENEEAL HISTOEY OF BEES 17 



THE EGG 18 



THE LAETA 19 



THE PUPA 22 



THE IMAGO 23 



CHAPTER III. 



SKETCH OF THE GEOGEAPHY OF THE GENEEA OF BEITISH 



BEES 61 



CHAPTER IV. 



NOTICE OF THE MOEE CONSPICUOUS FOBEIGN GENEEA . . 101 



CHAPTER Y. 



PARASITES 'OF BEES AND THEIE ENEMIES . . . 109 



