CONTENTS. 



CHAPTER I. 



PEELIMINAEY OBSERVATIONS, COMPRISING GENEEAL EE- 

 MAEKS UPON THE USES OF BEES IN THE ECONOMY OF 

 NATUEE, THEIE DIVISION INTO SOCIAL AND SOLITAEY, 

 AND A NOTICE OF THEIE FAVOUEITE PLANTS ... 1 



CHAPTER II. 



GENEEAL HISTOEY OF BEES 17 



THE EGG 18 



THE LARVA 19 



THE PUPA 22 



THE IMAGO 23 



CHAPTER III. 



SKETCH OF THE GEOGEA.PHY OF THE GENEEA OF BEITISH 



BEES 



61 



CHAPTER IY. 



NOTICE OF THE MOEE CONSPICUOUS FOREIGN GENEEA . . 101 



CHAPTER V. 



PARASITES 'OF EEES AND THEIE ENEMIES 109 



