CONTENTS. 



CHAPTER I. 



FiGB 

 PSELIMINABT OBSEEVATIONS, COMPKISING GENERAL EE- 

 MABKS UPON THE USES OF BEES IN THE ECONOMY OF 

 NATUEE, THEIE DIVISION INTO SOCIAL AND SOLITAEY, 

 AND A NOTICE OF THEIE FATOUEITB PLANTS . 1 



CHAPTEB, II. 



GENEEAL HISTOBT OF BEES 

 THE EGG .... 

 THE LABYA . . . 



THE PUPA .... 



THE IMAGO . . . . 



17 

 18 

 19 

 22 



23 



CHAPTEE III. 



SKETCH OF THE GEOGRAPHY OF THE GENEEA OF BEITISH 



BEES . 61 



CHAPTER rv. 



XOTICE OF THE MOEE CONSPICUOUS FOEEIGN GENEEA . . 101 



CHAPTER V. 



PAEASITES 'OF BEES AND THEIE ENEMIES 109 



