CONTENTS. 
CHAPTER I. 
PAGE 
PRELIMINARY OBSERVATIONS, COMPRISING GENERAL RE¬ 
MARKS UPON THE USES OF BEES IN THE ECONOMY OF 
NATURE, THEIR DIVISION INTO SOCIAL AND SOLITARY, 
AND A NOTICE OF THEIR FAVOURITE PLANTS ... 1 
CHAPTER II. 
GENERAL HISTORY OF BEES .... 
THE EGG . 
THE LARVA . 
THE PUPA . 
THE IMAGO . 
17 
IS 
19 
22 
23 
CHAPTER III. 
SKETCH OF THE GEOGRAPHY OF THE GENERA OF BRITISH 
BEES. 61 
CHAPTER IY. 
NOTICE OF THE MORE CONSPICUOUS FOREIGN GENERA . . 101 
CHAPTER Y. 
PARASITES 'OF BEES AND THEIR ENEMIES 
. 109 
