| PAGE | |
| PRELIMINARY OBSERVATIONS, COMPRISING GENERAL REMARKS UPON THE USES OF BEES IN THE ECONOMY OF NATURE, THEIR DIVISION INTO SOCIAL AND SOLITARY, AND A NOTICE OF THEIR FAVOURITE PLANTS | 1 |
| GENERAL HISTORY OF BEES | 17 |
| THE EGG | 18 |
| THE LARVA | 19 |
| THE PUPA | 22 |
| THE IMAGO | 23 |
| SKETCH OF THE GEOGRAPHY OF THE GENERA OF BRITISH BEES | 61 |
| NOTICE OF THE MORE CONSPICUOUS FOREIGN GENERA | 101 |
| PARASITES OF BEES AND THEIR ENEMIES | 109 |
| GENERAL PRINCIPLES OF SCIENTIFIC ARRANGEMENT | 118 |
| BRIEF NOTICE OF THE SCIENTIFIC CULTIVATION OF BRITISH BEES | 142 |
| A NEW ARRANGEMENT OF BRITISH BEES, WITH ITS RATIONALE, AND AN INTRODUCTION TO THE FAMILY, SUBFAMILIES, SECTIONS, AND SUBSECTIONS | 153 |
| A TABLE, EXHIBITING A METHOD OF DETERMINING THE GENERA OF BRITISH BEES WITH FACILITY | 170 |
| EASY DISTRIBUTION OF THE BEES | 176 |
| THE SCIENTIFIC ARRANGEMENT AND DESCRIPTION OF THE GENERA, WITH LISTS OF OUR NATIVE SPECIES, AND AN ACCOUNT OF THE HABITS AND ECONOMY OF THE INSECTS, WITH INCIDENTAL OBSERVATIONS SUGGESTED BY THE SUBJECT | 184 |
| ANDRENIDÆ (SUBNORMAL BEES) | 185 |
| GEN. 1. COLLETES | 185 |
| GEN. 2. PROSOPIS | 191 |
| GEN. 3. SPHECODES | 196 |
| GEN. 4. ANDRENA | 200 |
| GEN. 5. CILISSA | 211 |
| GEN. 6. HALICTUS | 214 |
| GEN. 7. MACROPIS | 220 |
| GEN. 8. DASYPODA | 224 |
| APIDÆ (NORMAL BEES) | 227 |
| SCOPULIPEDES (BRUSH-LEGGED BEES) | 227 |
| GEN. 9. PANURGUS | 227 |
| GEN. 10. EUCERA | 231 |
| GEN. 11. ANTHOPHORA | 236 |
| GEN. 12. SAROPODA | 242 |
| GEN. 13. CERATINA | 245 |
| NUDIPEDES (CUCKOO-BEES) | 249 |
| GEN. 14. NOMADA | 249 |
| GEN. 15. MELECTA | 255 |
| GEN. 16. EPEOLUS | 258 |
| GEN 17. STELIS | 262 |
| GEN. 18. CŒLIOXYS | 265 |
| DASYGASTERS (ARTISAN BEES) | 269 |
| GEN. 19. MEGACHILE | 269 |
| GEN. 20. ANTHIDIUM | 279 |
| GEN. 21. CHELOSTOMA | 283 |
| GEN. 22. HERIADES | 288 |
| GEN. 23. ANTHOCOPA | 290 |
| GEN. 24. OSMIA | 294 |
| CENOBITES (SOCIAL BEES) | 302 |
| GEN. 25. APATHUS | 302 |
| GEN. 26. BOMBUS | 307 |
| GEN. 27. APIS | 318 |
| INDEX | 363 |