- Wild Bees, Wasps and Ants and Other Stinging Insects
- Chapters
- Preface
- The Subject in General
- The Solitary Groups
- The Solitary Bees
- The Cuckoo Bees
- The Fossors or Diggers
- The Solitary Wasps
- The Social Groups
- The Ants
- The Social Wasps
- The Humble Bees
- The Bees With Bifid Tongues
- The Bees with Pointed Tongues
- Leaf-Cutting Bees
- Osmia and Its Habits
- A Colony of Anthophora
- Bees and Pollen-Collecting
- On Bees' Tongues and how They suck Honey
- A Dreadful Parasite
- Amongst the Bees at Work
- Ants their Guests and their Lodgers
- How can an "Aculeate" be Recognized?
- Males and Females
- The Vagaries of Colour and Structure in the Sexes
- The Distribution Rarity or Abundance of Various Species
- On Bees' Wings
- On Breeding Aculeates etc.
- On Colour
- The Development of Insects from the Egg
- On Structure