[ TRANSLATOR'S NOTE. ]
[ CHAPTER 1. THE MASON-BEES. ]
[ CHAPTER 2. EXPERIMENTS. ]
[ CHAPTER 3. EXCHANGING THE NESTS. ]
[ CHAPTER 4. MORE ENQUIRIES INTO MASON-BEES.
]
[ CHAPTER 5. THE STORY OF MY CATS. ]
[ CHAPTER 6. THE RED ANTS. ]
[ CHAPTER 7. SOME REFLECTIONS UPON INSECT
PSYCHOLOGY. ]
[ CHAPTER 8. PARASITES. ]
[ CHAPTER 9. THE THEORY OF PARASITISM. ]
[ CHAPTER 10. THE TRIBULATIONS OF THE
MASON-BEE. ]
[ CHAPTER 11. THE LEUCOPSES. ]
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