CONTENTS

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