Chapters in this book

1. Frontmatter i
2. Acknowledgments vii
3. Contents ix
4. 1 An introduction to the problem 1
5. 2 Previous hypotheses: their status to date 19
6. 3 Tests of the lock and key and genitalic recognition hypotheses 30
7. 4 Tests of the other hypotheses and a summary 54
8. 5 Sexual selection by female choice 65
9. 6 Male-male genitalic competition 84
10. 7 Female discretion after genitalic contact 107
11. 8 Remating by females 120
12. 9 Apparent contradictions of the female choice hypothesis 143
13. 10 Use of genitalia as stimulators 157
14. 11 Specialized nongenitalic male structures 167
15. 12 Conclusions and an overview 181
16. References 191
17. Index 233