| Table of Contents | |
| Section | Page |
| Start of eBook | 1 |
| THE EVOLUTION OF MODESTY. | 1 |
| I. | 1 |
| FOOTNOTES: | 34 |
| II. | 35 |
| FOOTNOTES: | 61 |
| III. | 66 |
| FOOTNOTES: | 71 |
| IV. | 72 |
| FOOTNOTES: | 75 |
| THE PHENOMENA OF SEXUAL PERIODICITY. | 76 |
| I. | 76 |
| FOOTNOTES: | 89 |
| II. | 93 |
| FOOTNOTES: | 106 |
| III. | 107 |
| FOOTNOTES: | 135 |
| 140 | |
| I. | 140 |
| FOOTNOTES: | 172 |
| II. | 181 |
| FOOTNOTES: | 198 |
| III. | 202 |
| FOOTNOTES: | 240 |
| APPENDIX A. | 245 |
| FOOTNOTES: | 253 |
| APPENDIX B. | 255 |
| THE ANNUAL RHYTHM. | 257 |
| THE LUNAR-MONTHLY RHYTHM. | 259 |
| THE WEEKLY RHYTHM. | 261 |
| FOOTNOTES: | 263 |
| APPENDIX C. | 265 |
| FOOTNOTES: | 275 |
| INDEX OF AUTHORS. | 277 |
| INDEX OF SUBJECTS. | 280 |
| DIAGRAMS | 284 |

