| CHAPTER I |
| | PAGE |
| The Problem | [1] |
| CHAPTER II |
| Historical | [8] |
| CHAPTER III |
| Mendel's Work | [17] |
| CHAPTER IV |
| The Presence and Absence Theory | [29] |
| CHAPTER V |
| Interaction of Factors | [42] |
| CHAPTER VI |
| Reversion | [59] |
| CHAPTER VII |
| Dominance | [68] |
| CHAPTER VIII |
| Wild Forms and Domestic Varieties | [79] |
| CHAPTER IX |
| Repulsion and Coupling of Factors | [88] |
| CHAPTER X |
| Sex | [99] |
| CHAPTER XI |
| Sex (continued) | [115] |
| CHAPTER XII |
| Intermediates | [125] |
| CHAPTER XIII |
| Variation and Evolution | [135] |
| CHAPTER XIV |
| Economical | [153] |
| CHAPTER XV |
| Man | [170] |
| |
| APPENDIX | [187] |
| |
| INDEX | [191] |