- 1Preface
- 2Epigraph — The Problems of Heredity and Their Solution3
- 3Experiments in Plant-Hybridisation
- 4Selection of the Experimental Plants
- 5Division and Arrangement of the Experiments
- 6The Forms of the Hybrids
- 7The First Generation [Bred] From the Hybrids
- 8The Second Generation [Bred] From the Hybrids
- 9The Subsequent Generations [Bred] From the Hybrids
- 10The Offspring of Hybrids in Which Several Differentiating Character…
- 11The Reproductive Cells of Hybrids
- 12Experiments With Hybrids of Other Species of Plants
- 13Concluding Remarks
- 14On Hieracium-Hybrids Obtained by Artificial Fertilisation
- 15A Defence of Mendel’s Principles of Heredity
- 16Introductory
- 17I — The Mendelian Principle of Purity of Germ-Cells and the Laws of…
- 18II — Mendel and the Critic’s Version of Him
- 19III — The Facts in Regard to Dominance of Characters in Peas
- 20IV — Professor Weldon’s Collection of “Other Evidence Concerning Do…
- 21V — Professor Weldon’s Quotations From Laxton
- 22VI — The Argument Built on Exceptions
- 23VII — The Question of Absolute Purity of Germ-Cells
- 24Conclusion
- 25Bibliography
Mendel’s Principles of Heredity: A Defence
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