Indice: List of illustrations. Preface. 1. I a geologist 2. Geology 3. Specimens 4. The Romantic thread 5. A prospective author 6. Negotiating genesis and geology 7. Toward simplicity 8. Simplicity challenged 9. Geology and species 10. Geology and the Origin of species. Conclusion. List of abbreviations. symbols used in the transcriptions of Darwin's notebooks. Notes. Bibliography. Index
