The tenth volume in a 29-volume set which contain all Charles Darwin's published works. Darwin was one of the most influential figures of the 19th century. His work remains a central subject of study in the history of ideas, the history of science, zoology, botany, geology and evolution.

Paul H. Barrett, Honorary Fellow of Christ's College. R.B. Freeman, Francis Darwin

Part 1 The Essay of 1842; Part I; The Essay of 1844; Part I; Chapter I On the Variation of Organic Beings under Domestication; and on the Principles Of Selection; Chapter II On the Variation of Organic Beings in a Wild State; on the Natural Means of Selection; and on the Comparison of Domestic Races and True Species; Chapter III On the Variation of Instincts and Other Mental Attributes Under Domestication and in State of Nature; On the Difficulties in this Subject; and on Analogous Difficulties with Respect to Corporeal Structures; On the Number of Intermediate Forms Required on the Theory of Common Descent; And on their Absence in a Fossil State; Chapter V. of Origin, Ed. i, vi, ch. XI, 'On the geological succession of organic beings'.; Chapter VI On the Geographical Distribution of Organic Beings in Past and Present Times; Chapter VII On the Nature of the Affinities and Classification of Organic Beings 1 Ch. XIII of the Origin, Ed. i, Ch. XIV Ed. vi, begins with a similar statement. In the present Essay the author adds a note: The obviousness of the fact (i.e. the natural grouping of organisms) alone prevents it being remarkable. It is scarcely explicable by creationist: groups of aquatic, of vegetable feeders and carnivorous, etc., might resemble each other; but why as it is. So with plants - analogical resemblance thus accounted for. Must not here enter into details.' This argument is incorporated with the text in the Origin, Ed. i.; Chapter VIII Unity of Type in the Great Classes; and Morphological Structures; Chapter IX Abortive or Rudimentary Organs; Chapter X Recapitulation and Conclusion;