The Descent of Man

This is Darwin's final major book with a focus on man. The primary focus is on man's origin in Part I, and sexual selection in Parts II & III. I found the discussion of moral sense and social instincts to be particularly enlightening with his focus on "sympathy" and "habit" as discussed by the Scottish philosophers (cf. Adam Smith, The Theory of Moral Sentiments). Notably he rejects God as the source of conscience. The bulk of the text, however, contains detail examples and discussion of the process of sexual selection. ( )

This is a difficult book to read in some ways. The main one being that it is so dense, the amount of information, observations, and evidence presented to the reader is staggering, all of it with the purpose of supporting the central theories of the book. These being that sexual selection plays a part in evolution as well as natural selection, with the former being a specific mechanism of the latter. The book is about man, and his evolution, but the majority of the examples are from other species, which support homologous principles in human evolution. There are quite a few pictures, which aren't bad. Some readers may be put off by the authors regard of different races of people, which will be considered "non p.c" by many, though it is really just scientific observation, despite it getting some geneticists into trouble to this day. The main problem is that this book is very long, and the evidence in support of the theory is greatly in excess to what would have been sufficient. At the time the theories were not things which were going to be readily accepted, and this is probably why the book goes into so much detail. I would struggle to recommend this book to anyone, as it seems so long and unnecessary, and does not make fascinating reading, as you can tell where a chapter is going when you start reading it, and then it seems like a painful slog to finish it. I have no doubt that this book made good reading when first published, but today it just seems like flogging a dead horse to read it as we don't need convincing of the theories. Maybe an evolutionary sceptic would enjoy it much more than I. ( )

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