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This three-volume life of Charles Darwin, published five years after his death, was edited by his son Francis, who was his father's collaborator in experiments in botany and who after his death took on the responsibility of overseeing the publication of his remaining manuscript works and letters. In the preface to the first volume, Francis Darwin explains his editorial principles: 'In choosing letters for publication I have been largely guided by the wish to illustrate my father's personal character. But his life was so essentially one of work, that a history of the man could not be written without following closely the career of the author.' Among the family history, anecdotes and reminiscences of scientific colleagues is a short autobiographical essay which Charles Darwin wrote for his children and grandchildren, rather than for publication. This account of Darwin the man has never been bettered.

In his introduction, Darwin reveals that for many years he had no intention of publishing his notes on this topic, 'as I thought that I should thus only add to the prejudices against my views'. By 1871, he felt that his fellow scientists would show a greater openness of mind to his arguments, even when taken to their logical conclusion and applied to the descent of man from the apes – the aspect of his theory which had been so widely mocked since the notorious question asked by Bishop Wilberforce at the Oxford debate of 1860: was it through his grandmother or his grandfather that Thomas Huxley, Darwin's champion, considered himself descended from a monkey? However, the book's focus on the area of sexual selection and the evolutionary importance of secondary sexual characteristics across the animal kingdom meant that the book was received without the public outrage that Darwin had feared.

The development of Charles Darwin's views on evolution by natural selection has fascinated biologists since the 1859 publication of his landmark text On The Origin of Species. His experiences, observations and reflections during and after his pivotal journey on the Beagle during 1831–36 were of critical importance. Darwin was not, however, a man to be rushed. While his autobiography claims that the framework of his theory was laid down by 1839, its first outline sketch did not emerge until 1842. That essay was heavily edited, with many insertions and erasures. It formed the vital kernel of his more expansive but also unpolished and unpublished essay of 1844. Following careful editing by his son Francis, both essays were published in 1909, and are reproduced here. Reading these side by side, and together with the Origin, permits us to scrutinise selection and evolution truly in action.

Charles Robert Darwin (1809–1882) has been widely recognized since his own time as one of the most influential writers in the history of Western thought. His books were widely read by specialists and

Even before Charles Darwin changed the world with his theory of natural selection, he was recognised as an eminent scientist and natural historian. Published in 1840, his Journal of Researches into the Geology and Natural History of the Various Countries Visited by H.M.S. Beagle reveals him as a writer of formidable intelligence and a keen observer of natural and human life. Darwin's journal encompasses every observable detail of the animals, birds and plants he encountered on the five-year voyage. It includes minute descriptions and even sketches of the movements and habits of hitherto unfamiliar species. Accompanying the entries are his own conclusions, analyses and classificatory notes that demonstrate his skill and talent as a naturalist. Darwin's entries on natural phenomena are interspersed with anecdotes of the indigenous peoples he encountered, transforming his journal from an impersonal scientific record to a book of true human interest.

In this investigation of orchids, first published in 1862, Darwin expands on a point made in On the Origin of Species that he felt required further explanation, namely that he believes it to be 'a universal law of nature that organic beings require an occasional cross with another individual'. Darwin explains the method by which orchids are fertilised by insects, and argues that the intricate structure of their flowers evolved to favour cross pollination because of its advantages to the species. The book is written in Darwin's usual precise and elegant style, accessible despite its intricate detail. It includes a brief explanation of botanical terms and is illustrated with 34 woodcuts.

In 1831, Charles Darwin embarked on an expedition that, in his own words, determined my whole career. The Voyage of the Beagle chronicles his five-year journey around the world and especially the coas

Charles Darwin (1809–1882) published Observations on the Volcanic Islands in 1844. It is one of three major geological works resulting from the voyage of the Beagle, and contains detailed geological descriptions of locations visited by Darwin including the Cape Verde archipelago, Mauritius, Ascension Island, St Helena, the Galápagos, and parts of Australia, New Zealand and South Africa. Chapter 6 discusses the types of lava found on different oceanic islands. There is an appendix of short contributions by two other scholars: descriptions of fossil shells from Cape Verde, St Helena and Tasmania by G. B. Sowerby and of fossil corals from Tasmania by W. Lonsdale. The book is illustrated with woodcuts, maps and sketches of specimens. It provides valuable insights into one of the most important scientific voyages ever made, and the development of Darwin's ideas on geology.

Charles Darwin (1809–82) was the English naturalist famous for the theory of evolution by natural selection. He began studying medicine at the University of Edinburgh, but developed a fascination for natural history and left Edinburgh to attend Christ's College, Cambridge, where he pursued his new interest while taking a Bachelor of Arts degree. After graduating, he had the opportunity to secure a position as ship's naturalist aboard H.M.S. Beagle for a five-year, round-the-world voyage which would make him famous. Published in 1845, this book is the second edition of Darwin's expedition journal, more popularly known as The Voyage of the Beagle. Throughout the journey he made observations and discoveries that would lead him to develop his revolutionary theory of evolution, which later appeared in On the Origin of Species and created a storm in the scientific and religious communities.

Darwin's 1842 monograph on coral reefs and atolls draws upon his observations during the voyage of the Beagle.

With an Introduction by Jeff Wallace. 'A grain in the balance will determine which individual shall live and which shall die...'. Darwin's theory of natural selection issued a profound challenge to or

In The Descent of Man Darwin addresses many of the issues raised by his notorious Origin of Species: finding in the traits and instincts of animals the origins of the mental abilities of humans, of la