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Easily the most influential book published in the nineteenth century, Darwin's The Origin of Species is also that most unusual phenomenon, an altogether readable discussion of a scientific subject. O

Darwin and Women focusses on Darwin's correspondence with women and on the lives of the women he knew and wrote to. It includes a large number of hitherto unpublished letters between members of Darwin's family and their friends that throw light on the lives of the women of his circle and their relationships, social and professional, with Darwin. The letters included are by turns entertaining, intriguing, and challenging, and are organised into thematic chapters, including botany and zoology as well as marriage and servants, that set them in an accessible narrative context. Darwin's famous remarks on women's intelligence in Descent of Man provide a recurring motif, and are discussed in the foreword by Gillian Beer, and in the introduction. The immediacy and variety of these texts make this an entertaining read which will suggest avenues for further research to students.

Initially published by the Linnean Society, this 1865 essay was Darwin's first foray into the study of climbing plants. He was inspired to produce this work by a paper on the tendrilled Cucurbitacean plant by American botanist Asa Gray, with whom he had a firm intellectual friendship. Darwin examines in detail those plants which climb using a twisting stem, such as the hop; leaf-climbers, such as the clematis; tendrilled plants such as the passion flower; and hook and root climbers such as ivy. The conclusions reached by his study are presented in terms of the adaptations of various species to their environments, a continuation of the theories that Darwin had propounded in his On the Origin of the Species six years earlier. His passion for the design of the plants and fascination with the diversity of their powers of movement are clear in this accessible example of the process of evolution.

These two short monographs, published under the auspices of the Palaeontographical Society in 1851 and 1854, show Charles Darwin as a meticulous research scientist, poring over fossils collected by himself and other enthusiasts in Britain and in Europe. The first volume is devoted to the Lepadidae, and the second to the Balanidae and Verrucidae (all types of barnacle, members of the infraclass Cirripedia). Darwin's interest in barnacles had first arisen in his student days in Edinburgh, under the guidance of Robert Grant, and increased during his detailed work in dissecting and classifying the specimens he had collected on the Beagle voyage. The publication of his findings cemented his reputation as a expert taxonomist and biologist, and his observations over eight years of the minute differences between males, females and an apparent hermaphroditic stage of development lent support to his developing theory of evolution.