Introduction to Programming Concepts With Case Studies in Python

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

′How fleeting are the wishes and efforts of man! how short his time! and consequently how poor will his products be, compared with those accumulated by nature during whole geological periods.′Still co

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 It includes a large number of hitherto unpublished letters between members of Darwin's family and their friends that throw light on the lives of the women of his circle and their relationships, social and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.

After the publication of On the Origin of Species in 1859 Darwin became fascinated with the potential for botanical experiments to provide evidence for the process of evolution. First published in 1877, this volume is based on a series of papers concerning heterostylous plants (species which produce different types of flowers) originally published in the Journal of the Proceedings of the Linnaen Society in 1862. Linnaeus had divided the sexual relations of flowers into four groups, which Darwin uses as the structure for this volume. Darwin examines in detail plants which produce different flower forms, presenting his conclusions in terms of adaptive evolution and so providing the first functional interpretation of heterostyly. He demonstrates that these plants are adapted for cross-fertilisation, not self-fertilisation as was widely believed. The concepts which Darwin introduces in this volume continue to provide the basis for research into plant reproductive biology.

Written in collaboration with his son Francis, a notable botanist, this 1880 book builds on Darwin's earlier investigations into climbing plants, orchids, insectivorous plants, flower variety, and the processes of fertilisation. This detailed study of many species from seed to mature plant further develops Darwin's work on adaptation and evolution, with the aim of collating the results of individual studies into common factors applicable to plants in general. Particular emphasis is given to analysis and investigation of the process here termed circumnutation, the movement of the stem of the plant in order to direct the head in certain directions. This is seen as of paramount importance, with the conclusion that it is modification of this feature that has enabled plants to adapt and evolve so diversely. The authors also note similarities between plants and animals, such as sensitivity to touch and habit of action at certain times.

Darwin had long been fascinated by insectivorous plants, from the native British sundews and bladderworts to the exotic pinguiculas and nepenthes which he encountered during the Beagle voyage. Growing in environments low in soil nutrients, their highly specialised ways of obtaining enough food, including the capability for fast movement in the case of the Venus flytrap, were evidence of evolutionary adaptation. But he was also interested in what food they needed, and whether they would be selective when offered a varied diet; and how did the flytrap close its trap on its prey? Darwin conducted a range of simple but ingenious experiments on his collection of insectivores and observed and noted the results of each with his customary meticulousness. The results can be seen in this book, which remains of enormous interest to anyone whose imagination has been fired by these strange and beautiful plants.

During 1867 Darwin intensified lines of research that were to result in two important publications, Descent of Man and Selection in Relation to Sex and Expression of the Emotions in Man and Animals. Darwin circulated a questionnaire on human expression, asking his established contacts to pass it on to their acquaintances, with the result that he began to receive letters from an even more diverse and far-flung network of correspondents than had previously been the case. Convinced that human descent was strongly influenced by sexual selection, he also started to ask his correspondents about sexual differences in animals and birds. At the same time, he was working on the proof-sheets of another major work, Variation of Animals and Plants under Domestication, while negotiating almost weekly with French, German, and Russian translators. For information on the Charles Darwin Correspondence Project, see http://www.lib.cam.ac.uk/Departments/Darwin.

Reprint of the Collier edition of 1909 with a new introduction by H. James Birx. Books in Print reveals no other edition available. Annotation c. Book News, Inc., Portland, OR (booknews.com)

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.

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.

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.

This book, published in 1881, was the result of many years of experimentation and observation by Darwin in the open-air laboratory of his garden at Down House in Kent. As he wrote in his introduction, the subject of soil disturbance by worms 'may appear an insignificant one, but we shall see that it possesses some interest'. He goes on to demonstrate the immensity – in size and over time – of the accumulated tiny movements of soil by earthworms, and their vital role in aerating the soil and breaking down vegetable material to keep the topsoil, the growing medium for all plant life and thus vital to human existence, fertile and healthy. At a time when there is huge interest in growing food organically and without using artificial fertilisers, Darwin's insights are as important, and his descriptions of his experiments as fascinating, as they were in the late nineteenth century.

Charles Darwin depended on correspondence to collect data from all over the world, and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. In January of 1868, Darwin's Variation Under Domestication was published. The first printing of 1500 copies rapidly sold out and the publisher, John Murray, ordered a second printing. Responses to this new book, added to Darwin's continuing research into sexual selection and the expression of the emotions, increased the quantity of Darwin's correspondence to such an extent that the letters from 1868 fill two volumes. The letters he wrote and received during this year are presented here in chronological order across two volumes, with notes and appendices to put them into context, explain references, and provide information on related works. For information on the Charles Darwin Correspondence Project, see http://www.darwinproject.ac.uk.

As the sheer volume of his correspondence indicates, 1862 was a very productive year for Darwin. This was not only the case in his published output (two botanical papers and a book on the pollination mechanisms of orchids), but more particularly in the extent and breadth of the botanical experiments he carried out. The promotion of his theory of natural selection also continued: Darwin's own work on it expanded, Thomas Henry Huxley gave lectures about it, and Henry Walter Bates invoked it to explain mimicry in butterflies. As well as monitoring the progress of his scientific work, the correspondence also records the continuing effects of Darwin's ill-health. Serious illness in two of his children also disrupts his work.

With an Introduction by David Amigoni. Charles Darwin's travels around the world as an independent naturalist on HMS Beagle between 1831 and 1836 impressed upon him a sense of the natural world's beau

The sixth and final edition of Charles Darwin’s groundbreaking work that introduced the theory of evolution by means of natural selection.First published in 1859, Charles Darwin’s On the Origin of Species introduced the scientific theory of evolution by means of natural selection, a revolutionary idea at the time. Fiercely debated on its release, Darwin’s famous work was revised several times over the following decade, partly to refute the scientific and religious objections of the author’s contemporaries. In this sixth edition of On the Origin of Species, Darwin lays out his theory by citing his studies done in the Galápagos aboard the HMS Beagle in the 1830s, as well as his follow-up research over the ensuing two decades.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world, and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically. In 1880, Darwin published On The Power of Movement in Plants, and began writing his final book, The Formation of Vegetable Mould through the Action of Worms. He was engaged in controversy with Samuel Butler, following publication of his last book, Erasmus Darwin. At the end of the year, he succeeded in raising support for a Civil List pension for Alfred Russel Wallace, co-discoverer of the theory of natural selection.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world, and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically: volume 27 includes letters from 1879, the year in which Darwin completed his manuscript on movement in plants. He also researched and published a biography of his grandfather Erasmus. The Darwins spent most of August on holiday in the Lake District. In October, Darwin's youngest son, Horace, became officially engaged to Ida Farrer, after some initial resistance from her father, who, although an admirer of Charles Darwin, thought Horace a poor prospect for his daughter.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world, and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically: volume 26 includes letters from 1878, the year in which Darwin with his son Francis carried out experiments on plant movement and bloom on plants. Francis spent the summer at a botanical research institute in Germany; and father and son exchanged many detailed letters about his work. Meanwhile, Darwin tried to secure government support for attempts by one of his Irish correspondents to breed a blight-resistant potato.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world, and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically: volume 25 includes letters from 1877, the year in which Darwin published Forms of Flowers and with his son Francis carried out experiments on plant movement and bloom on plants. Darwin was awarded an honorary LL.D. by Cambridge University, and appeared in person to receive it. The volume contains a number of appendixes, including two on the albums of photograph sent to Darwin by his Dutch, German, and Austrian admirers.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world, and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically: volume 24 includes letters from 1876, the year in which Darwin published Cross and Self Fertilisation in the Vegetable Kingdom, and started writing Forms of Flowers. In 1876, Darwin's daughter-in-law, Amy, died shortly after giving birth to a son, Bernard Darwin, an event that devastated the family. The volume includes a supplement of 182 letters from earlier years, including a newly discovered collection of letters from William Darwin, Darwin's eldest son.

Charles Darwin's On the Origin of Species By Means of Natural Selection is both a key scientific work of research, still read by scientists, and a readable narrative that has had a cultural impact unmatched by any other scientific text. First published in 1859, it has continued to sell, to be reviewed and discussed, attacked and defended. The Origin is one of those books whose controversial reputation ensures that many who have never read it nevertheless have an opinion about it. Jim Endersby's major scholarly edition debunks some of the myths that surround Darwin's book, while providing a detailed examination of the contexts within which it was originally written, published and read. Endersby provides a very readable introduction to this classic text and a level of scholarly apparatus (explanatory notes, bibliography and appendixes) that is unmatched by any other edition.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world, and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically: Volume 23 includes letters from 1875, the year in which Darwin wrote and published Insectivorous plants, a botanical work that was a great success with the reading public, and started writing Cross and self fertilisation in the vegetable kingdom. The volume contains an appendix on the 1875 anti-vivisection debates, with which Darwin was closely involved, giving evidence before a Royal Commission on the subject.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically: volume 22 includes letters from 1874, the year in which Darwin completed his research on insectivorous plants and published second editions of Descent of Man and Coral Reefs. The year also saw an acrimonious dispute between Darwin and St George Jackson Mivart as a result of an anonymous review the latter had written in which he criticised Darwin's son George.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world, and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically: Volume 21 includes letters from 1873, the year in which Darwin received responses to his work on human and animal expression. Also in this year, Darwin continued his work on carnivorous plants and plant movement, finding unexpected similarities between the plant and animal kingdoms, raised a subscription for his friend Thomas Henry Huxley, and decided to employ a scientific secretary for the first time - his son Francis.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically: volume 20 includes letters from 1872, the year in which The Expression of the Emotions in Man and Animals was published, making ground-breaking use of photography. Also in this year, the sixth and final edition of On the Origin of Species was published and Darwin resumed his work on carnivorous plants and plant movement, finding unexpected similarities between the plant and animal kingdoms.

This pivotal volume in the definitive edition of Charles Darwin's letters covers the year 1871, the year in which Descent of Man, Darwin's first public statement on human evolution, was published. The large number of letters in this year - more than 800 - reflects the excitement this caused. Darwin depended on correspondence to collect data from a growing network of contacts all over the world and to discuss his emerging ideas with colleagues, many of whom he never met in person. This year also saw the marriage of Darwin's daughter Henrietta, the first of his children to marry; the volume includes her personal journal of the year, published here for the first time, which complements letters that hint at her important role in her father's work as both commentator and editor. Notes and appendixes put these fascinating and wide-ranging letters in context, making them accessible to both scholars and general readers.

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.

Charles Darwin (1809–1882) first published this work in 1868 in two volumes. The book began as an expansion of the first two chapters of On the Origin of Species: 'Variation under Domestication' and 'Variation under Nature', and it developed into one of his largest works; Darwin referred to it as his 'big book'. Volume 1 deals with the variations introduced into species as a result of domestication, through changes in climate, diet, breeding and an absence of predators. He began with an examination of dogs and cats, comparing them with their wild counterparts, and moved on to investigate horses and asses; pigs, cattle, sheep, and goats; domestic rabbits; domestic pigeons; fowl; and finally cultivated plants. The work is a masterpiece of nineteenth-century scientific investigation; it is a key text in the development of Darwin's own thought and of the wider discipline of evolutionary biology.

Charles Darwin (1809–1882) first published this work in 1868 in two volumes. The book began as an expansion of the first two chapters of On the Origin of Species: 'Variation under Domestication' and 'Variation under Nature' and it developed into one of his largest works; Darwin referred to it as his 'big book'. In volume 2, concerned with how species inherit particular characteristics, Darwin first published his 'provisional hypothesis' of pangenesis. This theory of 'gemmules' was not met with much acceptance and today is not valuable as scientific explanation, but it was important in laying down the key questions that needed to be answered regarding the processes of genetic inheritance. Darwin also used volume 2 to challenge the theories of evolution by design, expounded by the botanist Asa Gray. Darwin's arguments were some of the very first in a long debate that remains hot today.

Charles Darwin (1809–1882) first published this work in 1868 in two volumes. The book began as an expansion of the first two chapters of On the Origin of Species: 'Variation under Domestication' and 'Variation under Nature', and it developed into one of his largest works; Darwin referred to it as his 'big book'. Volume 1 deals with the variations introduced into species as a result of domestication through changes in climate, diet, breeding and an absence of predators. In volume 2, concerned with how species inherit particular characteristics, Darwin first published his 'provisional hypothesis' of pangenesis, and challenged the theories of evolution by design. The work is a masterpiece of nineteenth-century scientific investigation; it is a key text in the development of Darwin's own thought and of the wider discipline of evolutionary biology.

This volume is part of the definitive edition of letters written by and to Charles Darwin, the most celebrated naturalist of the nineteenth century. It is already an important source for students and scholars in many academic disciplines. Notes and appendixes put these fascinating and wide-ranging letters in context, making the letters accessible to both scholars and general readers. Darwin depended on correspondence to collect data from all over the world, and to discuss his emerging ideas with scientific colleagues, many of whom he never met in person. The letters are published chronologically: Volume 18 includes letters from 1870, as well as a supplement of more than a hundred recently discovered or redated letters from before 1870. During 1870 Darwin was making final preparations for publication of Descent of Man, as well as continuing his research on expression in humans and animals.

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.

This second edition of The Expression of the Emotions in Man and Animals was edited by his son Francis Darwin and published in 1890. As Sir Francis notes in his brief preface, because the first edition did not sell out in Charles Darwin's lifetime, 'he had no opportunity of publishing the material collected with a view to a second edition.' This material, in the form of 'a mass of letters, extracts from and references to books' was utilised in the second edition, as were Darwin's pencilled corrections in his own volume of the first. The book is a study of the muscular movements of the face (both human and animal) triggered by the emotions being felt - a 'physical' response to a 'mental' sensation. Darwin's detailed analysis of what actually happens to a body in a state of fear, or joy, or anger is illustrated by photographic images.

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.

This sixth edition of The Origin of Species was published in 1876. It is the last edition on which Darwin himself worked before his death in 1882, and offers a useful complement to the 2009 scholarly edition, edited by Jim Endersby and published by Cambridge University Press in Darwin's bicentennial year. The sixth edition contains a 'historical sketch' in which Darwin reviews the many works by eminent European and American scientists – beginning with Lamarck in 1801 – in which ideas of evolutionary species change and of natural selection were touched on but not developed. This edition, like all from the second onwards, contains the words 'by the Creator', controversially added to the famous last sentence in the book: 'There is grandeur in this view of life, with its several powers, having been breathed by the Creator into a few forms or into one...'

Charles Darwin's On the Origin of Species By Means of Natural Selection is both a key scientific work of research, still read by scientists, and a readable narrative that has had a cultural impact unmatched by any other scientific text. First published in 1859, it has continued to sell, to be reviewed and discussed, attacked and defended. The Origin is one of those books whose controversial reputation ensures that many who have never read it nevertheless have an opinion about it. Jim Endersby's major scholarly edition debunks some of the myths that surround Darwin's book, while providing a detailed examination of the contexts within which it was originally written, published and read. Endersby provides a very readable introduction to this classic text and a level of scholarly apparatus (explanatory notes, bibliography and appendixes) that is unmatched by any other edition.

Charles Darwin's health improved substantially in 1866 under a dietary and exercise regime prescribed by his physician Henry Bence Jones. With renewed vigour, he worked steadily on his manuscript of Variation of Plants and Animals under Domestication, submitting all but the final chapter to his publisher in December. He also worked on the fourth, and much revised, edition of Origin which was delivered to printers in July, and preparations were begun for a third German edition of Origin. His improved health allowed him a more active social life. At Down, Darwin entertained a number of scientific colleagues whom he had known previously only through correspondence. He also made his first appearance in London scientific society in many years, touring the Zoological Gardens at Regent's Park, and appearing at a soirée at the Royal Society.

The Beagle departed from England for Patagonia in 1831 on a voyage to map the coast of South America. Charles Darwin, the ship's naturalist, began the voyage with scientific and theological objectio