ArgumentDarwin's narrative of the earthquake at Concepción, set within the frameworks of Lyellian uniformitarianism, romantic aesthetics, and the emergence of geology as a popular science, is suggestive of the role of the sublime in geological enquiry and theory in the early nineteenth century. Darwin'sBeaglediary and later notebooks and publications show that the aesthetic of the sublime was both a form of representing geology to a popular audience, and a crucial structure for the observation and recording of the event from the (...) beginning. The awesome spectacle of the earthquake proved in turn the magnitude of the forces at stake in earth history, and helped to make geology an epic conjoining the history of civilization with the history of the earth. (shrink)

The prevailing view among historians of science holds that Charles Darwin became a convinced transmutationist only in the early spring of 1837, after his Beagle collections had been examined by expert British naturalists. With respect to the fossil vertebrate evidence, some historians believe that Darwin was incapable of seeing or understanding the transmutationist implications of his specimens without the help of Richard Owen. There is ample evidence, however, that he clearly recognized the similarities between several of the fossil vertebrates he (...) collected and some of the extant fauna of South America before he returned to Britain. These comparisons, recorded in his correspondence, his diary and his notebooks during the voyage, were instances of a phenomenon that he later called the "law of the succession of types." Moreover, on the Beagle, he was following a geological research agenda outlined in the second volume of Charles Lyell's Principles of Geology, which implies that paleontological data alone could provide an insight into the laws which govern the appearance of new species. Since Darwin claims in On the Origin of Species that fossil vertebrate succession was one of the key lines of evidence that led him to question the fixity of species, it seems certain that he was seriously contemplating transmutation during the Beagle voyage. If so, historians of science need to reconsider both the role of Britain's expert naturalists and the importance of the fossil vertebrate evidence in the development of Darwin's ideas on transmutation. (shrink)

This paper analyzes biological and scientific discourses about the racial composition of the Brazilian population, between 1832 and 1911. The first of these dates represents Darwin’s first arrival in the South-American country during his voyage on H.M.S. Beagle. The study ends in 1911, with the celebration of the First universal Races congress in London, where the Brazilian physical anthropologist J.B. Lacerda predicted the complete extinction of black Brazilians by the year 2012. Contemporary European and North-American racial theories had a profound (...) influence in Brazilian scientific debates on race and miscegenation. These debates also reflected a wider political and cultural concern, shared by most Brazilian scholars, about the future of the Nation. With few known exceptions, Brazilian evolutionists, medical doctors, physical anthropologists, and naturalists, considered that the racial composition of the population was a handicap to the commonly shared nationalistic goal of creating a modern and progressive Brazilian Republic. (shrink)

During the mid-nineteenth century, the eminent British zoologist Alfred Newton recognized that some of the ideas embedded in Origin of Species provided new scientific rationales for the preservation of endangered species. He then embarked on a twenty-five-year-long campaign for law reforms and successfully lobbied Parliament to enact three new statutes for the preservation of endangered wild birds that gave priority to the scientific value of rare species. The account of Newton’s campaign presented in this article helps to locate Newton in (...) the nineteenth century conservation movement, while also shining a side light on the relationship between conservation science and policy-making more generally, including the variety of voices and approaches taken to conservation in the UK and US. Today, as we pursue new regulatory responses to critical environmental issues, such as biodiversity loss and climate change, the history of Newton’s campaign offers an early example of a successful approach to science-based law reform. It also shows how some of the issues that Newton and his contemporaries confronted at the science-policy interface in the nineteenth century are enduring and remain relevant today, including debates about; the role of scientist-advocates in policy-making, the criteria that make science advice effective, and whether the “democratization” of science leads to better policy decisions. (shrink)

(1) Darwin inherited Lyell’s methodology and applied it to the animate beings. This led him, eventually, to the principle of natural selection. This principle enabled him to expel God from biology. (2) Darwin diverged from Lyell on Man and Morality, presumably because of his experience in Tierra del Fuego. This led him to the thesis of continuity of man and animals, and he noticed the function of morality. (3) The process of Darwin’s theory construction may be likened to gradual evolution. (...) Each element of his theory, by itself, is not revolutionary. But taken together and combined, these elements produced a revolutionary change. (shrink)

There is a pervasive contrast in the early natural history writings of the co-discoverers of natural selection, Alfred Russel Wallace and Charles Darwin. In his writings from South America and the Malay Archipelago (1848-1852, 1854-1862). Wallace consistently emphasized species and genera, and separated these descriptions from his rarer and briefer discussions of individual organisms. In contrast, Darwin's writings during the Beagle voyage (1831-1836) emphasized individual organisms, and mingled descriptions of individuals and groups. The contrast is explained by the different practices (...) of the two naturalists in the field. Wallace and Darwin went to the field with different educational experiences and social connections, constrained by different responsibilities and theoretical interests. These in turn resulted in different natural history practices; i.e., different habits and working routines in the field. Wallace's intense collecting activities aimed at a complete inventory of different species and their distributions at many localities. Darwin's less intense collecting practice focused on detailed observations of individual organisms. These different practices resulted in different material, textual and conceptual products. Placing natural history practices at the center of analysis reveals connections among these diverse products, and throws light on Wallace and Darwin's respective treatment of individuals and groups in natural history. In particular, this approach clarifies the relation between individuals and groups in Wallace's theory of natural selection, and provides an integrative starting point for further investigations of the broader social factors that shaped Victorian natural history practices and their scientific products. (shrink)

Like other aspiring geologists in the 1830s, Darwin focused heavily on the rising and falling of the earth's crust. I use his time in the Andes to underscore the importance he placed on larger questions of vertical movement, which mountains helped to solidify in his mind. His most impressive ramblings occurred in 1835 on two high passes in the Andes. Prior to his upland journey, he was well prepared to see the gradual movement of the earth's crust, but his time (...) in the mountains honed his vertical vision. His actual travels up and over enabled him to think more clearly about rise and fall, and how corresponding geographies could link the past to the present. Mountains were instructive backdrops to his theorizing, partly because he traveled through them, but also because his time there, linked with other geographies, became a means to foster his thinking both spatially and temporally. He did not think about mountains, but with them and through them. He is a good example of the broader vertical consciousness that directed many sciences at this time. (shrink)