Bad Request
Your browser sent a request that this server could not understand.
Apache Server at dcp-public.lib.cam.ac.uk Port 443
Search:
in keywords
11 Items
Darwin’s study of the Cirripedia
Summary
Darwin’s work on barnacles, conducted between 1846 and 1854, has long posed problems for historians. Coming between his transmutation notebooks and the Origin of species, it has frequently been interpreted as a digression from Darwin’s species work. Yet…
Matches: 20 hits
- … Coming between his transmutation notebooks and the Origin of species , it has frequently been …
- … species work. Yet when this study is viewed in the context of Darwin’s earlier interests, in …
- … as the letters in this volume suggest, Darwin’s study of cirripedes, far from being merely a dry, …
- … work which addressed several problems at the forefront of contemporary natural history. Treating a …
- … work can be viewed as having perfected his understanding of scientific nomenclature, comprising both …
- … Darwin recalled: ‘Drs. Grant and Coldstream attended much to marine zoology, and I often accompanied …
- … , 2: 285–91), for example, there are numerous references to the ova of various invertebrates, and …
- … in 1827, related his discovery that the so-called ova of the bryozoan Flustra foliacea were in …
- … voyage. Darwin expressed his current enthusiasm in a letter to William Darwin Fox, 23 May 1833 ( …
- … The pleasure of working with the Microscope ranks second to geology.— I strongly advise you …
- … ova of invertebrates, Darwin was particularly well prepared to appreciate the unusual nature of a …
- … or sessile acorn barnacles, most frequently found attached to rocks. Yet from the absence of a shell …
- … ‘Balanus’ and remarked on the resemblance of one stage to that observed in the metamorphosis of …
- … a matter of dispute among naturalists. Prior to the publication in 1830 of John Vaughan …
- … that it was difficult, he maintained, even to establish its relation to the common cirripedes. Yet …
- … these were the incipient ovaria and the cement glands of the organism ( Living Cirripedia (1851): …
- … organs could become modified to fulfill a new function in an organism.^14^ It is also true that …
- … males,’—a fact unquestionably of first-rate interest in relation to the physiology of the …
- … intrigued systematists by appearing to unite in one organism disparate characters from different …
- … origin of separate sexes from an ancestral hermaphroditic organism. ^16^ See Natural …
Correlation of growth: deaf blue-eyed cats, pigs, and poison
Summary
As he was first developing his ideas, among the potential problems Darwin recognised with natural selection was how to account for developmental change that conferred no apparent advantage. He proposed a ‘mysterious law’ of ‘correlation of growth’ where…
Matches: 8 hits
- … Darwin made many changes to the text of Origin across different editions as he …
- … problems Darwin recognised with natural selection was how to account for developmental change that …
- … modified.’ He set about looking for ‘ Cases of odd & inexplicable connection, between …
- … edition of Origin , Darwin had already diluted the claim to: ‘cats with blue eyes are generally …
- … He had refined it yet further by the 4 th edition to only blue-eyed cats which were ‘entirely …
- … in Sicily.’ And Wyman’s case was ‘ a marvellous relation of mere colour, (generally thought to be …
- … seems worth consideration. Namely, whether there is any relation in Europeans between the colour of …
- … thousand cases had been tabulated, whether there exists any relation between the colour of the hair …
Essay: Evolutionary teleology
Summary
—by Asa Gray EVOLUTIONARY TELEOLOGY When Cuvier spoke of the ‘combination of organs in such order that they may be in consistence with the part which the animal has to play in Nature,’ his opponent, Geoffroy St.-Hilaire, rejoined, ‘I know nothing of…
Matches: 11 hits
- … Gray EVOLUTIONARY TELEOLOGY When Cuvier spoke of the ‘ combination of organs in such …
- … that use was a fallacious and homology the surer guide to correct classification–it was not …
- … Probably it is still generally thought that the school of Cuvier and that of St.-Hilaire have …
- … (art. IX, p. 234), we expressed our sense of the great gain to science from his having brought back …
- … so that the first look of it is by no means reassuring to the minds of those who cherish theistic …
- … into the whole system of the organic world, they were held to furnish irrefragable as well as …
- … the contriver’s purpose in the creation of each organ and organism, as it were, in the manner man …
- … which has been set up as the orthodox doctrine, but which to St. Augustine and other learned …
- … what is the sense of introducing useless parts into a useful organism, and what shadow of …
- … up in a seed-bed, for instance, seem to be in no assignable relation to the external conditions. …
- … of which we speak, as originating in no obvious casual relation to the external conditions, do not …
Was Darwin an ecologist?
Summary
One of the most fascinating aspects of Charles Darwin’s correspondence is the extent to which the experiments he performed at his home in Down, in the English county of Kent, seem to prefigure modern scientific work in ecology.
Matches: 16 hits
- … I gave two seeds to a confounded old cock, but his gizzard ground them up; at least I cd. not …
- … 48o in his excrement. Please Mr. Deputy-Wriggler explain to me why these seeds & pods, hang long …
- … birds accidentally dropping them. The case is a sore puzzle to me.— Charles Darwin to J …
- … by birds with muscular gizzards (e.g. Galliformes). To test this prediction, all seeds defecated or …
- … Mauro Galetti, 2002: ‘Seed dispersal of mimetic seeds: parasitism, mutualism, aposematism or …
- … writings and modern scientific papers), the coincidence of images – Darwin in the 1860s following …
- … were essentially working on the same puzzle: the existence of bright colours in seeds that have no …
- … on at Down also have ecological resonances: the activities of earthworms; the mix of species in a …
- … in more ways than one – in establishing the modern field of ecology, the assumptions and frameworks …
- … universities that Darwin’s ‘held together with a piece of string’ experiments could seem suspect to …
- … gentleman amateur, observing his surroundings, Darwin seems to fit easily into an earlier tradition …
- … philosophy studies the values we give or might give to the natural world and tries to establish or …
- … ecology, we mean the whole science of the relations of the organism to the environment including, in …
- … on a temporal aspect. Darwin is interested not just in an organism’s adaptation to a static or …
- … of Madagascar became larger through natural selection in relation to their general conditions of …
- … not, as it generally had been before him, a study of how an organism fitted into a niche in a static …
Darwin in letters, 1869: Forward on all fronts
Summary
At the start of 1869, Darwin was hard at work making changes and additions for a fifth edition of Origin. He may have resented the interruption to his work on sexual selection and human evolution, but he spent forty-six days on the task. Much of the…
Matches: 6 hits
- … At the start of 1869, Darwin was hard at work making changes and additions for a fifth edition of …
- … had exercised Darwin for decades, and that would continue to occupy him for many years to come. …
- … Darwin had considered Nägeli’s paper important enough to have a translation made for his personal …
- … had assigned it an auxilliary role, second to his own theory of perfectibility (‘Vervollkommnung’), …
- … me like a pick-pocket for pangenesis, which of course has no relation to the Origin— Her motive …
- … ‘monistic’ and therefore as denying ‘liberty’ to the organism. Delpino’s criticism was noted in a …
Species and varieties
Summary
On the origin of species by means of natural selection …so begins the title of Darwin’s most famous book, and the reader would rightly assume that such a thing as ‘species’ must therefore exist and be subject to description. But the title continues, …or…
Matches: 7 hits
- … On the origin of species by means of natural selection …so begins the title of Darwin’s most …
- … that clearly defined species didn’t exist. The answer to the question is … both! …
- … William Ogle sent his translation, Aristotle on the parts of animals (Ogle trans. 1882). Darwin …
- … and yet are not animals, that scarcely any difference seems to exist between two neighbouring groups …
- … essentialism, the idea that certain attributes are essential to the characterisation of things, and …
- … could be used to diagnose the place of an individual organism. Darwin himself did not set out …
- … view was practical and flexible. Species could be defined in relation to each other, and, over time, …
Essay: Design versus necessity
Summary
—by Asa Gray DESIGN VERSUS NECESSITY.—DISCUSSION BETWEEN TWO READERS OF DARWIN’S TREATISE ON THE ORIGIN OF SPECIES, UPON ITS NATURAL THEOLOGY. (American Journal of Science and Arts, September, 1860) D.T.—Is Darwin’s theory atheistic or pantheistic…
Matches: 5 hits
- … DESIGN VERSUS NECESSITY.—DISCUSSION BETWEEN TWO READERS OF DARWIN’S TREATISE ON THE ORIGIN OF …
- … the balls would not pass as before, namely, the red ball to the south, and the white ball to the …
- … concert with each other, indeed, they may be ignorant of each other’ s design, or even of each other …
- … none of the arguments that may be used to prove, from this organism, thus existing, that it could …
- … equally conversant with the properties of the matter and the relation of the forces concerned …
Essay: Evolution & theology
Summary
—by Asa Gray EVOLUTION AND THEOLOGY The Nation, January 15, 1874 The attitude of theologians toward doctrines of evolution, from the nebular hypothesis down to ‘Darwinism,’ is no less worthy of consideration, and hardly less diverse, than that of…
Matches: 13 hits
- … The Nation, January 15, 1874 The attitude of theologians toward doctrines of evolution, from …
- … Theology (Part II, Anthropology),’ we call attention to a recent essay, by an able and veteran …
- … of Christian thought upon the subject, it is convenient to review them in connection. Theologians …
- … way of refuting scientific doctrines which they object to, by pitting the authority or opinion of …
- … these divergent or contradictory views are here referred to, but only as an illustration of the fact …
- … of the subject, as respects the relations of modern science to the foundations of religious belief, …
- … of opinion should be distributed, even if only according to prepossessions, rather than that the …
- … than that of Dr. Dawson), if it were still possible, would–to say the least–probably not at all help …
- … day. As a theologian, Mr. Henslow doubtless is not to be compared with the veteran professor …
- … our hands. It is a series of nineteen Sunday lectures on the relation of natural and revealed …
- … discussion of predestination and free-will, and of prayer in relation to invariable law–all in a …
- … would naturally come in his way–such, especially, as the relation of evolution to the human race–are …
- … only the storing and the using of physical force in a living organism. If, for want of a special …
Living and fossil cirripedia
Summary
Darwin published four volumes on barnacles, the crustacean sub-class Cirripedia, between 1851 and 1854, two on living species and two on fossil species. Written for a specialist audience, they are among the most challenging and least read of Darwin’s works…
Matches: 7 hits
- … such are probably among the most challenging and least read of Darwin’s works. Often dismissed as a …
- … by Darwin’s species theory. Every aspect, from the choice of subject to the production of the …
- … octopus and on planarian worms are included in his Journal of researches, his account of the …
- … hard this hit Darwin. When Darwin wrote ‘ How painfully (to me) true is your remark that no one has …
- … collected from the Chonos Archipelago in the southern tip of South America in January 1835. Darwin …
- … in the naming of fossil genera by his belief in the material relation of fossils to living species. …
- … Serial homology refers to corresponding parts in the same organism, such as the legs of an insect or …
Darwin in letters, 1847-1850: Microscopes and barnacles
Summary
Darwin's study of barnacles, begun in 1844, took him eight years to complete. The correspondence reveals how his interest in a species found during the Beagle voyage developed into an investigation of the comparative anatomy of other cirripedes and…
Matches: 9 hits
- … Species theory In November 1845, Charles Darwin wrote to his friend and confidant Joseph …
- … the Beagle voyage developed into an investigation of the comparative anatomy of other cirripedes …
- … work and the species theory that provided the background to this work and that guided his …
- … a recurrent debilitating illness that eventually drove him to Malvern in Worcestershire to try the …
- … hours at the microscope did not preclude a prodigious amount of other scientific activity. There are …
- … and the attention that Darwin and his colleagues gave to their views reveals a recognition on the …
- … dangerous travels through the mountains. Hooker writes of the complicated geology of the area, of …
- … a later stage in which the male was similarly dwarfed in relation to the female and lived, as did …
- … the free-swimming larva is modified into a sessile, adult organism ( Correspondence vol. 4, …
Review: The Origin of Species
Summary
- by Asa Gray THE ORIGIN OF SPECIES BY MEANS OF NATURAL SELECTION (American Journal of Science and Arts, March, 1860) This book is already exciting much attention. Two American editions are announced, through which it will become familiar to many…
Matches: 10 hits
- … - by Asa Gray THE ORIGIN OF SPECIES BY MEANS OF NATURAL SELECTION (American Journal of …
- … are announced, through which it will become familiar to many of our readers, before these pages are …
- … unnecessary in such a case; and it would be difficult to give by detached extracts. For the volume …
- … elaborate work might have done, with all its full details of the facts upon which the author’s …
- … book: but all the facts that can be mustered in favor of the theory are still likely to be needed. …
- … conflict among opinions of every grade must ensue, which—to borrow an illustration from the doctrine …
- … be inexplicable, views the phenomena only in their supposed relation to the divine mind. The other, …
- … of fruit, size of udder, stands of course in obvious relation to supply of food. Really, we …
- … of Malmesbury, had declared that all Nature is at war, one organism with another or with external …
- … in their original application to human society and the relation of population to subsistence, their …
letter
