skip to content

Darwin Correspondence Project

Search: contains ""

400 Bad Request

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
5 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: 27 hits

  • as the letters in this volume suggest, Darwins study of cirripedes, far from being merely a dry, …
  • the coast of Chile, Darwin foundmost curiousminute cirripedes buried within the shell of a
  • was notable, for in 1835 the presence of larval stages of cirripedes was still a matter of dispute
  • Vaughan Thompsons account of the developmental history of cirripedes, which pointed out the
  • had followed Linnaeus and Cuvier in classifying the cirripedes as molluscs because of their external
  • For fourteen months Darwin pursued an anatomical study of pedunculated and sessile cirripedes, …
  • such a prominent role in Darwins classification of the cirripedes. Homology provided the key to
  • Darwin frequently relied upon his current concernthe cirripedesto help illustrate particular
  • treatment of the natural history and systematics of the cirripedes.    In a later volume of
  • a key element in Darwins taxonomic evaluation of the cirripedes. It justified, for example, his
  • development for assigning taxonomic rank, and since the cirripedes most nearly resembled degraded
  • the Cirripedia indicated their community of descent. Since cirripedes exhibited characters common to
  • complemental to and parasitic on the hermaphrodites. . . The Cirripedes form a highly varying and
  • section to a description of the metamorphosis of cirripedes, explaining that this was necessaryon
  • rank. Furthermore, studying the developmental history of cirripedes and thereby analysing the
  • by what he discovered. The female differed from all other cirripedes (and, indeed, from all
  • to certain genera in the Lepadidae and, along with the pedunculated cirripedes Ibla and
  • he maintained, even to establish its relation to the common cirripedes. Yet again homology guided
  • cirripede, as deduced from the metamorphoses of other cirripedes, are plainly illustrated during the
  • inclined to rank Proteolepas in one division, and all other cirripedes in another division of equal
  • at all in any important character, from the pupæ of other cirripedes, I have thought the three
  • in the Abdominalia (legs on abdomen), with all other cirripedes making up the Thoracica (legs on
  • and existing creature were known, will readily admit, that Cirripedes were once separated by
  • with the exuviæ of the parent, to a supporting surface. In Cirripedes, we may suppose the cementing
  • comes from his discussion of the sexual relations of cirripedes. The hermaphroditism of cirripedes
  • after finding little males attached to hermaphrodite cirripedes, for exampleDarwin informed
  • merits of the work:    In your Monograph on the Pedunculated Cirripeds, you have treated

Darwin in letters, 1851-1855: Death of a daughter

Summary

The letters from these years reveal the main preoccupations of Darwin’s life with a new intensity. The period opens with a family tragedy in the death of Darwin’s oldest and favourite daughter, Anne, and it shows how, weary and mourning his dead child,…

Matches: 3 hits

  • … and, with the notable exception of  Alcippe , the novel cirripedes already described. The …
  • … Throughout 1851, Darwin concentrated on the pedunculated cirripedes, arranging for drawings and …
  • … were devoted to the anatomy and classification of sessile cirripedes and culminated in  Living …

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: 5 hits

  • … type of homology, one that was especially difficult in cirripedes because they had more than a …
  • … for comparison with the British specimens ’. The fossil cirripedes volume was accepted by the …
  • … reported on his progress: ‘ I have described 38 fossil Pedunculated Cirripedia; all the recent …
  • … Lankester of the Ray Society that his manuscript on living pedunculated species could be ready in a …
  • … is at last published ’. A second volume on fossil cirripedes appeared in May 1855 as part of …

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: 1 hits

  • … into an investigation of the comparative anatomy of other cirripedes and then into what became an …

Darwin in letters, 1858-1859: Origin

Summary

The years 1858 and 1859 were, without doubt, the most momentous of Darwin’s life. From a quiet rural existence filled with steady work on his ‘big book’ on species, he was jolted into action by the arrival of an unexpected letter from Alfred Russel Wallace…

Matches: 1 hits

  • … The years 1858 and 1859 were, without doubt, the most momentous of Darwin’s life. From a quiet …
letter