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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: 12 hits
- … of one stage to that observed in the metamorphosis of Crustacea (DAR 31.2: 307). This observation …
- … pointed out the similarity of barnacle larvae to those of Crustacea, most naturalists had followed …
- … and anatomical comparison intra se and with other Crustacea, was needed. Such a …
- … to rank the Cirripedia as a separate sub-class of the Crustacea rather than subsuming the group …
- … he ranked them as a separate order within this sub-class of Crustacea. Owen, on the other hand, …
- … two of the characters commonly used to define the class of Crustacea were their power of locomotion …
- … therefore ranked this group as a distinct class between the Crustacea and the Annelida (R. Owen 1855 …
- … believed that the resemblances in the metamorphosis of Crustacea and the Cirripedia indicated their …
- … to rank the Cirripedia as a separate sub-class of Crustacea.^8^ An understanding of the …
- … differed from all other cirripedes (and, indeed, from all Crustacea) in having no rectum or anus. …
- … frequently invoked this family of anomalous, parasitic Crustacea as an extreme example of retrograde …
- … a lecture of 1857 that the Cirripedia were ranked among the Crustacea ‘by every naturalist of …
Darwin and barnacles
Summary
In a letter to Henslow in March 1835 Darwin remarked that he had done ‘very little’ in zoology; the ‘only two novelties’ he added, almost as an afterthought, were a new mollusc and a ‘genus in the family Balanidæ’ – a barnacle – but it was an oddity. Who,…
Matches: 3 hits
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
- … forms of that neglected and hitherto confusing sub-class of Crustacea, Living Cirripedia (1851, …
Hermann Müller
Summary
Hermann (Heinrich Ludwig Hermann) Müller, was born in Mühlberg near Erfurt in 1829. He was the younger brother of Fritz Müller (1822–97). Following the completion of his secondary education at Erfurt in 1848, he studied natural sciences at Halle and Berlin…
Matches: 1 hits
- … of Darwin’s theory. Just as Fritz had chosen to focus on Crustacea in his book, Für Darwin , so …
Fritz Müller
Summary
Fritz Müller, a German who spent most of his life in political exile in Brazil, described Darwin as his second father, and Darwin's son, Francis, wrote that, although they never met 'the correspondence with Müller, which continued to the close of…
Matches: 1 hits
- … in 1861, Müller had discovered a new group of parasitic Crustacea, the Rhizocephala, while studying …
Alfred Russel Wallace’s essay on varieties
Summary
The original manuscript about varieties that Wallace composed on the island of Gilolo and sent to Darwin from the neighbouring island of Ternate (Brooks 1984) has not been found. It was sent to Darwin as an enclosure in a letter (itself missing), and was…
Matches: 1 hits
- … daily swarming with a fresh supply of small mollusca and crustacea. Exactly the same laws will apply …
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…
Sexual selection
Summary
Although natural selection could explain the differences between species, Darwin realised that (other than in the reproductive organs themselves) it could not explain the often marked differences between the males and females of the same species. So what…
Matches: 1 hits
- … in a whole range of organisms, from insects to crustacea to mammals, that seemed to fit with sexual …
Scientific Practice
Summary
Specialism|Experiment|Microscopes|Collecting|Theory Letter writing is often seen as a part of scientific communication, rather than as integral to knowledge making. This section shows how correspondence could help to shape the practice of science, from…
Matches: 1 hits
- … in coloration between the sexes of some species of Crustacea, annelids, and spiders. He discusses …
Darwin’s reading notebooks
Summary
In April 1838, Darwin began recording the titles of books he had read and the books he wished to read in Notebook C (Notebooks, pp. 319–28). In 1839, these lists were copied and continued in separate notebooks. The first of these reading notebooks (DAR 119…
Matches: 4 hits
- … 1834–8]: Reptiles [Duméril and Bibron 1834–54]: Crustacea Milne Edwards [Milne-Edwards 1834–40]: In …
- … 1846] —— 30 M. Edwards. Geograph Distrib of Crustacea 3 d Tom. of Suite de Buffon [Milne …
- … History of E. Borders [G. Johnston 1853]. 20 Dana’s Crustacea [J. D. Dana 1852–3] 27. …
- … DAR 71: 51–2.] 119: 22a ——. 1852–3. Crustacea . Vols. 13 and 14 of United States …
John Murray
Summary
Darwin's most famous book On the origin of species by means of natural selection (Origin) was published on 22 November 1859. The publisher was John Murray, who specialised in non-fiction, particularly politics, travel and science, and had published…
Matches: 1 hits
- … who had emigrated to Brazil, showed how his observations of crustacea supported Darwin’s theories; …
Darwin in letters, 1865: Delays and disappointments
Summary
The year was marked by three deaths of personal significance to Darwin: Hugh Falconer, a friend and supporter; Robert FitzRoy, captain of the Beagle; and William Jackson Hooker, director of the Royal Botanic Gardens, Kew, and father of Darwin’s friend…
Matches: 1 hits
- … a copy of Müller’s book, Für Darwin , a study of the Crustacea with reference to CD’s theory of …
Books on the Beagle
Summary
The Beagle was a sort of floating library. Find out what Darwin and his shipmates read here.
Matches: 1 hits
- … C. Desaulses de Desmarest, Anselm-Gäetan. Plates for Crustacea, Zoea, etc. In Dictionnaire …
