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Letter 2409

Lubbock, John to Darwin, C. R.

8 Feb 1859

    Summary Add

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    Is sorry to hear of bad health of CD and his daughter.

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    Discusses, with an example, the difficulty of explaining structural differences between closely allied species.


11, Mansion House Street, | London, | E.C.

8 February 1859

Dear Mr Darwin

I am indeed sorry to hear so bad an account of you & of your daughter, & hope that change of air may do you both good. Beauy is going on very well, and we now quite hope to save half of the middle joint. It is a sad thing for him.

Many thanks for your suggestion which I like very much, but the conclusions to be made from the internal anatomy are very puzzling. How the present arrangement, for instance, of the vitellogenous cells is to be accounted for, I am at a loss to imagine. Unless indeed we cut the Gordian knot, by assuming a creation? Then again species very nearly allied (apparently) often present great differences in organs which we should have expected to find very similar. Thus Forficula auricularia has an ovary consisting of numerous short tubes, while in Labidoura gigantea the ovary is composed (according to Leon Dufour) of a few long eggtubes. What external circumstances can possibly have produced such great differences in animals so

    Footnotes Add

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    f1 2409.f1
    Beaumont William Lubbock.
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    f2 2409.f2
    According to Lubbock, Léon Jean Marie Dufour was ‘the greatest Entomological anatomist in the world’ (Lubbock 1857a, p. 143). Dufour proposed an important new classification scheme for earwigs based on ovarian tubes (Dufour 1828).
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    f3 2409.f3
    CD's annotation refers to chapter 8 of Natural selection, ‘Difficulties on the theory of natural selection in relation to passages from form to form’.
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