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Letter 1128

Darwin, C. R. to Whitby, M. A. T.

14 Oct [1847?]

    Summary Add

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    Thanks for a suite of male and female specimens of Lepidoptera. Lack of difference in size of wings surprises CD; the female's being smaller than male's in early growth is new to him. Will ask a friend in India for comparable facts.

Transcription

Down Farnborough | Kent

Oct 14th

Dear Madam

I am extremely much obliged by your kindness in sending me so capital a suite of male & female specimens. I am surprised at their not being a marked difference in the size of their wings: what you tell me of the wings of the female being smaller than those of the male, in their early growth is quite new to me. I hope to get a friend to enquire how these facts are with the species in India.

I am sincerely grateful for your kind promise to make further observations, on the points which interest me next summer.

Pray believe me, dear Madam | Yours truly obliged | C. Darwin

    Footnotes Add

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    f1 1128.f1
    See letter to M. A. T. Whitby, 2 September [1847], for CD's interest in variation in the moths raised from silkworms.
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    f2 1128.f2
    Cited in Variation 1: 303. Mrs Whitby's letter has not been found.
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    f3 1128.f3
    See letter to J. D. Hooker, 10 May 1848.
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