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From Alexander Wallace   25 February 1868

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Summary

Asks CD to make his queries about proportion of sexes more precise so he can keep them in mind in his experiments with silkworms. [see Descent 1: 313.]

Author:  Alexander Wallace
Addressee:  Charles Robert Darwin
Date:  25 Feb 1868
Classmark:  DAR 85: B69–70
Letter no:  DCP-LETT-5933

From Alexander Wallace   28 February 1868

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Summary

Proportion of sexes in insects, captured and bred. [see Descent 1: 313.]

Author:  Alexander Wallace
Addressee:  Charles Robert Darwin
Date:  28 Feb 1868
Classmark:  DAR 85: B41–5
Letter no:  DCP-LETT-5953

From Alexander Wallace   14 March 1868

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Summary

On proportion of sexes [of moths?] raised from larvae: AW does not select largest exclusively.

Account of lambing in 1864 after unusual drought.

Author:  Alexander Wallace
Addressee:  Charles Robert Darwin
Date:  14 Mar 1868
Classmark:  DAR 86: A26–7
Letter no:  DCP-LETT-6011

From Alexander Wallace   15 July [1869]

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Summary

Gives information on the proportions of sexes of certain moths. [See Descent 1: 313.]

Author:  Alexander Wallace
Addressee:  Charles Robert Darwin
Date:  15 July [1869]
Classmark:  DAR 86: A98
Letter no:  DCP-LETT-6829
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1868 (3)
1869 (1)
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