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From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
3 July [1862]
Source of text:
Bibliothèque nationale de France, département des Manuscrits (Manuscripts NAF 11824 ff. 68–9)
Summary:

Can AdeQ verify the statement that the moths of the several races of the common silkworm are very similar?

When the female moth comes out of the cocoon, are her wings less developed than those of a male moth at the same stage?

Contributor:
Darwin Correspondence Project