From:
Charles Robert Darwin
To:
William Darwin Fox
Date:
18 June [1860]
Source of text:
Christ’s College Library, Cambridge (MS 53 Fox 129)
Summary:
Has WDF ever observed musk ducks laying eggs in high places? The case bears on retention of aboriginal habits.
Also wants data on period of gestation of dog breeds. [See Variation 1: 30.]
Contributor:
Darwin Correspondence Project