From:
Charles Robert Darwin
To:
George Gabriel Stokes, 1st baronet
Date:
18 Feb [1868]
Source of text:
CUL (Add 7656: D73)
Summary:
Wants to know how the colour of the eye of the peacock’s tail is produced, whether it depends upon colouring matter in the feathers or reflection, and whether any varying structural change will account for the series of colours surrounding it.
Contributor:
Darwin Correspondence Project
