From:
Charles Grant Blairfindie (Grant) Allen
To:
Charles Robert Darwin
Date:
19 Mar [1878]
Source of text:
DAR 159: 42
Summary:
Thanks for comments on paper and references to related works. Clarifies points on colour distinction between energy-absorbing (green) and energy-expending (bright-hued) portions of plants and on the influence of flower colour in modifying the insect organism.
Contributor:
Darwin Correspondence Project
