From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[8 July 1855]
Source of text:
DAR 104: 192–3
Summary:
Australian Leguminosae problem: of 900 species not ten are common to southwest and southeast. No migration; hence either creation or variation.
Himalayan thistles: graded intermediates between large and small English species, "shakes species to their foundations". Similarity of CD’s and his views on species.
Contributor:
Darwin Correspondence Project