From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
10 Apr [1858]
Source of text:
DAR 114: 231
Summary:
Asa Gray’s criticism of Buckle and his comments on large and small genera.
CD suspects glacial epoch immensely long. Rates of organic change too variable to make them a good measure of geological time.
Bees’ cells are a difficulty for theory.
Contributor:
Darwin Correspondence Project
