From:
Ponderer
To:
Athenæum
Date:
[before 5 June 1869]
Source of text:
Athenæum , 5 June 1869, p. 772
Summary:
Inquires how CD arrived at the conclusion that fifteen million elephants could be produced from a single pair in five centuries [Origin, 5th ed., p. 74].
Contributor:
Darwin Correspondence Project