From:
Charles Robert Darwin
To:
George Busk
Date:
2 Sept [1871]
Source of text:
DAR 96: 88
Summary:
Is preparing a new edition of Origin [6th ed. (1872)] and asks GB for information on the gradations between the vibracula and avicularia of the Polyzoa and on what he bases his opinion concerning the homology of the avicularium with the zooid.
Contributor:
Darwin Correspondence Project
