From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
30 Mar [1868]
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1: 1–52/17)
Summary:
Now understands importance of swim-bladder in selachians. Always imagined animal like Lepidosiren was parent form of vertebrates.
Has been nearly a month in London, collecting facts on sexual selection from breeders and at Zoological Gardens.
Astonished at hybrid of rabbit and hare. Is it certain that work was done with hare?
Contributor:
Darwin Correspondence Project