From:
George Rogers
To:
Charles Robert Darwin
Date:
4 June 1868
Source of text:
DAR 176: 193
Summary:
Suggests variation in seed-covering membranes as a cause of variation in plants.
Contributor:
Darwin Correspondence Project
Showing 1–5 of 5 items
Suggests variation in seed-covering membranes as a cause of variation in plants.
Asks about camouflage of birds in the Sahara desert.
Sends specimens of Coleoptera.
Quotes from W. F. Erichson [Naturgeschichte der Insecten Deutschlands 3: 927] on stridulating organs in Trox.
Describes work with pollinia of another Orchis species.
No summary available.