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
From:
Edward Westey Janson
To:
Charles Robert Darwin
Date:
4 June 1868
Source of text:
DAR 82: A101–2
Summary:
Sends specimens of Coleoptera.
Quotes from W. F. Erichson [Naturgeschichte der Insecten Deutschlands 3: 927] on stridulating organs in Trox.
Contributor:
Darwin Correspondence Project
From:
Thomas Henry Farrer, 1st baronet and 1st Baron Farrer
To:
Charles Robert Darwin
Date:
4 June 1868
Source of text:
DAR 164: 42
Summary:
Describes work with pollinia of another Orchis species.
Contributor:
Darwin Correspondence Project
