From:
Albrecht Carl Ludwig Gotthilf (Albert) Günther
To:
Charles Robert Darwin
Date:
[c. 23 Mar 1868?]
Source of text:
DAR 82.2: 25
Summary:
Note on sexual differences in Monacanthus.
Contributor:
Darwin Correspondence Project
From:
Frederick Smith
To:
Charles Robert Darwin
Date:
[c. 10 Mar 1868?]
Source of text:
DAR 82: 7
Summary:
On the relative size of sexes in aculeate Hymenoptera. [See Descent 1: 347–8.]
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Alfred Smith
Date:
[11–31 Mar 1868]
Source of text:
DAR 81: 94–5
Summary:
Instructions for woodcuts showing sexual differences in beetles, for Descent.
Contributor:
Darwin Correspondence Project
From:
Henry Tibbats Stainton
To:
Charles Robert Darwin
Date:
7 Mar 1868
Source of text:
DAR 86: A19–20
Summary:
Protective coloration in butterflies.
[Alexander] Wallace’s suggestion that collecting larger larvae of females accounts for error in counting proportion of sexes.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
[21 Mar 1868]
Source of text:
The British Library (Add MS 46434: 119–20); DAR 106: B160–3
Summary:
On problem of sterility, CD cannot persuade himself that it has been gained by natural selection.
On sexual selection and minute variations, he tends to agree with ARW. Sends George Darwin’s notes on ARW’s argument.
Contributor:
Darwin Correspondence Project
