From:
William Bernhard Tegetmeier
To:
Charles Robert Darwin
Date:
[16–20 Feb 1868]
Source of text:
DAR 178: 80
Summary:
Encloses information on sex ratios in thoroughbred horses.
Contributor:
Darwin Correspondence Project
From:
William Bernhard Tegetmeier
To:
Charles Robert Darwin
Date:
8 Jan [1868?]
Source of text:
DAR 178: 69
Summary:
Has seen CD’s "carte" offered for sale.
Contributor:
Darwin Correspondence Project
From:
William Bernhard Tegetmeier
To:
Charles Robert Darwin
Date:
[before 15 Feb 1868]
Source of text:
DAR 178: 79
Summary:
Agrees to help determine the sex ratios in domestic animals.
Contributor:
Darwin Correspondence Project
From:
Thomas Stretch
To:
William Bernhard Tegetmeier
Date:
25 Feb 1868
Source of text:
DAR 86: C13
Summary:
Eight-year record of sexes of chickens.
Contributor:
Darwin Correspondence Project
From:
William Bernhard Tegetmeier
To:
Charles Robert Darwin
Date:
9 Mar 1868
Source of text:
DAR 86: C11–12
Summary:
On proportion of sexes in birds.
Contributor:
Darwin Correspondence Project
From:
William Bernhard Tegetmeier
To:
Charles Robert Darwin
Date:
25 May 1868
Source of text:
DAR 142: 49a, 52
Summary:
Describes change of plumage in chickens in order to be sure he is clear about the age of chickens on which CD wants information. Encloses feathers to illustrate changes.
Contributor:
Darwin Correspondence Project
From:
Samuel (Sam) Sanday
To:
William Bernhard Tegetmeier
Date:
29 Oct 1868
Source of text:
DAR 85: B22–23
Summary:
Information on proportion of sexes born in sheep.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
26 May 1868
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Did not know of complex change of plumage. From WBT’s letter, CD thinks six weeks to two months old is the best period. Sends details of breeds and other particulars.
Contributor:
Darwin Correspondence Project