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:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
21 Feb [1868]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Thanks WBT for tabulation of sex ratios in racehorses.
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:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
[5–9 Mar 1868]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Would like to meet with WBT while in London.
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:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
17 [Mar 1868]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
For experiment on effect of male beauty, pigeons should be coloured on the breast.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
23 Apr [1868]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Likes WBT’s review [of Variation] in the Field [31 (1868): 309, 350].
Awaits remarks on coloured pigeons and proportion of sexes.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
20 May [1868]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Inquires about the colour of first plumage of poultry breeds and development of distinguishing features.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
22 May [1868]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Inquires about plumage of poultry breeds.
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:
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
From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
3 Sept [1868]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Would like information on the first plumage of poultry.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
8 Sept [1868]
Source of text:
American Philosophical Society (Mss.B.D25.273)
Summary:
Asks about the differences in colour of plumage of adult male, female, and young birds. Suggests pile game as subject.
Asks about relative proportion of sexes in ducks and fowls.
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:
5 Feb [1869]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Repeats request for information on colours of plumage of poultry breeds and asks for WBT’s facts on proportions of sexes.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
25 Feb [1869]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Inquires about colour and development of plumage of poultry breeds. Is endeavouring to trace sexual differences throughout the animal kingdom.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
17 Apr 1869
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Wants information on plumage of chickens
and table of sex ratios in greyhounds.
Contributor:
Darwin Correspondence Project
From:
William Bernhard Tegetmeier
To:
Charles Robert Darwin
Date:
[before 18 Apr 1869]
Source of text:
DAR 85: B29–33
Summary:
Numerical proportion of males to females in greyhound puppies.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
18 Apr [1869]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Thanks for greyhound table; interested in transmission of colour in greyhounds and relationship to sex.
Contributor:
Darwin Correspondence Project
From:
William Bernhard Tegetmeier
To:
Charles Robert Darwin
Date:
30 June 1869
Source of text:
DAR 142: 49c
Summary:
Forwards a basket of eggs of pile game fowl.
Contributor:
Darwin Correspondence Project