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
Showing 1–8 of 8 items
Encloses information on sex ratios in thoroughbred horses.
Has seen CD’s "carte" offered for sale.
Agrees to help determine the sex ratios in domestic animals.
Eight-year record of sexes of chickens.
On proportion of sexes in birds.
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.
Information on proportion of sexes born in sheep.
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.