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Darwin Correspondence Project

To W. B. Tegetmeier   [28 March – 14 April 1861]1

send them to me by enclosed address. as I rather want to see two of them.—

My dear Sir | yours sincerely | C. Darwin

I am getting together a few points to investigate.—

I think the Half-lop, had better be killed (not knocked on Head) if you get one.—2

I have not yet opened the Box with the Skulls; for I have not yet come to Skeleton.—3


The date range is established by the relationship between this letter and the letters to W. B. Tegetmeier, 28 March [1861] and 14 April [1861] (Correspondence vol. 9).
CD was interested in how the skulls of domestic rabbits were modified by the lengthening and lopping of their ears; the half-lop rabbit has one ear lopping forward, and a correspondingly asymmetrical skull (see Variation 2: 324–5).
Tegetmeier had lent CD his collection of fowl skulls for his work on Variation (see Variation 1: 260, and Correspondence vol. 9, letter to W. B. Tegetmeier, 28 March [1861]).


Asks for some unspecified items to be sent to him. The Half-lop [rabbit] should be killed, but without damaging the skull. Has not opened the box with skulls yet.

Letter details

Letter no.
Charles Robert Darwin
William Bernhard Tegetmeier
Source of text
Max Rambod (dealer), February 2008

Please cite as

Darwin Correspondence Project, “Letter no. 3103F,” accessed on 19 July 2019,

Also published in The Correspondence of Charles Darwin, vol. 18 (Supplement)