From William Preyer 6 July 1877
Summary
Asks for CD’s "Sketch of an infant" [Collected papers 2: 191–200]. He has made observations on new-born children and mammals to determine what behaviour is inherited and what acquired.
Author: | William Thierry (William) Preyer |
Addressee: | Charles Robert Darwin |
Date: | 6 July 1877 |
Classmark: | DAR 174: 70 |
Letter no: | DCP-LETT-11038 |
From William Preyer 25 November 1880
Summary
Sends his book [Naturwissenschaftliche Thatsachen und Probleme. Populäre Vorträge (1880)].
Anxious to receive Movement in plants because CD’s methods may be applicable to his experiments on the earliest movements of animal embryos.
Author: | William Thierry (William) Preyer |
Addressee: | Charles Robert Darwin |
Date: | 25 Nov 1880 |
Classmark: | DAR 174: 71 |
Letter no: | DCP-LETT-12857 |
From William Preyer 2 December 1880
Summary
CD’s comment that certain instincts originate as variations of the brain, rather than as habits, is supported by Brown-Séquard’s and C. F. O. Westphal’s work on epileptiform movements.
Author: | William Thierry (William) Preyer |
Addressee: | Charles Robert Darwin |
Date: | 2 Dec 1880 |
Classmark: | DAR 174: 72 |
Letter no: | DCP-LETT-12883 |
From W. T. Preyer 21 March 1869
Summary
Has given a lecture series on Darwinism which was attended by 200–500 students.
Would like to compile a list of CD’s works.
Author: | William Thierry (William) Preyer |
Addressee: | Charles Robert Darwin |
Date: | 21 Mar 1869 |
Classmark: | DAR 174: 67 |
Letter no: | DCP-LETT-6676 |
From William Thierry Preyer [before 17 February 1870]
Summary
Notes the differences in haemoglobin between species; this proves, to WP, that natural selection does not act only on morphological development.
Remarks on the differences and similarities in the effects of prussic acid on different groups of animals.
Questions CD on his early education and influences.
Author: | William Thierry (William) Preyer |
Addressee: | Charles Robert Darwin |
Date: | [before 17 Feb 1870] |
Classmark: | DAR 261.11: 21 (EH 88206073) |
Letter no: | DCP-LETT-7110 |
From W. T. Preyer 9 May 1870
Summary
Sends his "Charles Darwin, eine biographische Skizze" [Das Ausland 2 Apr 1870].
Author: | William Thierry (William) Preyer |
Addressee: | Charles Robert Darwin |
Date: | 9 May 1870 |
Classmark: | DAR 174: 68 |
Letter no: | DCP-LETT-7181 |
From William Preyer 27 April 1871
Summary
Thanks CD for Origin, 5th ed.
Comments on reviews of Descent by the Duke of Argyll and A. R. Wallace.
Lists the Darwinian professors at Jena.
WP’s work shows external ear to have no physiological functions.
W. Müller’s book not yet arrived. Will send Müller’s next works.
Author: | William Thierry (William) Preyer |
Addressee: | Charles Robert Darwin |
Date: | 27 Apr 1871 |
Classmark: | DAR 87: 52, DAR 174: 69 |
Letter no: | DCP-LETT-7721 |
From William Preyer 8 May 1871
Summary
Delighted that CD does not hesitate to follow his theory to its last consequences. "This is far more difficult in England than in Germany."
Wilhelm Müller in his new book [Beiträge zur pathologischen Anatomie und Physiologie des menschlichen Rückenmarks (1871)], adduces many facts in favour of CD’s theory.
Various observations on the human ear. [See Descent, 2d ed., p. 14 n.]
Author: | William Thierry (William) Preyer |
Addressee: | Charles Robert Darwin |
Date: | 8 May 1871 |
Classmark: | DAR 87: 49–51 |
Letter no: | DCP-LETT-7745 |
letter | (8) |
Preyer, William | (8) |