3 Items
Page: 1
From Harrison Weir 28 March 1871
Summary
Effects of first impregnation on litters from subsequent pregnancies.
Power of selective breeding to produce different varieties.
| Author: | Harrison William Weir |
| Addressee: | Charles Robert Darwin |
| Date: | 28 Mar 1871 |
| Classmark: | DAR 181: 72 |
| Letter no: | DCP-LETT-7633 |
From F. C. Donders 28 March 1871
Summary
Answers to CD’s queries will take time. CD may not be aware of the influence of accommodation on the diameter of the pupil of the eye. Parrots, for example, contract or dilate the pupil independently of amount of light [see Expression, p. 304]. Sends his book on the subject [On the anomalies of accommodation and refraction of the eye (1864)].
| Author: | Frans Cornelis (Franciscus Cornelius) Donders |
| Addressee: | Charles Robert Darwin |
| Date: | 28 Mar 1871 |
| Classmark: | DAR 162: 228 |
| Letter no: | DCP-LETT-7634 |
From William Turner [after 28 March 1871]
Summary
Note on errata in first volume of Descent.
| Author: | William Turner |
| Addressee: | Charles Robert Darwin |
| Date: | [after 28 Mar 1871] |
| Classmark: | DAR 88: 82 |
| Letter no: | DCP-LETT-7637 |
Document type
| letter | (3) |
Author
| Donders, F. C. | (1) |
| Turner, William | (1) |
| Weir, H. W. | (1) |
Correspondent
| Darwin, C. R. | (3) |
| Donders, F. C. | (1) |
| Turner, William | (1) |
| Weir, H. W. | (1) |
