To Raphael Meldola 13 August [1873]
Summary
Thanks RM for his paper on mimicry.
Cannot answer RM’s query because he believes it impossible to define large variations.
Believes monstrosities are generally injurious and are not often, if ever, taken advantage of in nature.
Author: | Charles Robert Darwin |
Addressee: | Raphael Meldola |
Date: | 13 Aug [1873] |
Classmark: | Oxford University Museum of Natural History (Hope Entomological Collections 1350: Hope/Westwood Archive, Darwin folder) |
Letter no: | DCP-LETT-9006 |
To J. D. Hooker 13 August 1873
Summary
Asks JDH why so many plants are protected by a thin layer of waxy matter or with fine hairs.
Wrote to John Smith for a plant of Oxalis sensitiva, but it has not acted well.
Rejoices over Ayrton’s retirement. Hopes W. P. Adam, his successor, is a good sort of man.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 13 Aug 1873 |
Classmark: | DAR 94: 270–1 |
Letter no: | DCP-LETT-9007 |
From J. S. Burdon Sanderson 13 August [1873]
Summary
Answers CD’s questions of 25 July [8987] about temperatures at which cold-blooded animals are killed.
Doubts heat rigor was induced in Drosera. Gives his view of the relation of excitability to increase in temperature.
Suggests experiment to show that electrical changes in plant are the same as in animal muscle and nerve [see Insectivorous plants, p. 318].
Author: | John Scott Burdon Sanderson, 1st baronet |
Addressee: | Charles Robert Darwin |
Date: | 13 Aug [1873] |
Classmark: | DAR 58.1: 34–7 |
Letter no: | DCP-LETT-9008 |
From E. T. Gardner 13 August 1873
Summary
Sends CD an excerpt from N. Y. Tribune [missing] about an account by W. D. Whitney, of Yale, of scientific work in Colorado.
Author: | E. T Gardner |
Addressee: | Charles Robert Darwin |
Date: | 13 Aug 1873 |
Classmark: | DAR 165: 7 |
Letter no: | DCP-LETT-9009 |
letter | (4) |
Darwin, C. R. | (2) |
Burdon Sanderson, J. S. | (1) |
Gardner, E. T. | (1) |
Darwin, C. R. | (2) |
Hooker, J. D. | (1) |
Meldola, Raphael | (1) |
Darwin, C. R. | (4) |
Burdon Sanderson, J. S. | (1) |
Gardner, E. T. | (1) |
Hooker, J. D. | (1) |
Meldola, Raphael | (1) |