skip to content

Darwin Correspondence Project

Search: contains ""

Darwin Correspondence Project
Search:
1873::08::13 in date [X]
1873::08::13 in date [X]
4 Items
Sorted by:  
Page: 1

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]

thumbnail

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, 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