Owen, Richard. 1863. Ape-origin of man as tested by the brain. Athenæum, 21 February 1863, pp. 262-3.
Matches: 1 hit
- … 262-3. https://archive.org/details/sim_athenaeum-uk_1863-02-21_1843/page/262/mode/2up 13 …
From Francis Darwin to Thomas Edison [20–9 December 1877]
Summary
His father asks him to thank TAE for sending the curious case of the insects [see 11271].
Author: | Francis Darwin |
Addressee: | Thomas Alva Edison |
Date: | [20–9 Dec 1877] |
Classmark: | Thomas Edison National Park (Edison Document File, 1878 Folder: (D-78-02) Edison, T.A. – General) |
Letter no: | DCP-LETT-11312A |
Matches: 1 hit
- … Edison Document File, 1878 Folder: (D-78-02) Edison, T.A. – General) Francis Darwin Down [ …
From Asa Gray 4 August 1862
Summary
Gives J. T. Rothrock’s observations on the structure and fertility of the two forms of Houstonia. Mentions his own observations on Rhexia virginica and Gymnadenia tridentata.
Author: | Asa Gray |
Addressee: | Charles Robert Darwin |
Date: | 4 Aug 1862 |
Classmark: | DAR 110 (ser. 2): 67–9 |
Letter no: | DCP-LETT-3679 |
Matches: 1 hit
- … pollen .020. x .017 Short-styled " .036 x .02 : in the fresh plants, but dry. Distended …
From T. L. Brunton 28 February 1874
Summary
Reports negative results of his experiments on digestion of chlorophyll by Drosera and by animals. [See Insectivorous plants, p. 126.]
Sends references for chondrin.
Author: | Thomas Lauder Brunton, 1st baronet |
Addressee: | Charles Robert Darwin |
Date: | 28 Feb 1874 |
Classmark: | DAR 58.1: 47–8, DAR 160: 340 |
Letter no: | DCP-LETT-9322 |
Matches: 1 hit
- … and water 2 ........... dogs stomach with dilute HCl .02% 3 ........... glycerine & water …
letter | (3) |
bibliography | (1) |
people | (1) |
Brunton, T. L. | (1) |
Darwin, Francis | (1) |
Gray, Asa | (1) |
Darwin, C. R. | (2) |
Edison, T. A. | (1) |
Darwin, C. R. | (2) |
Brunton, T. L. | (1) |
Darwin, Francis | (1) |
Edison, T. A. | (1) |
Gray, Asa | (1) |
Evolution in Commentary
Survival of the fittest: the trouble with terminology Part II
Summary
The most forceful and persistent critic of the term ‘natural selection’ was the co-discoverer of the process itself, Alfred Russel Wallace. Wallace seized on Herbert Spencer’s term ‘survival of the fittest’, explicitly introduced as an alternative way of…
Matches: 4 hits
- … ones. ( Alfred Russel Wallace to Charles Darwin, 2 July 1866 ) …
- … Principles of biology (Spencer 1864–7, 1: 444–5, 2: 48, et passim ). Wallace was so taken with …
- … (the copy is now in Cambridge University Library, Keynes.M.2.27). Shorthand for the survival and …
- … of the fittest in the last paragraph of Variation (2: 432), but although he altered the chapter …
The writing of "Origin"
Summary
From a quiet rural existence at Down in Kent, filled with steady work on his ‘big book’ on the transmutation of species, Darwin was jolted into action in 1858 by the arrival of an unexpected letter (no longer extant) from Alfred Russel Wallace outlining a…
Matches: 3 hits
Inheritance
Summary
It was crucial to Darwin’s theories of species change that naturally occurring variations could be inherited. But at the time when he wrote Origin, he had no explanation for how inheritance worked – it was just obvious that it did. Darwin’s attempt to…
Correlation of growth: deaf blue-eyed cats, pigs, and poison
Summary
As he was first developing his ideas, among the potential problems Darwin recognised with natural selection was how to account for developmental change that conferred no apparent advantage. He proposed a ‘mysterious law’ of ‘correlation of growth’ where…
Abstract of Darwin’s theory
Summary
There are two extant versions of the abstract of Darwin’s theory of natural selection. One was sent to Asa Gray on 5 September 1857, enclosed with a letter of the same date (see Correspondence vol. 6, letter to Asa Gray, 5 September [1857] and enclosure).…
Matches: 4 hits
- … picking out, can do. Even Breeders have been astonished 2 at their own results. They can act on …
- … sheep good for carpet & another for cloth &c. 9 (2.) Now suppose there was a …
- … weight if cropped with several species of grasses than with 2 or 3 species. 34 Now every single …
- … are enclosed in square brackets in the manuscript. 2 The printed version reads: ‘astounded’ …
Natural Selection: the trouble with terminology Part I
Summary
Darwin encountered problems with the term ‘natural selection’ even before Origin appeared. Everyone from the Harvard botanist Asa Gray to his own publisher came up with objections. Broadly these divided into concerns either that its meaning simply wasn’t…
Matches: 1 hits
- … I suppose “natural selection” was bad term but to change it now, I think, would make confusion …
Sexual selection
Summary
Although natural selection could explain the differences between species, Darwin realised that (other than in the reproductive organs themselves) it could not explain the often marked differences between the males and females of the same species. So what…
Matches: 1 hits
- … Although natural selection could explain the differences between species, Darwin realised that …