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Darwin Correspondence Project

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Darwin Correspondence Project
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From Thomas Davidson   3 May 1861

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Summary

Sends three tables on the known geological distribution of genera and subgenera of Brachiopoda. Has been continually puzzled by intermediate forms, and is convinced that the greater number of species can be linked together. "Natura non facit saltum."

Author:  Thomas Davidson
Addressee:  Charles Robert Darwin
Date:  3 May 1861
Classmark:  DAR 99: 1–2
Letter no:  DCP-LETT-3135

Matches: 3 hits

  • … of new species of fossils from the Silurian rocks of Nova Scotia. Canadian Naturalist 5: …
  • … so stated by me when I described the British Silurian Species in the Bulletin de la Soc.   …
  • … especially so as you remark in the Lower Silurian the introduction of so many new genera …

To Asa Gray   5 June [1861]

Summary

AG’s review of John Phillips’ book [Life on earth (1860), in Am. J. Sci. 2d ser. 31 (1861): 444–9].

Thinks his experiments will explain Primula dimorphism.

Insect fertilisation of orchids.

Wishes that the "greatest curse on Earth", slavery, were abolished.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  5 June [1861]
Classmark:  Gray Herbarium of Harvard University (60)
Letter no:  DCP-LETT-3176

Matches: 1 hit

  • … that had persisted unchanged since the Silurian era ( ibid . , p.  103). The reference may …
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Silurian in keywords
4 Items

Darwin’s reading notebooks

Summary

In April 1838, Darwin began recording the titles of books he had read and the books he wished to read in Notebook C (Notebooks, pp. 319–28). In 1839, these lists were copied and continued in separate notebooks. The first of these reading notebooks (DAR 119…

Matches: 4 hits

  • … reviews [Carlyle 1838–9] Nov 8 th  Murchison Silurian System [Murchison 1839].— References …
  • … 11a Barrande, Joachim. 1852–1911.  Système silurian du centre de   la Bohême . 29 pts. …
  • … 22a ——. 1848b. On the  Cystideæ  of the Silurian rocks of the British Islands.  Memoirs …
  • … 180; 128: 5 Murchison, Roderick Impey. 1839.  The Silurian system,   founded on …

Darwin and religion in America

Summary

Thomas Dixon, 'America’s Difficulty with Darwin', History Today (2009), reproduced by permission.  Darwin has not been forgotten. But he has, in some respects, been misremembered. That has certainly been true when it comes to the relationship…

Matches: 1 hits

  • … some few beings which lived long before the first bed of the Silurian system was deposited, they …

Race, Civilization, and Progress

Summary

Darwin's first reflections on human progress were prompted by his experiences in the slave-owning colony of Brazil, and by his encounters with the Yahgan peoples of Tierra del Fuego. Harsh conditions, privation, poor climate, bondage and servitude,…

Matches: 1 hits

  • … of life occurred, might remain unaltered from long before Silurian age to present day. I grant there …

Essay: Natural selection & natural theology

Summary

—by Asa Gray NATURAL SELECTION NOT INCONSISTENT WITH NATURAL THEOLOGY. Atlantic Monthly for July, August, and October, 1860, reprinted in 1861. I Novelties are enticing to most people; to us they are simply annoying. We cling to a long-accepted…

Matches: 1 hits

  • … some few beings which lived long before the first bed of the Silurian system was deposited.’ But, as …