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Darwin in letters, 1869: Forward on all fronts

Summary

At the start of 1869, Darwin was hard at work making changes and additions for a fifth edition of  Origin. He may have resented the interruption to his work on sexual selection and human evolution, but he spent forty-six days on the task. Much of the…

Matches: 9 hits

  • and letter from A. R. Wallace, 30 January 1869 ). James Croll, ice ages, and the age of
  • result of correspondence between Darwin and the geologist James Croll. In the previous year, Croll
  • is strengthened by the facts in distribution’ ( letter to James Croll, 31 January [1869] ). Darwin
  • for his theory ( Origin  4th ed., pp. 4501). Crolls theory, simply stated, proposed that ice
  • Darwin accounted for the survival of tropical species using Crolls theory. In the same
  • period  before  the Cambrian formation’ ( letter to James Croll31 January [1869] ). Croll
  • by, but dont think we have got that yet’ ( letter from James Croll, 4 February 1869 ).  …
  • from Asa Gray and J. L. Gray, 8 and 9 May [1869] ). James Crichton-Browne and mental
  • in medical asylums. Maudsley forwarded Darwins queries to James Crichton-Browne, the director of

Rewriting Origin - the later editions

Summary

For such an iconic work, the text of Origin was far from static. It was a living thing that Darwin continued to shape for the rest of his life, refining his ‘one long argument’ through a further five English editions.  Many of his changes were made in…

Matches: 3 hits

  • … , and the age of the earth , with the Scottish geologist James Croll entering the roll-call of
  • dieThomas Henry Huxley, 28 September 1871   Geographical
  • … (pp4501), but for the fifth edition was able to use James Crolls theory of ice ages to explain