Response to letter about dedication of Malay Archipelago and several scientific papers.
Changes in 5th ed. of Origin.
Now feels individual differences of paramount importance. Fleeming Jenkin has convinced him about "single variations".
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Response to letter about dedication of Malay Archipelago and several scientific papers.
Changes in 5th ed. of Origin.
Now feels individual differences of paramount importance. Fleeming Jenkin has convinced him about "single variations".
CD expressed himself badly. F. Jenkin’s argument was against single variations ever being perpetuated.
Reception of ARW’s book, Malay Archipelago.
Comments on Wallace’s Malay Archipelago.
Hopes ARW has not "murdered too completely your own and my child" [natural selection] in his Quarterly Review article ["Sir Charles Lyell on geological climates and the Origin", 126 (1869): 359–94] on Lyell’s Principles [10th ed.].
CD is attributing more significance to useless variability in new [5th] edition of Origin.
ARW’s review of 10th ed. of Lyell’s Principles [see 6684] is admirable.
But he differs "grievously" with ARW on man. CD sees no necessity for an additional and proximate cause.
On butterfly scales: there are many secondary characters which baffle conjecture.
Was forced to make additions to Origin as short as possible.
Anticipates that all their differences are fated to find expression in projected book on man.
Offers his early MS with useful references related to the distribution of animals. Hopes ARW’s book will not be "little".
Further comments on arrangements for German translation of their joint paper.
Dedication of Malay Archipelago to CD.
Comments on scientific papers.
Argues that [general variability] of species, not single variations or sports, is basis for modification and adaptation to new conditions.
Weir’s paper on relation of protection to colour of caterpillars [Trans. R. Entomol. Soc. Lond. (1869): 21–6; (1870): 337–9] confirms ARW’s hypothesis.
Comments on Fritz Müller’s book [Facts and arguments for Darwin].
Responds to CD’s corrections of his work [Malay Archipelago].
Plumage of birds of paradise.
Expands upon their differences in regard to man and the question of the existence of forces not yet recognised by science.
Asks whether sexual selection could produce the changing plumules or "battledore" scales on the wings of certain butterflies.
Looks forward to Descent, though he expects to find more to differ with than in any other of CD’s books.
Problems of usefulness of incipient organs and of the independent origin of similar complex organs are real difficulties.
Plans a little book on "Distribution of animals".
Inquires about arrangements for the German translation and publication of their original Linnean Society papers [Collected papers 2: 3–19].
ARW thinks he has hit upon a solution to problem of geological time.