"You are most perfectly welcome to Fragmenta [F. J. H. von Mueller Fragmenta phytographiae Australiae (1858–64)], & I shall be delighted if they are of the slightest use to you."
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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.
"You are most perfectly welcome to Fragmenta [F. J. H. von Mueller Fragmenta phytographiae Australiae (1858–64)], & I shall be delighted if they are of the slightest use to you."
Thanks SN for the trouble he has taken for him [on Lapland reindeer horns].
Asks JVC to ascertain the age at which merino rams develop horns, and whether they grow faster or more slowly than in other breeds of sheep in which both sexes have horns.
Asks how JVC’s translation [of Variation] has sold.
Discusses the development of horns in reindeer and other deer.
Apologises for having kept JC’s book so long; would like to keep it about ten days more.
Sends MS of 13 pages in answer to Nägeli, for new edition of Origin [5th ed., p. 151].
Thanks GM for offer of observations. Would be interested to know when the horns of merino rams first appear,
and has long wished for living specimens of Drosophyllum.
Finds JDH’s comments of utmost value. Answers some questions, and asks new ones. Transmission of variations. Relation of uniformity of structure to natural selection.
Describes Drosophyllum and its habitat.
Thanks for copy of MS’s book [On molecular and microscopic science, (1869)]. Part on orchids is an excellent summary.
Discusses fertilisation of Aucuba and Polygala.
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".
No paradox that unimportant characters are important systematically. This view removes heavy burden from CD’s shoulders. Relief that JDH does not object.
Thanks JO for intending to dedicate his The Andes and the Amazon to him.
The discovery of marine shells high up the Amazons CD finds extremely interesting.
Has heard that book by Alphonse M[ilne]-Edwards [? Recherches anatomiques et paléontologiques, 4 vols. (1867–71)] is excellent.
Asks when horns appear on young male fallow deer.
Thanks JP for his book Vesuvius [1869].
Thanks CC for two memoirs [see 6575. The other was possibly "Die Cypris-ähnliche Larve der Cirripedien", Schr. Ges. Beförd Naturw. Marburg (1869)].
Haeckel is too enthusiastic and too bold in drawing conclusions.
CD sees no reason to add to what he says on isolation, in new edition of Origin.
Lists specimens he has available for CC’s intended study of metamorphoses of Lepas.
Returns book with thanks. "Joyfully accepts" idea of the warming of Southern Hemisphere during glacial period in the Northern. Lyell is unwilling.
Mentions H. N. Moseley’s study of descent of glaciers [Proc. R. Soc. Lond. 17 (1869): 202–8].
CD greatly troubled by problem of age of the earth and calculations of Sir William Thomson. Asks about changes in the form of the globe.