Encloses a cheque for £11.19.9. Will transmit £7.9.4 to Fritz Müller. Thanks for account of the sale of his books, which appears to be in a "lamentable state".
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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.
Encloses a cheque for £11.19.9. Will transmit £7.9.4 to Fritz Müller. Thanks for account of the sale of his books, which appears to be in a "lamentable state".
Wants Oxalis specimen named; is fascinated by cotyledonary movements of the genus.
Frank asked to summarise work with CD for use in JDH’s Royal Society address.
Work with A. Gray shows Colorado plants closer to Altai than to E. or W. America.
Work with J. Ball shows Moroccan plants very distinct from nearby Canaries.
JDH on Royal Commission to Paris Exhibition.
Before JDH discusses flora of Canary Islands CD suggests he read F. B. White’s paper [see 11707], which explains stocking of Atlantic island fauna as due to changed currents during [last, or Miocene] northern glacial period.
Thanks CD for writing machine.
Recalls visit by CD’s son [Francis].
Botanical evidence is against F. B. White’s origin of St Helena fauna. JDH holds flora is S. African. Since plants must arrive before insects, if fauna is Palearctic then flora survived glacial period. Flora not Miocene since old and relic orders are absent. Suggests S. African west coastal mountains as insects’ origin.
Forms of flowers, translated by Édouard Heckel, is published.
Cross and self-fertilisation has only sold 450–500 copies.
Origin sells regularly; he looks forward to a cheaper edition.
Forwards letter from Victor Kennedy reporting on the growth of JT’s potatoes in W. Ireland.
Recounts the experiments on Fechner’s law he has found in Helmholz; they are on the smallest perceptible differences of illumination. Describes how to test whether plants’ responses to lights are in accordance with it.
Thanks for CD’s remarks on and agreement with his paper on history of pollination theories [see 11678].
Will shortly send his essay on the anatomy of nectaries in flowers [see 12300].
Forwards letter from George Callwell reporting what a large and disease-free potato crop JT’s seed yields.
Did cats and dogs become pets because they are scrupulous in the discharge of their faeces? He has a pet parakeet whose behaviour supports this view.
EAS eagerly awaits the publication of CD’s work on heliotropism.
Sends him a paper on "Polyembryonie" [Jenaische Z. Med. & Naturwiss. 12 (1878): 647–70].
Rejoices that he should have "staggered" William Thomson so quickly and that the latter should speak of GHD’s "discovery". The internal heat [of the earth] will please geologists and evolutionists.
Plans to produce a translation of Weismann’s Studien zur Descendenz-Theorie [1875–6] and would welcome a preface from CD.