A fact on expression: sheep do use hoofs in fighting.
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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.
A fact on expression: sheep do use hoofs in fighting.
Praises Expression.
Reports on Fritz Müller’s observations of cross- and self-fertilisation. HM will cultivate the two forms [i.e., mainly self-fertilised and mainly cross-fertilised] in the way CD has described.
He continues his observation of wild flowers. Encloses drawing of Viola tricolor with notes on its self-fertility.
Sends corrections of Descent and Expression.
FD has asked J. B. Sanderson about Mucin.
CD’s nomination to French Academy fails again.
Notes referring to passages in Expression [annotated in places by Francis Darwin, presumably when preparing 2d ed.].
Describes some behaviour in herring gulls similar to that of sheldrakes as described by CD in Expression [pp. 47–8].
Discusses his health following a visit to Dr C[lark?]. Has made an appointment for CD.
Praise for and detailed comments on Expression.
Two cases of coloration in animals – one from sexual selection, the other helping to procure prey [see Descent, 2d ed., pp. 542–3].
Thanks for reference to Hermann Müller’s book on fertilisation [Befruchtung der Blumen (1873)].
Notes on CD’s Expression.
Notes headed "Observations on the expression of the emotions".
Has read Expression, and assures CD some people cry when happy.
Offers different explanations [from CD’s in Expression] for movements of dogs after voiding, and for their turning around before lying down.
CD is also wrong in saying hares do not cry except when they suffer.
Translation of some of his annotations in Dutch edition of Expression.
Klein says water ought to be changed daily. Asks to tell G Revalenta shop shut. Klein reports discovery about toads’ ova does not bear on pangenesis.
Has sent Vichy water, discusses prescription. Tell Arthur Parslow not to continue on colchicum for gout if doesn’t suit him. May go to Pryor’s on Sunday.
On expression among Kaffirs and Hottentots.
Reports that the ability to move ears is common among the Sioux.
On a humming-bird Sphinx moth which tried to extract nectar from flowers on wallpaper. [See Descent, 2d ed., p. 317.]