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Darwin Correspondence Project

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Darwin Correspondence Project
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1868::04::20 in date [X]
1868::04::20 in date [X]
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From J. J. Weir   20 April 1868

Summary

Instinct in birds; nest-building.

Inheritance of acquired characters.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  20 Apr 1868
Classmark:  DAR 181: 76
Letter no:  DCP-LETT-6130

From Henry Holland   20 April [1868]

Summary

Sends CD a copy of a book he has had printed mainly for the interest of his children and grandchildren [later published as Recollections of past life (1872)].

Author:  Henry Holland
Addressee:  Charles Robert Darwin
Date:  20 Apr [1868]
Classmark:  DAR 166: 250
Letter no:  DCP-LETT-6131

From H. W. Bates   20 April 1868

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Summary

In addition to the drawing of a caterpillar which CD intends to use,

HWB sends information on differences of colour and pattern between the sexes of species of Papilio.

Argynnis diana and A. sagana have females that are brightly coloured, but these may be cases of protective mimicry.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  20 Apr 1868
Classmark:  DAR 82: A42–3
Letter no:  DCP-LETT-6132

From John Hellins   20 April 1868

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Summary

Gives the evidence on which he relied for his view, which CD thinks is erroneous, of proportion of sexes in Lepidoptera.

Author:  John Hellins
Addressee:  Charles Robert Darwin
Date:  20 Apr 1868
Classmark:  DAR 85: B71–75, B79–82
Letter no:  DCP-LETT-6133
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St George Jackson Mivart

Summary

In the second half of 1874, Darwin’s peace was disturbed by an anonymous article in the Quarterly Review suggesting that his son George was opposed to the institution of marriage and in favour of ‘unrestrained licentiousness’. Darwin suspected, correctly,…

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  • … hope’ for certain preliminary restrictions, and that (p. 420) ‘we can only make a really successful …