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Darwin Correspondence Project
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To Edward Wilson   20 February [1868]

Summary

Thanks EW for information [on expression] about Australians.

Author:  Charles Robert Darwin
Addressee:  Edward Wilson
Date:  20 Feb [1868]
Classmark:  Natural History Museum, General Special Collections (DC AL 1/9)
Letter no:  DCP-LETT-5899

From William Henty   20 February 1868

Summary

Has read CD’s inquiry about proportional numbers of males and females born to domestic animals [see 5863] and outlines his theory regarding the factors determining the sex of offspring.

Author:  William Henty
Addressee:  Charles Robert Darwin
Date:  20 Feb 1868
Classmark:  DAR 166: 181, 183
Letter no:  DCP-LETT-5900

From John Lubbock   20 February 1868

Summary

Found [Variation] full of interest. Has not yet made up his mind about Pangenesis; wants to hear what can be said against it.

Author:  John Lubbock, 4th baronet and 1st Baron Avebury
Addressee:  Charles Robert Darwin
Date:  20 Feb 1868
Classmark:  DAR 170: 63
Letter no:  DCP-LETT-5901

From Roland Trimen   20 February 1868

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Summary

Proportion of sexes in butterflies; discussion of subject at meeting of Entomological Society, London.

Attraction of males by female Lasiocampa quercus. [see Descent 1: 311–12.]

Author:  Roland Trimen
Addressee:  Charles Robert Darwin
Date:  20 Feb 1868
Classmark:  DAR 85: B59–60a
Letter no:  DCP-LETT-5902

From H. T. Stainton   20 February 1868

Summary

Sends a preliminary reply to CD’s query [5890]. Ten males to one female among captured micro-Lepidoptera. Six females to four or five males in those he has bred. HTS is aware this is diametrically opposed to information from [Alexander] Wallace and Bates, but the true proportion of sexes can only be ascertained by breeding.

Author:  Henry Tibbats Stainton
Addressee:  Charles Robert Darwin
Date:  20 Feb 1868
Classmark:  DAR 86: A6–7
Letter no:  DCP-LETT-5903

From John William Douglas   20 February 1868

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Summary

Notes on sexual differences in British Hemiptera.

Author:  John William Douglas
Addressee:  Charles Robert Darwin
Date:  20 Feb 1868
Classmark:  DAR 81: 87
Letter no:  DCP-LETT-5904

To James Shaw   20 February 1868

Summary

Is obliged for note on right-handedness. The subject is a very curious one, but CD has never attended to it and can give no additional facts.

Author:  Charles Robert Darwin
Addressee:  James Shaw
Date:  20 Feb 1868
Classmark:  Robert Wallace ed. 1899: lxi
Letter no:  DCP-LETT-5905
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Eaton

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'the Owen Constitution'

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  • … A close Shrewsbury friend gives news from back home of other friends and acquaintances. …