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Darwin Correspondence Project

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Darwin Correspondence Project
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1873::08::25 in date [X]
1873::08::25 in date [X]
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From Francis Darwin   [25 August 1873]

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Summary

Regrets that "our brush theory" is wrong.

Author:  Francis Darwin
Addressee:  Charles Robert Darwin
Date:  [25 Aug 1873]
Classmark:  DAR 77: 142–3
Letter no:  DCP-LETT-9016

From W. E. Darwin   [25 August 1873]

Summary

Experiments on Mimosa; effects of immersion.

Author:  William Erasmus Darwin
Addressee:  Charles Robert Darwin
Date:  [25 Aug 1873]
Classmark:  DAR 162: 107
Letter no:  DCP-LETT-9025

From Richard Strachey   25 August 1873

Summary

Reports that grapes are spoiled by rain at vintage time and that damaged grapes, whose "bloom" is not intact, are particularly susceptible.

Author:  Richard Strachey
Addressee:  Charles Robert Darwin
Date:  25 Aug 1873
Classmark:  DAR 177: 264
Letter no:  DCP-LETT-9026

From Theodor Gomperz   25 August 1873

Summary

Comments on Expression. Suggests solutions to some of CD’s unresolved problems. Widens the "Principle of Association", whereby gestures associated with one emotion can also come to accompany a second emotion. Confirms the occurrence of blushing in the dark. Considers CD’s use of the "principle of Conservation of Force"; outlines its larger applications.

Author:  Theodor Gomperz
Addressee:  Charles Robert Darwin
Date:  25 Aug 1873
Classmark:  DAR 165: 61
Letter no:  DCP-LETT-9027

From Hermann Müller   25 August 1873

Summary

Fritz Müller is now working on the Brazilian honey-bees (Melipona and Trigona).

HM thanks CD for fertilisation references.

Author:  Heinrich Ludwig Hermann (Hermann) Müller
Addressee:  Charles Robert Darwin
Date:  25 Aug 1873
Classmark:  DAR 171: 302
Letter no:  DCP-LETT-9028