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To Gerhard Rohlfs   8 June 1871

Summary

Thanks GR, who made one of the most wonderful expeditions on record, for some notes which he will consider if he ever has to prepare a new edition [of Descent].

Author:  Charles Robert Darwin
Addressee:  Gerhard Friedrich (Gerhard) Rohlfs
Date:  8 June 1871
Classmark:  Universitätsbibliothek Basel, Handschriften (Allgemeine Autographensammlung, D)
Letter no:  DCP-LETT-7810

From Gerhard Rohlfs   6 June 1871

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Summary

Various observations from his experience in Africa relevant to Descent.

Fertility of hybrids of blacks and whites.

Protective coloration of Sahara animals.

Natives’ ideas of female beauty.

Author:  Gerhard Friedrich (Gerhard) Rohlfs
Addressee:  Charles Robert Darwin
Date:  6 June 1871
Classmark:  DAR 89: 183–4
Letter no:  DCP-LETT-7805
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letter (2)
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Darwin, C. R.disabled_by_default
Rohlfs, Gerharddisabled_by_default