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Riedel, J. G. F. in correspondent 
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From:
Johan Gerard Friedrich Riedel
To:
Charles Robert Darwin
Date:
30 June 1875
Source of text:
DAR 176: 155
Summary:

Pigmentation of Celebesians’ skin changes from birth onward. Passes through some of Paul Broca’s types.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Johan Gerard Friedrich Riedel
Date:
24 Sept 1875
Source of text:
Ernst-Haeckel-Haus (Brief-ID 11494)
Summary:

Thinks JGFR should send report of coloured spots on infants’ buttocks to some ethnological society.

Contributor:
Darwin Correspondence Project
From:
Johan Gerard Friedrich Riedel
To:
Charles Robert Darwin
Date:
10 Mar 1877
Source of text:
DAR 176: 156
Summary:

Asks CD to publish in Nature JGFR’s observation that natives of Hainan have movable tail bones up to 4 cm long.

Contributor:
Darwin Correspondence Project