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Riedel, J. G. F. in author 
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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:
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