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Blair, R. H. in author 
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From:
Robert Hugh Blair
To:
Charles Robert Darwin
Date:
16 Mar 1871
Source of text:
DAR 160: 195
Summary:

Will be pleased to collect information on the blind for CD when time allows. Generally very few (about one quarter) of blind people entering institutions are born blind.

Contributor:
Darwin Correspondence Project
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From:
Robert Hugh Blair
To:
Charles Robert Darwin
Date:
11 July 1871
Source of text:
DAR 160: 196
Summary:

Reports observations on expression in the blind; facial contortions and blushing.

Contributor:
Darwin Correspondence Project
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From:
Robert Hugh Blair
To:
Charles Robert Darwin
Date:
9 Nov 1872
Source of text:
DAR 160: 197
Summary:

Thanks for copy [of Expression].

Has now read Charles Bell’s book [Anatomy and philosophy of expression, 3d ed. (1844)].

Reports instance of person, blind from birth, frowning, when supposedly the blind cannot control the muscle required.

Contributor:
Darwin Correspondence Project
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