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1870-1879::1871 in date 
Blair, R. H. in correspondent 
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DCP-LETT-7588

From:
Charles Robert Darwin
To:
Robert Hugh Blair
Date:
[before 16 Mar 1871]
Source of text:
DAR 96: 100
Summary:

Thanks RHB for information on expression in the blind.

Sends queries on expression and asks whether he could answer them with respect to those born blind.

Contributor:
Darwin Correspondence Project
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DCP-LETT-7590

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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DCP-LETT-7857

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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