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Blair, R. H. in correspondent [X]
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To R. H. Blair   [before 16 March 1871]


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.

Author:  Charles Robert Darwin
Addressee:  Robert Hugh Blair
Date:  [before 16 Mar 1871]
Classmark:  DAR 96: 100
Letter no:  DCP-LETT-7588

From R. H. Blair   16 March 1871


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.

Author:  Robert Hugh Blair
Addressee:  Charles Robert Darwin
Date:  16 Mar 1871
Classmark:  DAR 160: 195
Letter no:  DCP-LETT-7590

From R. H. Blair   11 July 1871


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

Author:  Robert Hugh Blair
Addressee:  Charles Robert Darwin
Date:  11 July 1871
Classmark:  DAR 160: 196
Letter no:  DCP-LETT-7857

From R. H. Blair   9 November 1872


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.

Author:  Robert Hugh Blair
Addressee:  Charles Robert Darwin
Date:  9 Nov 1872
Classmark:  DAR 160: 197
Letter no:  DCP-LETT-8615
Document type
letter (4)
Blair, R. H.[X]
Darwin, C. R.[X]
1871 (3)
1872 (1)