To ?   [1872 or later?]

Summary

Queries about the pitch of children’s crying.

Letter details

Record number

DCP-LETT-8135F

From

Charles Robert Darwin

To

Unidentified

Date

[1872 or later?]

Source of text

The British Library (Surrogate RP 8051)

Physical description

1p photocopy, inc

Contributor

Darwin Correspondence Project[View Ɛpsilon collection]

Also published in The Correspondence of Charles Darwin, vol. 20-Supplement-Expression, vol. 30-Supplement.

• Darwin, C. R.
• Unidentified