From J. L. H. Down   20 December 1873

Summary

Describes an ear from a microcephalous idiot, which does not lend support to Ludwig Mayer’s view [that points on ears are mere variations; see Descent, 2d ed., pp. 15–16].

Is working on involution rather than evolution, with results confirming CD’s teaching.

Letter details

Record number

DCP-LETT-9188

From

John Langdon Haydon Down

To

Charles Robert Darwin

Date

20 Dec 1873

Sent from

London, Welbeck St, 39

Source of text

DAR 87: 61–2

Physical description

4pp †

Contributor

Darwin Correspondence Project[View Ɛpsilon collection]

Also published in The Correspondence of Charles Darwin, vol. 21.

• Darwin, C. R.
• Down, J. L. H.