To J. E. Gray   9 April [1871]1

Down. | Beckenham | Kent. S.E.

Ap. 9th

My dear Gray

I had heard of, & given, the case of the difference in colour of the sexes of Lemur, but I was not at all aware of the great variability of the male & stability of the female.2 Therefore many thanks.

Yours very sincerely | Ch Darwin

The year is established by the relationship between this letter and the letter from J. E. Gray, 7 April 1871.

Manuscript Alterations and Comments

0.1 Beckenham] before del ‘Bromley.’

Please cite as “DCP-LETT-7670,” in Ɛpsilon: The Charles Darwin Collection accessed on 5 June 2025, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-7670