From W. R. Greg   19 April [1871]1

Stationery Office

April 19.

My dear Mr. Darwin

Many thanks for thinking of my speculation.2 I will not ask you to send me the Paper you mention;3 but I have made a note of it, & will refer to it when I have again leisure to take up the subject.

Yours very sincerely | W. R. Greg

The year is established by the relationship between this letter and the letter to W. R. Greg, 21 March [1871].
Greg refers to Thury 1863 (see letter to W. R. Greg, 21 March [1871] and n. 6).

Please cite as “DCP-LETT-7701,” in Ɛpsilon: The Charles Darwin Collection accessed on 5 June 2025, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-7701