To J. J. Weir   31 July [1872]1

Down, Beckenham, Kent.

July 31

My dear Sir

Many thanks for the case which is quite new to me and a surprising one.2 I am not very well, so will write no more.

yours very sincerely | Ch. Darwin.

The year is established by the relationship between this letter and the letter from J. J. Weir, 31 July 1872.

Please cite as “DCP-LETT-8441,” in Ɛpsilon: The Charles Darwin Collection accessed on 5 June 2025, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-8441