To ?   11 June [1861–8]1

Down. | Bromley. | Kent. S.E.

June 11th

My dear Sir

I am very much obliged for your kind invitation, which I am extremely sorry to say that the state of my health renders it impossible for me to accept.—

My dear Sir | yours very faithfully | Charles Darwin

The date is established by the headed notepaper, which is of a sort that CD used between May 1861 and April 1869.

Please cite as “DCP-LETT-3179F,” in Ɛpsilon: The Charles Darwin Collection accessed on 5 June 2025, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-3179F