To Emil Ertl   [31 October 1877]1

[…] I have pleasure in sending you my signature, as you request.—2 I wish you all success in your scientific studies & career [...]

The letter is described in the catalogue as sent from Down on 31 October 1877.
Ertl’s letter requesting CD’s autograph has not been found.
The original letter is complete and is described in the sale catalogue as being one page long.

Please cite as “DCP-LETT-11217A,” in Ɛpsilon: The Charles Darwin Collection accessed on 5 June 2025, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-11217A