To J. M. F. Ludlow   18 May [1875 or 1880]

Letter and/or further information available at https://www.darwinproject.ac.uk/letter/?docId=letters/DCP-LETT-9983.xml.

Also published in The Correspondence of Charles Darwin, vol. 30-Supplement.

Please cite as “DCP-LETT-9983,” in Ɛpsilon: The Charles Darwin Collection accessed on 27 April 2024, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-9983