Letter and/or further information available at https://www.darwinproject.ac.uk/letter/?docId=letters/DCP-LETT-47.xml.
Also published in The Correspondence of Charles Darwin, vol. 1.
Please cite as “DCP-LETT-47,” in Ɛpsilon: The Charles Darwin Collection accessed on 4 December 2023, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-47