From J. D. Hooker   6 and 7 April 1850

Letter and/or further information available at https://www.darwinproject.ac.uk/letter/?docId=letters/DCP-LETT-1319.xml.

Also published in The Correspondence of Charles Darwin, vol. 4.

Please cite as “DCP-LETT-1319,” in Ɛpsilon: The Charles Darwin Collection accessed on 29 March 2024, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-1319