From G. J. Romanes   20 July 1875

Letter and/or further information available at https://www.darwinproject.ac.uk/letter/?docId=letters/DCP-LETT-10081.xml.

Also published in The Correspondence of Charles Darwin, vol. 23.

Please cite as “DCP-LETT-10081,” in Ɛpsilon: accessed on 28 April 2024, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-10081