Response by Michael Faraday to referee's report by Humphrey Lloyd, on a paper 'On induced and other magnetic forces' by William Snow Harris Disagrees with the opinion of Humphrey Lloyd, refers to current work by John Tyndall and others. Suggests the author should be made aware of Humphrey Lloyd's letter, so as to make any modifications which might be required. Subject: Physics and Chemistry [Published in the 'Proceedings of the Royal Society of London'] 13 January 1852