Referee's report by Walter Noel Hartley, on two papers 'On the photographic arc spectrum of electrolytic iron' and 'On the photographic arc spectrum of iron meteorites' by Joseph Norman Lockyer First paper - Recommended for publication in the Proceedings of the Royal Society of London. Refers to work of Thalin, Kaiser, Runge and Rowland. Gives criticism of the method and interpretation of the results. Subject: Physics and Chemistry [Published in the Philosophical Transactions of the Royal Society, 1894] Second paper - Recommended for publication in the 'Philosophical Transactions of the Royal Society'. The principal lines should be indicated. Subject: Physics and Chemistry [Published in the Philosophical Transactions of the Royal Society, 1894] 25 January 1894