Referee's report by George Downing Liveing, on two papers 'Flame spectra at high temperatures.— Part II. The spectrum of metallic manganese, of alloys of manganese, and of compounds containing that element' and 'Flame spectra at high temperatures.—Part III. The spectroscopic phenomena and thermo-chemistry the bessemer process' by Walter Noel Hartley Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Suggests an anomaly in one photograph might be due to solar light, and suggests a confirmatory experiment. Subject: Physics and Chemistry [Both papers published in the Philosophical Transactions of the Royal Society, 1894] 13 June 1894