Referee's report by George Howard Darwin, on a paper 'On the photographic spectra of some of the brighter stars' by Joseph Norman Lockyer Recommended for publication in Philosophical Transactions. Even if the hypothesis is right or wrong, it serves as a basis for the coordination of facts and the author has undertaken an enormous amount of work on a difficult subject. Subject: Physics [Published in Philosophical Transactions A, 1893]. 13 January 1893