Referee's report by William Mitchinson Hicks, on a paper 'On the series lines in the arc spectrum of Mercury' by John Cunningham McLennan Sectional Committee: Physics and Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests omitting some or all of the tables. [Published in the 'Proceedings of the Royal Society of London', 1912] No received date. nd [1912]