Referee's report by Arthur Mannering Tyndall, on a paper 'The formation of helium molecules. II' by F L Arnot and Marjorie B M'Ewen Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Requests clarification of some of the numbers regarding the ionisation chamber. Suggests omitting the description of the apparatus, and instead refer to the previous papers. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1939]