Referee's report by Alfred William Porter, on a paper 'Ionic size in relation to molecular physics, together with a new law relating to the heats of formation of solid, liquid, and ionic molecules' by William Robert Bousfield Sectional Committee: Physics and Chemistry Recommended for publication in the 'Philosophical Transactions of the Royal Society'. The results and conclusions are doubtful but would be valuable for future researches in the subject. [Published in the 'Proceedings of the Royal Society of London', 1913] Endorsed on verso as received 12 November 1912. [November 1912]