Referee's report by Harry Work Melville, on a paper 'Flame propagation in mixtures of combustible gases. II. Some properties of mixtures of hydrogen, organic substances and air at their upper limits of inflammability' by G Dixon Lewis and J W Linnett Sectional committee: Chemistry Paper reference code: A41 Recommended for publication in the Proceedings. Melville remarks there are too many figures accompanying the paper, and suggests conveying the same information on a smaller number of diagrams. [Published in Proceedings A, 1951]. Date received not given. 26 February 1951