Referee's report by Rober Whytlaw-Gray, on a paper 'Diffusion and flow of gases and vapours through micropores. III. Surface diffusion coefficients and activation energies' by P C Carman and F A Raal Sectional committee: Chemistry Paper reference code: A218 Recommended for publication in the Proceedings with Whytlaw-Gray's comments: 'See paper 216'. [Published in Proceedings A, 1951]. Date received not given. 18 December 1950