Copy letter from an unknown correspondent; to Professor [Sydney] Chapman, FRS Refers to the paper by J. E. Jones, 'On the velocity distribution function and on the stresses in a non-uniform rarefied monatomic gas', that Professor [Sydney] Chapman communicated to the Society. Explains that the [Mathematics] Committee agreed that the paper should be condensed by one quarter of its present length and asks Professor Chapmant to enquire with the author on this front. 27 January 1922