Referee's report by Leslie Howarth, on a paper 'Similarity and self-preservation in isotropic turbulence' by Robert William Stewart and Albert Alan Townsend Sectional committee: Mathematics Paper reference code: A198 Recommended for publication in the Philosophical Transactions with Howarth's remarks: 'last two lines on p.9 repeated in p.10. [Published in Philosophical Transactions A, 1951]. Date received not given. 7 November 1950