Referee's report by Sydney Goldstein, on a paper 'Some cases of the steady two-dimensional percolation of water through ground' by B Davison and Louis Rosenhead Sectional Committee: Mathematics Recommended for publication in the 'Proceedings of the Royal Society of London'. However, is not familiar with the type of problem, the literature or application. Suggests submitting the paper to another referee with more familiarity with the subject. Suggests an amendment to an equation. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 24 January 1940. [January 1940]