Referee's report by Thomas Martin Lowry, on a paper 'The effect of long grinding on quartz (silver sand)' by Rames Chandra Ray Sectional Committee: Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. Refers to work by John Wade and Richard William Merriman in the Journal of the Chemical Society, a reference to which will suffice instead of a figure and description in the current paper. [Published in the 'Proceedings of the Royal Society of London' A, 1923] Endorsed on verso as received 23 August 1922. [August 1922]