Referee's report by Robert Whytlaw-Gray, on a paper 'The formation and constitution of crystals of lead salts containing water-soluble colloid' by F D Miles Sectional committee: Chemistry Recommended for publication in Philosophical Transactions. The paper could be shortened. The research has brought some important evidence to light. [Published in Philosophical Transactions A, 1935]. Endorsed on verso as received 20 March 1935. March 1935