Referee's report by Walter Norman Haworth, on a paper 'Physico-chemical studies of complex organic molecules. Part IV. The oxidation of ascorbic acid by air' by Frank Phillip Bowden, S D D Morris and W L Francis Sectional committee: Physiology Not recommended for publication. He is not impressed with the wuthor's experimental methods or the way in which they present their results. Thee are too many figures and graphs, which should be replaced with tables of numerical results.The first part of the title is inacurrate. The paper would be better submitted to the Biochemical Society [Not published]. Endorsed on verso as received 31 May 1934. May 1934