Referee's report by John Charles Grant Ledingham, on a paper 'The vital staining of normal and malignant cells.-II. The staining of malignant tumours with trypan blue' by Reginald James Ludford Sectional committee: Physiology Recommended for publication in Proceedings. Modifications are needed prior to publication. [Published in Proceedings of the Royal Society B, 1929]. Endorsed on verso as received 16 January 1929. January 1929