Referee's report by Charles Robert Harington, on a paper 'Haemocuprein and hepatocuprein, copper-protein compounds of blood and liver in mammals' by T Mann and David Keilin Sectional committee: Physiology Recommended for publication in Proceedings. It is an important paper that doesn't require abbreviation. The English requires some attention. A brief reference to the work of Bhagvat and Richter should be added. [Published in Proceedings of the Royal Society B, 1938]. Endorsed on verso as received 7 September 1938. September 1938