Referee's report by John Mellanby, on a paper 'Quantitative correlation of some observed variables in the parasympathetic submaxillary saliva of the cat' by G O Langstroth, D R McRae and G W Stavraky Sectional Committee: Physiology Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests areas of omission and condensation. [Published in the 'Proceedings of the Royal Society of London' as 'The secretion of protein material in the parasympathetic submaxillary saliva'] Endorsed on verso as received 4 May 1937. [May 1937]