Referee's report by Alfred Joseph Clark, on a paper 'Further studies on the pharmacological properties of onium salts' by Harry Raymond Ing and Winifred M Wright Sectional Committee: Physiology Recommended for publication in the 'Proceedings of the Royal Society of London'. The paper cannot be reduced without loss. The paper is valuable as it provides accurate records of systematic investigations. [Published in the 'Proceedings of the Royal Society of London' B, 1933] Endorsed on verso as received 21 July 1933. [July 1933]