Referee's report by William Bate Hardy, on a paper 'The electric charge of the colloid particles of protoplasm' by B Sen Sectional Committee: Physiology Not recommended for publication in the 'Proceedings of the Royal Society of London'. Finds much to criticise in the work, although finds this unpleasant. Suggests Eric Keightley Rideal be asked for an opinion. [Not published] Endorsed on verso as received 7 February 1933. [February 1933]