Referee's report by John Dalrymple, on a paper 'The human iris; its structure and physiology' by Bernard E Brodhurst Not recommended for publication in the 'Philosophical Transactions of the Royal Society'. The paper does not contain any new information, although the research into the effects of chloroform on the eye is considered interesting. Subject: Physiology [Published in the 'Proceedings of the Royal Society of London'] 8 September 1851