Referee's report by William Bate Hardy, on a paper 'The existence of centrosomes and the other structures in the red blood corpuscles of vertebrates' by Ronald Ross, J E S Moore and C E Walker Sectional Committee: Physiology Not recommended for publication in the 'Proceedings of the Royal Society of London'. Considered of insufficient importance. If published, the description of the method should be be shortened or omitted. [Not published] Endorsed on verso as received 6 December 1906. [December 1906]