Referee's report by Charles Scott Sherrington, on a paper 'Two cases of trichromic vision' by F W Edridge-Green Sectional Committee: not stated. Has read and herewith returns Edridge-Green's paper [not attached] and though he does not feel that he fully appreciates the discussed point, he can see no objection to its appearance in Proceedings. He presumes that Professor J J Thomson and the other gentleman mentioned in the note have been consulted by the author and sanction the citation of their personal evidence. [Published in Proceedings of the Royal Society B, 1905]. Endorsed on recto as received 14 February 1905. 12 February 1905