Copy letter from Herbert Rix, to G P Grace, 160 The Grove, Camberwell, S.E. 'Dear Sir, I am instructed by the Secretaries to inform you that by the regulations of the Royal Society, no paper can be submitted to that body which does not come endorsed by the name of a Fellow of the Society as suitable for reading at once of their meetings. I am accordingly instructed to return your manuscript, which you will find inclosed herewith. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 3 January 1894