Copy letter from Herbert Rix, to the Editor of "Athenaeum", 22 Took's Court 'Dear Mr McColl, Here is a duplicate copy of our Proceedings ['Proceedings of the Royal Society'] on the 19th ult. [ultimate]. I hope you will be able to put it in its place before the meeting of the 26th so that our record may be complete. Yours truly Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 2 December 1891