Copy letter from Herbert Rix, to Professor Waymouth Reid, University College, Dundee, N.B. 'Dear Sir, We can only say one thing in answer to your note of 26th - The risk being so great, we must perforce[?] wait till Sept [September]: of course it means a months delay in publication, but it cannot be helped. Yours truly Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 28 July 1893