Copy letter from Herbert Rix, to Professor Micaiah John Muller Hill, Fellow of the Royal Society, 27 Parliament Hill Road, Hampstead, N.W. 'Dear Sir, Your paper has now been finished and in the printers' hands for nearly a month; I should think, therefore, that you will have it very shortly. I am sending a reminder to the printers. Yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 6 July 1894