Copy letter from Herbert Rix, to Henry Coates, President of the Perthshire Society of Natural Science, Perthshire Natural History Museum, Tay Street, Perth, N.B. 'Sir, I am instructed by Lord Rayleigh to acknowledge receipt of your letter of the 25th February, which shall be laid before the proper Committee when they next meet in conjunction with your letter of the 7th. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 6 March 1896