Copy letter from Herbert Rix, to Admiral Sir Francis Leopold McClinktock, Fellow of the Royal Society 'Dear Sir Leopold, You are entitled to five years past of the "Philosophical Transactions [of the Royal Society]"; all before that date are forfeited by lapse of time. We are forwarding them by Parcels Delivery Co. to your address. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 12 July 1894