Copy letter from Herbert Rix, to A B MacDowall, Gadebridge, Coolhurst Road, Crouch End, N. 'Dear Sir, Your communication of the 18th ult. [ultimate] has been laid before the Secretaries, and I am instructed by them to explain to you that no communication can be brought before the Royal Society which is not endorsed by the name of a Fellow of the Society as suitable for reading at one of their meetings. I am, yours faithfully, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 1 December 1893