Papers relating to transactions with the Royal Society, including correspondence with its members. The material includes pamphlets from the British Telegraph Manufactory; lists of candidates for, and members of, the Royal Society; a printed list of foreign men of science; printed and manuscript copies of the President's address of 1 December 1873; a newspaper cutting on Professor Williamson's lecture on 'the origin of species'; a newspaper cutting on Leigh Smith's Arctic voyage; a newspaper cutting on the surveying voyage of the Challenger; and printed papers on the Royal Society Medals.