Letter from Sn.Van Tiegherny, Institut de France, Acadèmie des Sciences, to [Joseph Lister], President of The Royal Society Acknowledges receipt of previous correspondence relating to the Royal Society's request for the Academy of Sciences' preliminary agreement on an organised project among various academies. Apologises for a delayed response, attributing it to the need for consultation with their administrative committee regarding financial implications. States that the matter has been under the examination of a special commission since the receipt of the communication. 18 January 1899