Copy letter from Herbert Rix, to M E de Margerie, Archiviste-Bibliothecaire, Societe Geologique de France, 7 Rue des Grands-Augustins, Paris Rix, in response to Margerie's letter of 18 July, he states that they will gladly send copies of 'Proceedings of the Royal Society', number 321 or make good deficiencies, on the understanding that they will in return supply the missing numbers in the Royal Society's set of their publications. They have previously applied for these, but received no response. Rix lists the missing numbers of their Bulletin and Memoires. 20 July 1894