Copy letter from Herbert Rix, to William Turner Thiselton-Dyer Upon referring to the Royal Society's list of medals Rix finds that a medal of the Gray's was given not long since to supply the lack which the Treasurer, John Evans, had noted. They can use Dyer's medal to show the reverse, if Dyer does not want it at all, but Rix thought it right to let Dyer know it is a duplicate. 9 January 1891