Copy letter from Herbert Rix, to J D Mullins, Chief Librarian, Central Free Library, Birmingham Mullins can obtain the two volumes of the catalogue at Fellow's price through any Fellow of the Royal Society who has not already had a copy. If this is not possible or convenient, Rix can obtain a reduction by ordering the volumes direct from Clay & Sons, Ave Maria Lane E.C. They sell volumes seven and eight together for £2-5-0 half-morocco or £1-11-6 in cloth. 8 December 1890