Copy letter from S H [Samuel Hunter] Christie, Secretary of the Royal Society; to G A [Gideon Algernon] Mantell In regards to the printing a part of his papers. Explains that the objections will considerably delay the publication, although Chritie understands Mantell does not object to the proposed changes. Will send the plates to the engravers now with the understanding that Mantell wishes for them to be engraved on copper. 3 July 1846