Copy letter from Herbert Rix, to Dr W A Conklin, Editor, Journal Comparative Medicine, Central Park Menagerie, 64th Street, New York 'Dear Sir, Adverting to your letter of April 1st 1888, I have to inform you that it was laid, with the specimen of your journal, before the Library Committee at their last meeting. I regret to say that they are not able to accept your offer of exchange of publications. I am, your obedient servant, Herbert Rix Asst. Sec. RS [Assistant Secretary, Royal Society]'. 27 July 1888