Copy letter from Herbert Rix, to F Smith, Army Veterinary Department 'Dear Sir, We have just received from your publishers a copy of your 'Manual of Veterinary Hygiene'. As this work is presumably presented by yourself we think it right to mention that we received a copy of it since. Shall we return the duplicate copy to yourself or to your publishers? Yours faithfully, H Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 11 December 1888