Autograph Letter Signed ‘Cathcart’ as Commander of the Forces in Scotland, discussing the inadequate veterinary inspections and the cases of glandered horses as Haddington Barracks, indicating the correct procedures to be followed. 1 page 9 x 7 inches, with one line and signature overleaf, integral blank leaf, in good condition. 15 March 1811. General Lord Cathcart (1755-1843), soldier and diplomat. Cathcart fought in the American War, notably at the storming of Forts Clinton and Montgomery (1777) and the Battle of Monmouth Court House, and was appointed major-commandant of loyalist Scots in America, called the Caledonian Volunteers. He then reverted to the British legion, which he commanded at the Siege of Charleston. Later he distinguished himself at the Battle of Buren (1795) in the Netherlands, the bombardment of Copenhagen (1807), and as ambassador to Russia.