By particular desire. Amphitheatre-Royal, Peter-Street : This present Tuesday, December 16th, 1800. Extraordinary equestrian feats, by the whole troop of horsemen, particularly, a trial of Skill; or, The rival clowns. Miss Simonet will also make her appearance on horseback. And, fourth time this season, the wonderful performances of the learned horse and infant ponies after which, an entire new grand spectacle, performed with universal applause in London, called. The maid of Portugal or, An auto da fee.