Engraving showing the American trick-horse 'Black Eagle' performing at Howes and Cushing's 'Great United States Circus' at the Alhambra, Leicester Square, London, 1858. The audience shown, on the left of the picture, included Queen Victoria and Prince Albert and many of the young princes and princesses of Great Britain. The performer standing in the ring, directing 'Black Eagle', was John H. Murray.