ON the 26th of July 1864 a magnificent yacht was steaming along the North Channel at full speed with a strong breeze blowing from the N. E. The Un-ion Jack was f lying at the mizzen-mast and a blue standard bearing the initials E. G. embroidered in gold and surmounted by a ducal coronet floated from the topgallant head of the main-mast. The name of the yacht was the DUNCAN and the owner was Lord Glenarvan one of the sixteen Scotch peers who sit in the Upper House and the most dis-tinguished member of the Royal Thames Yacht Club so famous throughout the United Kingdom.