Long before the westward march of Americans had brought their flag to the Pacific, that ocean was familiar to their mariners. >From Cape Horn to Canton and the ports of India, there ploughed the stately merchantmen of Salem, Providence, and Newburyport, exchanging furs and ginseng for teas, silks, the "Canton blue" which is today so cherished a link with the past, and for the lacquer cabinets and carved ivory which give distinction to many a New England home.