In the saloon bar of a public-house, situated only a few hundred yards from the official frontier of Chinatown, two men sat at a small table in a corner, engaged in earnest conversation. They afforded a sharp contrast. One was a thick-set and rather ruffianly looking fellow, not too cleanly in either person or clothing, and, amongst other evidences that at one time he had known the prize ring, possessing a badly broken nose. His companion was dressed...