CHAPTER XVIII

"HE HAS GONE TO THE EMPEROR!" The Ambassador, when he left Mr. Sabin's house, stepped into a hired hansom and drove off towards Arlington Street. A young man who had watched him come out, from the other side of the way, walked swiftly to the corner of the street and stepped into a private brougham which was waiting there. "To the Embassy," he said. "Drive fast!" The carriage set him down in a few minutes at the house to which Densham and Harcutt had followed Mr. Sabin on the night of their first meeting with him. H…