buildings where I knew I was certain to be able to instantly get another drosky.
I flung the man his money, alighted, and two minutes later was driving on towards the Alexander Bridge, travelling in a circle back to the hotel. Time after time I glanced behind, but saw nothing of the Baron's spy, who had evidently gone to the station with all speed, expecting that I was leaving the capital.
I found Elma in her room, ready dressed to go out, wearing a long travelling-cloak, and in her hand was a small dressing-case. She was pale and full of anxiety until I showed her the slip of paper which Otto Kampf had given me with the address written upon it, and then together we hurried forth.
The house to which we drove was, we discovered, a large one facing the Fontanka Canal, one of the best quarters of the town, and on descending I asked the liveried dvornick for Madame Zurloff, the name which "The Red Priest" had written.
"You mean the Princess Zurloff," remarked the man through his red beard. "Whom shall I say desires to see her?"
"Take that," I said, handing to him the piece of paper which, beside the address, bore a curious cipher-mark like three triangles joined.
He closed the door, leaving us in the wide carpeted hall, the statuary in which showed us that it was a richly-furnished place, and when a few minutes later he returned, he or ducted us upstairs to a fine gilded salon, where an elderly grey-haired lady in black stood gravely to receive us.