which was slightly alleviated by the reflected light from a distant street flare which shone intermittently through the narrow windows fronting the thoroughfare. Finally, assured that the apartment was unoccupied, Tarzan sought for a stairway to the ground floor. This he found in a dark hallway upon which the room opened—a flight of narrow stone steps leading downward toward the street. Chance favored him so that he reached the shadows of the arcade without encountering any of the inmates of the house.
Once on the street he was not at a loss as to the direction which he wished to go for he had tracked the two Europeans practically to the gate, which he felt assured must have given them entry to the city. His keen sense of direction and location made it possible for him to judge with considerable accuracy the point within the city where he might hope to pick up the spoor of those whom he sought.
The first need, however, was to discover a street paralleling the northern wall along which he could make his way in the direction of the gate he had seen from the forest. Realizing that his greatest hope of success lay in the boldness of his operations he moved off in the direction of the nearest street flare without making any other attempt at concealment than keeping in the shadows of the arcade, which he judged would draw no particular attention to him in that he saw other pedestrians doing likewise. The few he passed gave him no heed, and he had almost reached the nearest intersection when
