have taken nerve to do the thing she did and to set out armed only with a pistol through the trackless waste that lay between them and the railway and beyond into the hills where Wilhelmstal lies.
Tarzan admired courage. He was big enough to admit it and admire it even in a German spy but he saw that in this case, it only added to her resourcefulness and made her all the more dangerous and the necessity for putting her out of the way paramount. He hoped to overtake her before she reached Wilhelmstal and so he set out at the swinging trot that he could hold for hours at a stretch without apparent fatigue.
That the girl could hope to reach the town on foot in less than two days seemed improbable, for it was a good thirty miles and part of it hilly. Even as the thought crossed his mind he heard the whistle of a locomotive to the east and knew that the railway was in operation again after a shutdown of several days. If the train was going south the girl would signal it if she had reached the right of way. His keen ears caught the whining of brake shoes on wheels and a few minutes later the signal blast for brakes off. The train had stopped and started again and, as it gained headway and greater distance, Tarzan could tell from the direction of the sound that it was moving south.
The ape-man followed the trail to the railway where it ended abruptly on the west side of the track showing that the girl had boarded the train, just as he thought. There was nothing now but to follow