The Limited heeled sharply as it struck a curve and the whistle moaned a warning through the wetness of the night. A street light flickered by and in the flash of light that penetrated the car Bob caught a fleeting glimpse of a man in the aisle. The figure of the intruder was heavy and he was hunched forward. There had been no chance to recognize the face, but Bob was sure now that the other man in the car was Hamsa. Another street light shot a beam through the windows and it played squarely on the face of the man in the aisle. It was Hamsa! Bob felt in his coat pockets for something to defend himself and his groping hands came on the blackjack which Hamsa had used on Tully. There was the grim hint of a smile on Bob’s lips as he slipped his right hand through the leather thong on the leaden slug. He now had both an effective and dangerous weapon and he knew he would be justified in using it. Once more there came the streak of light in the car as the Limited roared over another crossing and Bob saw that Hamsa was nearer, almost at the head of the berth. With his muscles tense and his whole body balanced, Bob waited for another flash of light from the street which would give him an opportunity to strike down the intruder. Then the clatter of the trucks over switch points told him the train was out of the village. Whatever happened from that point on would probably be in utter darkness unless the porter happened to come back into the car and turn on the lights. The Limited settled down to its steady stride again and Bob, tense and crouching waited. His breath was coming in short jerks and he was afraid that his heart was pounding so hard its beats would be audible to the other who was intent on catching him by surprise in the darkened berth. By straining his eyes Bob finally made out the approaching shadow that was Hamsa. He drew back his right arm and waited. Hamsa came nearer, treading cautiously lest he alarm the youth he believed was sleeping soundly in the berth. Suddenly a beam of light shot out from Hamsa’s hand as he turned on a flash light, but the rays fell only on the rumpled bedclothes. Bob heard a smothered exclamation from the other and before Hamsa could swing the beam of the flash light around in search of him he struck forth with the blackjack. Just as Bob swung the weapon the trucks hit a sag in the track and the young federal agent was thrown partially off balance. He had aimed at Hamsa’s head, and although his blow missed that the weapon crashed down on his shoulder and Bob heard a sharp cry of pain. He jerked back the weapon and struck again and again. Each time he heard a cry of pain and then the flash light thudded to the floor and its beam went out. They went at it hand to hand then, Hamsa wresting the blackjack away from Bob and hurling it to the far end of the car. The other man was much older and twice as heavy as Bob, but he was not as lithe and his fists could not move as rapidly.