shoulder; he made sure there were no others behind them. "Shut up!" Mallow snapped. "Frisk him, Tony, and—" The command was cut short by a startled, throaty cry—a hoarse sound of astonishment and rage—and simultaneously a strange, a phenomenal thing occurred. An unseen hand appeared to strike down both Mallow and his accomplice where they stood, and it smote them, moreover, with appalling force and terrifying effect. One moment they were in complete mastery of the situation, the next they were groveling in the road, coughing, sneezing, barking, retching, blaspheming poisonously. Baffled fury followed their first surprise. Mallow tore the mask from his face and groped blindly for the weapon he had dropped, but before he could recover it, pain mastered him and he fell back, clawing at hims

