"I don't know," he said, somewhat pale. "The old thing seems to be sliding." "Giving way!" "A little I think " "Mr. Vanderdynk! I must call the police " "Cr-rackle crack-k-k!" went the car, dropping an inch or two. With a stifled cry she caught his hands through the bars, as though to hold him by main strength. "Are you crazy?" he said fiercely, thrusting them away. "Be careful!