"C-r-rack!"

"Oh--what is it!" she cried, springing to the grille.

"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! If the thing drops you'll break your arms!"

"I--I don't care!" she said breathlessly. "I can't let----"