Everybody on board the Stormy Petrel realized that this could be no idle warning, and all held on like grim death to anything that was handy. The next moment there was a strange hissing and pounding of the ocean, and, in a twinkling, the Stormy Petrel was caught on what seemed to be the top of a giant wave and carried along as if in the grip of a demon of the deep!
The upward and forward movement came with such a force that nearly everybody was taken clean and clear off his feet, and had not each one clung fast, as directed by Billy Dill, somebody must surely have been flung overboard. The bark turned around and around on the top of the wave, and then lurched forward and went on and on, the spray flying so thickly that scarcely a thing of what was beyond could be seen.
"My gracious!" gasped Roger, who had been flung down on top of Phil. "What is this?"
"Don't ask me!" returned Dave, who was sitting on the upper step with his arms entwined around the companionway rail. "I guess it's an earth quake and a hurricane rolled into one."
"Has anybody gone overboard?" asked Phil, as he tried to stand up.
"I don't know. Billy Dill gave the warning."
The door to the cabin was open, and the three lads fairly tumbled into the compartment. The bark was rocking to such an extent that to stand
