"Now, all together!" whispered Raed. "Aim at its body above and back of its forward flippers. Ready! Fire!"

We let drive. The great creature gave a hoarse grunt, and, raising itself on its finlike legs, floundered over into the sea.

"Round the ledge!" shouted Kit. "He won't get far, I don't believe!"

Guard was tearing down, barking loudly; and we had started to run, when, above the shouting and barking, the sudden boom of a cannon was heard.

"Hark!" cried Weymouth.

"Hold on, hold on, fellows!" Raed exclaimed.

"Wasn't that our howitzer?" Donovan asked. "Sounded like it."

"It's the cap'n firing, for a joke, to let us know he heard us," Weymouth suggested.

"Oh! he wouldn't do that," replied Raed.

"Of course he wouldn't!" exclaimed Donovan. "He ain't that sort of a man!"