It was useless to think of coping with them in such numbers. It was necessary to make quick and definite action.

Frank sprang toward the companionway and motioned the others to follow him.

They were not a moment too soon in this, as the fish came about in a cloud, hovering over the hatchway, and trying to force an entrance.

But the divers were safe for the nonce in their retreat, and it was deemed best to remain there until the fish should disperse.

But they seemed in no disposition to do this.

Indeed, they remained above the deck, besieging the party quite effectually.

The position was by no means a pleasant one.

“Well,” cried Frank, as they put their helmets together, “I don’t see but that we are obliged to stay here whether we will or no.”

“That’s so,” agreed Bill. “I wish the beastly critters would clear out.”

Von Bulow was getting depressed.