“But the centre board was down,” answered Tom.

“Look at it,” said Cal. “Doubtless it was down when we struck, but as we slid up into the grass it was shut up like a jackknife.”

“Stop talking,” commanded Larry, “and get to the oars. It’s now or never. If we don’t get clear of this within five minutes we’ll have to lie here all night. The tide is just past full flood and the depth will grow less every minute. Now then! All together and back her out of this!”

With all their might the four boys backed with the oars, but the boat refused to move. Dick shifted the ballast a little and they made another effort, with no result except that Tom, in his well-nigh insane eagerness to repair the damage done, managed to break an oar.

“It’s no use, fellows,” said Larry. “You might as well ship your oars. We’re stuck for all night and must make the best of the situation.”

“Can’t we get out and push her off?” asked Tom in desperation.

“No. We’ve no bottom to stand on. The mud is too soft.”

“That’s one disadvantage in a dory,” said Dick, settling himself on a thwart. “If we had a keel under us, we could have worked her free with the oars.”

“If, yes, and perhaps,” broke in Cal, who was disposed to be cheerfully philosophical under all circumstances. “What’s the use in iffing, yessing and perhapsing? We’re unfortunate in being stuck on a mud bank for the night, but stuck we are and there’s an end of that. We can’t make the matter better by wishing, or regretting, or bemoaning our fate, or making ourselves miserable in any other of the many ways that evil ingenuity has devised for the needless chastisement of the spirit. Let us ‘look forward not back, up and not down, out and not in,’ as Dr. Hale puts it. Instead of thinking how much happier we might be if we were spinning along over the water, let us think how much happier we shall be when we get out of this and set sail again. By the way, what have we on board that we can eat before the shades of night begin falling fast?”