A few minutes passed.

"We ought to start soon," said Bart, in a whisper; for there was something in the scene which made them feel grave and solemn.

The other boys nodded in silence.

A few minutes more passed.

Then there arose a cry.

And then suddenly there came to their excited ears the rattle of a hundred hammers. Stroke after stroke, in quick succession, was dealt upon the wedges, which thus raised the vast structure from her resting-place. For a moment she stood motionless, and then—

Then with a slow motion, at first scarce perceptible, but which every instant grew quicker, she moved down her ways, and plunged like lightning into the water. The stern sank deep, then rose, and then the ship darted through the water across the river. Then suddenly the anchor was let go, and with the loud, sharp rattle of chains, rushed to the bed of the river. With a slight jerk the ship stopped.

The launch was over.

A boat now came from the shore, bringing the builder, Mr. Watson; and at the same time a steamer appeared, rounding a point up the river, and approaching them.

"Do you want to go to St. John, Bart?"