The manœuvre successfully blocked other carriers, on both sides of the Admiral, which had sought to reach the coveted berth before her, and they slackened speed when their skippers realized they had not been able to steal a march on Captain Perkins.

“Pretty work,” grinned the mate, as he turned to his superior, “but hadn’t you better check? Some inspector may see us and fine you.”

In reply, the skipper pressed a button and the speed of the boat fell away, her momentum carrying her to the dock, where she was made fast, pending her turn to lock through.

“Come ashore with me and we’ll see what your chances are for a trip down the rapids,” called the captain, stepping from the bridge to the canal wall.

Quickly the boys followed, and soon they were in the canal-master’s room at the power-house.

“Some day I’ll have to fine you, Perkins, for jockeying for dock position,” chuckled the master, as he shook the hand of the Admiral’s skipper. “I was watching and I thought those other fellows had caught you napping for once.” Captain Perkins’ only reply was a grin, as he asked:

“How long before we can go up?”

“Just look over on Superior,” returned the canal-master.

And as they all turned, the boys beheld more than a score of boats waiting to lock through.

“You’re not going to hold me until all those fellows are down?” asked the Admiral’s skipper.