The oarsmen levelled their oars, feathering the blades, and listening to the march. The Bunkers, attracted by the music of the band, followed the Sylph at a respectful distance. The presence of Uncle Ben and Mrs. Sedley was a restraint upon them, and they conducted themselves with tolerable decorum. The band ceased playing, and Mrs. Sedley continued her instructions.

"What is a gulf or bay?"

"A portion of the sea extending into the land."

"Can you give me an example?"

"Weston Bay," replied Fred, laughing.

"And perhaps, before the expedition concludes its voyage, we shall find something which may be called a gulf."

"I know where there is a gulf," said Charles.

"Now, Frank, you may go through the strait," said Fred.

"Is it safe? I don't know how deep the water is."

"I am glad to see you are careful," said Mrs. Sedley. "You can ask Uncle Ben."