have just finished your supper, and you are already hungry again."

"Oh, I'm not hungry now," explained Freddie, "but I will be on the
boat."

"Don't worry," said his mother. "Dinah is coming with us."

"Oh, then it will be all right," went on the little twin, with a
contented sigh. "Come on, Flossie," he called to his small sister, "I
know how we can have some fun. 'Scuse me," he murmured, as he and the
other little twin slipped from their chairs.

Mr. and Mrs. Bobbsey, with Nan and Bert, remained at the table for
some time longer, talking about the coming trip in the Bluebird. As
Mr. Bobbsey had said, it would be about two weeks, yet, before they
could start. There were two weeks more of school, but the classes
would close earlier than usual that summer, because an addition was to
be built to the school building, and the men wanted to get to work on
it, to have it finished in time for school early in September.

"So we'll get an extra week or so of vacation," explained Bert. "And
we'll spend it all on the houseboat."

"Well, perhaps not all of it," said Mr. Bobbsey. "I may not be able to
stay with you all that while. But we'll spend a month or two on the
Bluebird."

"What will we do the rest of vacation?" asked Bert.

"Oh, perhaps we'll go to the mountains, or some place like that," his