"That's it," conceded Allen. "Are you girls all right?"

"All but our nerves," answered Grace.

The boys made a search in the gloom, but found nothing, and once more
quiet settled down. Nor were they disturbed again that night. In the
morning they laughed.

"Oh, but it's hot!" exclaimed Mollie during the forenoon, when the
question of dinner was being discussed. "I think we might go for a
swim. There's a nice sandy beach at the side of our dock."

"Let's!" proposed Grace. The boys had gone off fishing.

Soon the girls were splashing around in the lake, making a pretty
picture in their becoming bathing suits, of which they had more use
than they had anticipated.

"Let's try some diving!" proposed Mollie, always a daring water
sprite. "It's lovely and deep here," and she looked down from the end
of the dock.

"I wish I dared dive," said Amy. She was a rather timid swimmer, slow
and deliberate, probably able to keep afloat for a long time, but
always timid in deep water.

"Here goes!" cried impulsive Mollie, as she poised for a flash into
the water.

She went down cleanly, but was rather long coming up. Grace and Betty