There could be no doubt that the boys were looking for the Meadow-Brook Girls.

The watching girl chuckled with delight.

Then the thought occurred to her that some way must be found to communicate with the boys soon, so that the latter might know they were safe.

Just how that was to be accomplished Harriet did not know.

The launch soon passed on out of sight.
As a matter of fact, Captain George Baker and his companions were a little disturbed over not finding the "Red Rover." Sam said he had seen the boat that afternoon, and unless it had picked up a tow the houseboat could not be far away.