Then came Andy's triumph. After many difficulties and failures he succeeded in duly installing the motor in the yawl, and on a trial trip inside the lagoon the boat behaved magnificently under power.
"We'll have a trip round the island to-morrow," he exclaimed, as the craft was moored for the night. "Let's turn in early so as to make a start immediately after sunrise."
The morning dawned bright and calm, with no wind.
"It will mean running under power," observed Andy, as the lads, laden with provisions and tins of kerosene, wended their way to the shore. "I mean to——"
He stopped, his eyes fixed seaward.
His companions followed his gaze, and simultaneously there was a shout of:
"A sail!"