Then Barclay in his weed-plough went in search of succulent weeds. He brought on board a quantity of delicious dulse, and small oysters that he had found clinging to the roots of the seaweed stalks.

And so the plague was stayed—for a time at all events.

They had now sufficient oil to act as fuel for months.

. . . . . .

But the men began to get languid and lethargic again, always the first symptoms of that ocean scourge, the scurvy.

“Well, sister, can you account for it?” asked Antonio.

“It is want of work that makes the blood stagnant,” said Leona.

Antonio considered for a short time.

“What can we give them to do?” he remarked at last.

“Oh,” cried Barclay Stuart, “I know.”