Sometimes it is necessary that a man stand at the wheel many hours without help, and he does this so that if he sleep the wheel wake him, yes, sair." I looked from him to the man on the bed.
"But why, sair," said Da Costa slowly, "did Olaf have to tie his hands ?" I looked at him, uneasily.
"I don't know," I answered.

"Do you ?" He fidgeted, avoided my eyes, and then rapidly, almost surreptitiously crossed himself.
"No," he replied.

"I know nothing.

Some things I have heard--but they tell many tales on these seas." He started for the door.

Before he reached it he turned.