"In these seas?" asked Hatteras with beating heart.
The same sign from the sick man.
"To the north?"
"Yes."
"And you know where it lies?"
"Yes."
"Exactly?"
There was a moment's silence. The bystanders were all excited.
"Now, listen carefully," said Hatteras to the sick man; "we must know where this ship lies. I am going to count the degrees aloud; you will stop me by a sign."
The American bowed his head to show that he understood.