Ten minutes passed ere Dan returned with Dr. Lawrence.

"You see the job that's cut out for you," said Darrin, pointing to the unconscious figure in the bunk. "Can you do it, Doctor?"

The medical man made a hasty examination of the unconscious midshipman before he answered briefly:

"Yes."

"Will it be a long job, Doctor?"

"Fifteen minutes, probably."

"Oh, good, if you can do it in that time!"

"Me go now?" asked Chow, with sullen curiosity, as the medical man opened his medicine-case.

"Yes; if you don't try to leave the joint," agreed Dave. "And I'm going outside with you."

Chow looked very much as though he did not care for company, but Midshipman Darrin kept at his side.