“When was this done?” asked the doctor, looking at the wound.

“More than a week ago,” replied Wicks, thinking singly of his log.

“Hey?” cried the doctor, and he raised his head and looked the captain in the eyes.

“I don’t remember exactly,” faltered Wicks.

And at this remarkable falsehood the suspicions of the doctor were at once quadrupled.

“By the way, which of you is called Wicks?” he asked easily.

“What’s that?” snapped the captain, falling white as paper.

“Wicks,” repeated the doctor; “which of you is he? That’s surely a plain question.”

Wicks stared upon his questioner in silence.

“Which is Brown, then?” pursued the doctor.