"What?" gasped Midshipman Pennington in intense astonishment. "What are
you talking about?"

"You'll be wise to turn in a report, on what happened," pursued Dave,
"for it's likely to reach official ears, anyway, and you'll be better
off if you make the first report on the subject."

"Why is it likely to reach official ears, if you fellows keep your
mouths shut?"

"You see," Darrin went on very quietly, "I reported the joint at the
police station, and Chow Hop threatened that, if I did, he'd tell all
he knew about everybody. So you'd better be first----"

"You broke the game out to the police!" gasped Pennington, staring
dumfoundedly at his comrade. "What on earth----"

"I did it because I had more than one satisfactory reason for
considering it my duty," interposed Dave, speaking quietly though
firmly.

"You--you--bag of wind!" exploded Midshipman Pennington.

"I'll accept your apology when you've had time to think it all over,"
replied Dave, with a smile, though there was a brief flash in his eyes.

"I'll make no apology to you--at any time, you--you--greaser!"

Marks for efficiency or good conduct, which increase a midshipman's