As the weeks of hard work passed, and no more mysteries fell over post number three it began to be felt that plebes might thereafter walk there on the darkest night without worry.

One day in July Dick found himself again on guard, with post number three for the "ghosts promenade"—that is, the tour ending at midnight.

"Don't feel too secure, will you, old man?" begged Anstey. "Watch out, just the same, won't you?"

"I always take that post as though it were one of especial danger,"
Dick answered seriously.

Which was well indeed, for Yearlings Davis, Graham and Poultney were even then plotting behind the walls of their tent.

CHAPTER XIII

THE SENTRY MAKES A CAPTURE

"Post number one! Eleven o'clock, and all's well."

"Post number two! Eleven o'clock, and all's well!"

Cadet Prescott, midway on his post, came to a halt, bringing his rifle to port arms.