"Don't attempt hard work after hours," advised Holmes.

"Such as walking?"

"No; thinking."

Dick finished his meal and stepped outside in the air. The first
to join him was Lieutenant Morris.

"Feel like taking a walk in the moonlight?" Dick asked.

"I'd be delighted, Captain, but to-night I'm officer in charge
at the company barracks."

"True; I had forgotten."

Other officers Dick invited to join him, but all had duty of one
kind or another, or else home letters to write.

"Did I hear you say you were going to take a walk, Prescott?"
asked Major Wells.

"Yes, sir. By any great good luck are you willing to go with me?"

"I'd like to, Prescott, but as it happens there is the school
for battalion commanders to-night. A talk on trench orders by
the brigadier is listed, I believe."

"I'm afraid I shall have to go alone," sighed Dick "Yet I've half