f back in Baker Street," he remarked.

"How did you know?" I exclaimed. "Why, Holmes, what are _you_ doing
here?"

"Business, my dear Watson, business. Moriarty is becoming troublesome
again."

"But he was drowned."

"Far too clever to be drowned in that pool. Merely stranded on the edge
like myself. But I had made England too hot for him. You can guess his
name."

"Not the K----!"

"Watson, Watson, Moriarty was my mental equal. Now he calls himself von
Kluck."

I was overwhelmed.

Just then a little group of the staff arrived. I recognised amongst them
the figures of General J---- and Field-Marshal F----, and saluted.

"The spy in staff uniform is the third on your left, Sir," said Holmes
casually.

The Field-Marshal beckoned a firing party.

As the shots rang out I whispered, "How did you know he wasn't English?"

"Watson, Watson, did you not see that he had no handkerchief in his
sleeve?"

* * *

"It is all-important, Captain Holmes," said the British Commander, "that
we should ascertain what army is opposing our right wing. Our airmen are
useless in this fog. I detail you for this duty."

Holmes saluted. "Come, Watson," he said, and led me through the fog
towards the enemy's lines. We had not walked a mile when we reached a
fine chateau.

"You are cold, Watson," said Holmes. "Light a fire in the front room
whilst I scout for Uhlans."

In a moment he returned to me after having looked round the house. It
was, I think, the first time the Chateau had known the scent of shag
tobacco. A glow of heat rushed through me. I felt another man.

"Better than the trenches," said Holmes, penetrating to my inmost
thought. We sat for an hour and then I said, "Holmes, your mission."

"Ah, I forgot. Come on."

He led me into the thickening fog, and in a few minutes I was surprised
to find myself in the British lines. The General emerged as we
approached. Holmes saluted. "The CROWN PRINCE'S army is on the enemy's
left, Sir. It is now in rapid retreat."

The General shook him warmly by the hand.

"But, Holmes," I said, as we went away, "we have done nothing. The lives
of thousands of our men may depend on this."

"My dear Watson," said Holmes, tapping the dottel of his pipe into his
hand. "I used my eyes. In the house we visited the silver had almost all
vanished. Inference--CROWN PRINCE. But two solid silver spoons had been
left on the table. Inference--CROWN PRINCE in a hurry. Really, I am
asha