ing has
been done before. We will leave it there for the present. Will you come
this way with me, if you please, Captain Granet? I won't trouble you,
Miss Worth, or you, Sir Meyville. You might not like what we are going
to see."

Granet rose at once to his feet.

"Of course, I will come wherever you like," he assented.

The two men passed together side by side, in momentous silence, across
the stone hall, out of the house, and round the back of the garden to a
wooden shed, before which was posted a sentry. The man stood on one side
to let them pass. On the bare stone floor inside was stretched the dead
body of Collins. The salt water was still oozing from his clothes and
limbs, running away in little streams. There was a small blue hole in
the middle of his forehead.

"This, apparently," Thomson said, "is the man who lit the magnesium
light which showed the Zeppelin where to throw her bombs. The thing was
obviously prearranged. Can you identify him?"

"Identify him?" Granet exclaimed. "Why, I was playing bowls with him
yesterday afternoon. He is a Glasgow merchant named Collins, and a very
fine golf player. He is staying at the Dormy House Club."

"He has also another claim to distinction," Major Thomson remarked
drily, "for he is the man who fired those lights. The sergeant who shot
him fancied that he heard voices on the creek, and crept up to the
wall just before the flare came. The sergeant, I may add, is under the
impression that there were two men in the boat."

Granet shook his head dubiously.

"I know nothing whatever of the man or his movements," he declared,
"beyond what I have told you. I have scarcely spoken a dozen words to
him in my life, and never before our chance meeting at the Dormy House."

"You do not, for instance, happen to know how he came here from the
Dormy House?"

"If you mean did he come in my car," Granet answered easily, "please let
me assure you that he did not. My errand here last night was indiscreet
enough, but I certainly shouldn't have brought another man, especially a
stranger, with me."

"Thank you," Major Thomson concluded, "that is all I have to say to you
for the present."

"Has there been much damage done?" Granet inquired.

"Very little."

They had reached the corner of the avenue. Granet glanced down towards
the road.

"I presume," he remarked, "that I am at liberty to depart?"

Thomson gave a brief order to the soldier who had been attending them.

"Yo