There was a sharp report, the undoubted whip-like crack of a rifle,
and a man just behind, uttering a cry, held up a bleeding arm. Dick had
a lightning conviction that the bullet was intended for himself. It was
certain also that the shot had come from the house.

"Back with me, sergeant!" he exclaimed. "We'll get that fellow yet!"

They galloped back, sprang from their horses, and rushed in, followed by
the original little troop that had entered, Dick shouting a direction to
the others to remain outside. The fierce little old woman was sitting as
before by the table, knitting, and she had never appeared more the great
lady.

"Once was enough," she said, shooting him a glance of bitter contempt.

"But twice may succeed," Dick said. "Sergeant, take the men and go
through all the house again. Our friend with the rifle may not have had
time to get back into his hidden lair. I will remain here."

The sergeant and his men went out and he heard their boots on the
stairway and in the other rooms. The window near him was still open
and the perfume of the roses came in again, strangely thrilling,
overpowering. But something had awakened in Dick. The sixth, and even
the germ of a seventh sense, which may have been instinct, were up and
alive. He did not look again at the rose garden, nor did he listen any
longer to the footsteps of his men.

He had concentrated all his faculties, the known, and the unknown,
which may have been lying dormant in him, upon a single object. He