centre of it. It was the Palmer tyre.

"Here is Herr Heidegger, sure enough!" cried Holmes, exultantly. "My
reasoning seems to have been pretty sound, Watson."

"I congratulate you."

"But we have a long way still to go. Kindly walk clear of the path. Now
let us follow the trail. I fear that it will not lead very far."

We found, however, as we advanced that this portion of the moor is
intersected with soft patches, and, though we frequently lost sight of
the track, we always succeeded in picking it up once more.

"Do you observe," said Holmes, "that the rider is now undoubtedly
forcing the pace? There can be no doubt of it. Look at this impression,
where you get both tyres clear. The one is as deep as the other.
That can only mean that the rider is throwing his weight on to the
handle-bar, as a man does when he is sprinting. By Jove! he has had a
fall."

There was a broad, irregular smudge covering some yards of the track.
Then there were a few footmarks, and the tyre reappeared once more.

"A side-slip," I suggested.

Holmes held up a crumpled branch of flowering gorse. To my horror I
perceived that the yellow blossoms were all dabbled with crimson. On the
path, too, and among the heather were dark stains of clotted blood.

"Bad!" said Holmes. "Bad! Stand clear, Watson! Not an unnecessary
footstep! What do I read here? He fell wounded, he stood up, he
remounted, he proceeded. But there is no other track. Cattle on this
side path. He was surely not gored by a bull? Impossible! But I see no
traces of anyone else. We must push on, Watson. Surely with stains as
well as the track to guide us he cannot escape us now."

Our search was not a very long one. The tracks of the tyre began to
curve fantastically upon the wet and shining path. Suddenly, as I
looked ahead, the gleam of metal caught my eye from amid the thick gorse
bushes. Out of them we dragged a bicycle, Palmer-tyred, one pedal bent,
and the whole front of it horribly smeared and slobbered with blood. On
the other side of the bushes a shoe was projecting. We ran round, and
there lay the unfortunate rider. He was a tall man, full bearded, with
spectacles, one glass of which had been knocked out. The cause of his
death was a frightful blow upon the head, which had crushed in part of
his skull. That he could have gone on after receiving such an injury
said much for the vitality and courage of the man. He wore shoes, but
no socks, and his open coat disclose