"Don't you dare to stop me!" he hissed, the breath coming between his
lips across the knife that he held in his teeth. "Nothing in the world
can stop me now--I have promised--and I must do it. I can't hold out any
longer."

"Then drop the knife and I'll help you," I shouted back in his face. "I
promise--"

"No use," he cried, laughing a little, "I must do it and you can't stop
me."

I heard a sound of laughter, too, somewhere in the air behind me. The
next second Shorthouse came at me with a single bound.

To this day I cannot quite tell how it happened. It is still a wild
confusion and a fever of horror in my mind, but from somewhere I drew
more than my usual allowance of strength, and before he could well have
realised what I meant to do, I had his throat between my fingers. He
opened his teeth and the knife dropped at once, for I gave him a squeeze
he need never forget. Before, my muscles had felt like so much soaked
paper; now they recovered their natural strength, and more besides. I
managed to work ourselves along the rafter until the hay was beneath us,
and then, completely exhausted, I let go my hold and we swung round
together and dropped on to the hay, he clawing at me in the air even as
we fell.

The struggle that began by my fighting for his life ended in a wild
effort to save my own, for Shorthouse was quite beside himself, and had
no idea what he was doing. Indeed, he has always averred that he
remembers nothing of the entire night's experiences after the time when