"I daresay you can understand the queer feeling of horror I had at
passing that place on the stairs where the sounds had ceased. It was as
if the monster were still standing there, invisible. And the peculiar
thing was that we never heard another sound of the hoof, either up or
down the stairs.

"After they had taken Miss Hisgins to her room I sent word that I should
follow, so soon as they were ready for me. And presently, when a message
came to tell me that I could come any time, I asked her father to give
me a hand with my instrument box and between us we carried it into the
girl's bedroom. I had the bed pulled well out into the middle of the
room, after which I erected the electric pentacle 'round the bed.

"Then I directed that lamps should be placed 'round the room, but that on
no account must any light be made within the pentacle; neither must
anyone pass in or out. The girl's mother I had placed within the pentacle
and directed that her maid should sit without, ready to carry any message
so as to make sure that Mrs. Hisgins did not have to leave the pentacle.
I suggested also that the girl's father should stay the night in the room
and that he had better be armed.

"When I left the bedroom I found Beaumont waiting outside the door in a
miserable state of anxiety. I told him what I had done and explained to
him that Miss Hisgins was probably perfectly safe within the
'protection'; but that in addition to her father remaining the night in
the room, I intended to stand guard at the door. I told him that I should
like him to keep me company, for I knew that he could never sleep,
feeling as he did, and I should not be sorry to have a companion. Also, I
wanted to have him under my own observation, for there was no doubt but