Yet, stealthy as his approach had been, something must have warned us.
For suddenly, with one accord, we three turned upon the bed, and
stared out into the room from which the fog wreaths floated in.

Beeton stood nearest to the door, but, although he turned, he did not
go out, but with a smothered cry crouched back against the bed. Smith
it was who moved first, then I followed, and close upon his heels
burst into the disordered sitting-room. The outer door had been closed
but not bolted, and what with the tinted light, diffused through the
silken Japanese shade, and the presence of fog in the room, I was
almost tempted to believe myself the victim of a delusion. What I saw
or thought I saw was this:--

A tall screen stood immediately inside the door, and around its end,
like some materialization of the choking mist, glided a lithe, yellow
figure, a slim, crouching figure, wearing a sort of loose robe. An
impression I had of jet-black hair, protruding from beneath a little
cap, of finely chiseled features and great, luminous eyes, then, with
no sound to tell of a door opened or shut, the apparition was gone.

"You saw him, Petrie!--you saw him!" cried Smith.

In three bounds he was across the room, had tossed the screen aside
and thrown open the door. Out he sprang into the yellow haze of the
corridor, tripped, and, uttering a cry of pain, fell sprawling upon
the marble floor. Hot with apprehension I joined him, but he looked
up with a wry smile and began furiously rubbing his left shin.

"A queer trick, Petrie," he said, rising to his feet; "but