<SPAN name="chap12"></SPAN>
<h3> CHAPTER XII </h3>
<h3> THE HASHISHIN WATCH </h3>
<p>"The American gentleman has just gone out, sir," said the sergeant
at the door.</p>
<p>I nodded grimly and raced down the steps. Despite my half-formed
desire that the slipper should be recovered by those to whom
properly it belonged, I experienced at times a curious interest in
its welfare. I cannot explain this. Across the hall in front of
me I saw Earl Dexter passing out of the Museum. I followed him
through into Kingsway and thence to Fleet Street. He sauntered
easily along, a nonchalant gray figure. I had begun to think that
he was bound for his hotel and that I was wasting my time when he
turned sharply into quiet Salisbury Square; it was almost deserted.</p>
<p>My heart leapt into my mouth with a presentiment of what was coming
as I saw an elegant and beautifully dressed woman sauntering along
in front of us on the far side.</p>
<p>Was it that I detected something familiar in her carriage, in the
poise of her head—something that reminded me of former
unforgettable encounters; encounters which without exception had
presaged attempts upon the slipper of the Prophet? Or was it that
I recollected how Dexter had booked two passages to America? I
cannot say, but I felt my heart leap; I knew beyond any possibility
of doubt that this meeting in Salisbury Square marked the opening
of a new chapter in the history of the slipper.</p>
<p>Dexter slipped his arm within that of the girl in front of him and
they paced slowly forward in earnest conversation. I suppose my
action was very amateurish and very poor detective work; but
regardless of discovery I crossed the road and passed close by
the pair.</p>
<p>I am certain that Dexter was speaking as I came up, but, well out
of earshot, his voice was suddenly arrested. His companion turned
and looked at me.</p>
<p>I was prepared for it, yet was thrilled electrically by the
flashing glance of the violet eyes—for it was she—the beautiful
harbinger of calamities!</p>
<p>My brain was in a whirl; complication piled itself upon complication;
yet in the heart of all this bewilderment I thought I could detect
the key of the labyrinth, but at the time my ideas were in disorder,
for the violet eyes were not lowered but fixed upon me in cold scorn.</p>
<p>I knew myself helpless, and bending my head with conscious
embarrassment I passed on hurriedly.</p>
<p>I had work to do in plenty, but I could not apply my mind to it;
and now, although the obvious and sensible thing was to go about
my business, I wandered on aimlessly, my brain employed with a
hundred idle conjectures and the query, "Where have I seen The
Stetson Man?" seeming to beat, like a tattoo, in my brain. There
was something magnetic about the accursed slipper, for without
knowing by what route I had arrived there, I found myself in Great
Orchard Street and close under the walls of the British Antiquarian
Museum. Then I was effectually aroused from my reverie.</p>
<p>Two men, both tall, stood in the shadow of a doorway on the Opposite
side of the street, staring intently up at the Museum windows. It
was a tropically hot afternoon and they stood in deepest shadow. No
one else was in Orchard Street—that odd little backwater—at the
time, and they stood gazing upward intently and gave me not even a
passing glance.</p>
<p>But I knew one for the Oriental visitor of the morning, and despite
broad noonday and the hum of busy London about me, my blood seemed
to turn to water. I stood rooted to the spot, held there by a most
surprising horror.</p>
<p>For the gray-bearded figure of the other watcher was one I could
never forget; its benignity was associated with the most horrible
hours of my life, with deeds so dreadful that recollection to this
day sometimes breaks my sleep, arousing me in the still watches,
bathed in a cold sweat of fear.</p>
<p>It was Hassan of Aleppo!</p>
<p>If he saw me, if either of them saw me, I cannot say. What I should
have done, what I might have done it is useless to speak of here—for
I did nothing. Inert, thralled by the presence of that eerie,
dreadful being, I watched them leave the shadow of the doorway and
pace slowly on with their dignified Eastern gait.</p>
<p>Then, knowing how I had failed in my plain duty to my fellow-men—how,
finding a serpent in my path, I had hesitated to crush it,
had weakly succumbed to its uncanny fascination—I made my way
round to the door of the Museum.</p>
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