Less than two hours later, Inspector Weymouth and a party from New Scotland Yard raided the house in Museum Street. They found the stock of J. Salaman practically intact, and, in the strangely appointed rooms above, every evidence of a hasty outgoing. But of the instruments, drugs and other laboratory paraphernalia not one item remained. I would gladly have given my income for a year, to have gained possession of the books, alone; for beyond all shadow of doubt, I knew them to contain formulæ calculated to revolutionize the science of medicine.  
Exhausted, physically and mentally, and with my mind a whispering-gallery of conjectures (it were needless for me to mention whom respecting), I turned in, gratefully, having patched up the slight wound in my calf.
 
I seemed scarcely to have closed my eyes, when Nayland Smith was shaking me into wakefulness.
 
"You are probably tired out," he said; "but your crazy expedition of last night entitles you to no sympathy. Read this. There is a train in an hour. We will reserve a compartment and you can resume your interrupted slumbers in a corner seat."
 
As I struggled upright in bed, rubbing my eyes sleepily, Smith handed me the Daily Telegraph, pointing to the following paragraph upon the literary page:
 
"Messrs. M—— announce that they will publish shortly the long-delayed work of Kegan Van Roon, the celebrated American traveller, Orientalist and psychic investigator, dealing with his recent inquiries in China. It will be remembered that Mr. Van Roon
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undertook to motor from Canton to Siberia last winter, but met with unforeseen difficulties in the province of Ho-Nan. He fell into the hands of a body of fanatics and was fortunate to escape with his life. His book will deal in particular with his experiences in Ho-Nan, and some sensational revelations regarding the awakening of that most mysterious race, the Chinese, are promised. For reasons of his own he has decided to remain in England until the completion of his book (which will be published simultaneously in New York and London), and has leased Cragmire Tower, Somersetshire, in which romantic and historical residence he will collate his notes and prepare for the world a work ear-marked as a classic even before it is published."
 
I glanced up from the paper, to find Smith's eyes fixed upon me inquiringly.
 
"From what I have been able to learn," he said evenly, "we should reach Saul, with decent luck, just before dusk."
 
As he turned and quitted the room without another word, I realized, in a flash, the purport of our mission; I understood my friend's ominous calm, betokening suppressed excitement.
 
Fortune was with us (or so it seemed); and whereas we had not hoped to gain Saul before sunset, as a matter of fact the autumn afternoon was in its most glorious phase as we left the little village with its old-time hostelry behind us and set out in an easterly direction, with the Bristol Channel far away on our left and a gently sloping upland on our right.
 
The crooked high-street practically constituted the entire hamlet of Saul, and the inn, The Wagoners, was the last house in the street. Now, as we followed the ribbon of moor-path to the top of the rise, we could stand and look back upon the way we had come; and although we had covered fully a mile of ground, it was possible to detect the sunlight gleaming now and then upon the gilt lettering of the inn
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sign as it swayed in the breeze. The day had been unpleasantly warm, but relieved by this same sea breeze, which, although but slight, had in it the tang of the broad Atlantic. Behind us, then, the footpath sloped down to Saul, unpeopled by any living thing; east and north-east swelled the monotony of the moor right out to the hazy distance where the sky began and the sea remotely lay hidden; west fell the gentle gradient from the top of the slope which we had mounted, and here, as far as the eye could reach, the country had an appearance suggestive of a huge and dried-up lake. This idea was borne out by an odd blotchiness, for sometimes there would be half a mile or more of seeming moorland, then a sharply defined change (or it seemed sharply defined from that bird's-eye point of view). A vivid greenness marked these changes, which merged into a dun coloured smudge and again into the brilliant green; then the moor would begin once more.
 
"That will be the Tor of Glastonbury, I suppose," said Smith, suddenly peering through his field-glasses in an easterly direction; "and yonder, unless I am greatly mistaken, is Cragmire Tower."
 
Shading my eyes with my hand, I also looked ahead, and saw the place for which we were bound; one of those round towers, more common in Ireland, which some authorities have declared to be of Phœnician origin. Ramshackle buildings clustered untidily about its base, and to it a sort of tongue of that oddly venomous green which patched the lowlands shot out and seemed almost to reach the tower-base. The land for miles around was as flat as the palm of my hand, saving certain hummocks, lesser tors, and irregular piles of boulders which dotted its expanse. Hills and uplands there were in the hazy distance, forming a sort of ............