very clearest memory informed him that before his eyes those two had been resolved to nothingness.
Pondering on what he should do, however, it came to him that in honor only one course lay open. Had he been content to indulge Trenmore's superstitious regard for that infernal Dust, he would have been left confronting no such ghastly mystery. The fault, by this reckoning, was his. Let him pay, then.
With a firm, resolute tread Drayton approached the sinister gray pile, and of all its victims he alone loosed its deadliness knowingly-or believing that he knew.
Ten seconds later the library was empty of human life.
On the mantelpiece stood a clock which then pointed to the hour of nine-thirty. It ticked on solemnly, dutifully, wholly indifferent to any wonder save the great and perpetual miracle of Time itself. Minute by minute the long and the short hands crept over the dial, and on the vast looms of Eternity thread by thread was added to the universal fabric of the Past.
Ten-twenty-five, and Martin, out marketing among the stalls in the Reading Terminal Market, was very cheerful over some exceptionally large, juicy oranges. Mr. Trenmore liked oranges. He added two dozen of the fruit to his order and started homeward.
Back there in the library the Cerberus still gleamed where Drayton had flung it down. The Dust still lay on its newspaper, whose matter-of-factness seemed to deride all mystery connected with divorce, murder, or the wonderful cheapness of lace blouses and lingerie at Isaac Fineheimer's Stock Clearance Sale.
And as Martin, on his return journey, crossed Juniper Street, five blocks away, a caller arrived at a certain house on Walnut Street.
He was a short, rotund young gentleman. Attired in a suit of dark green, neatly matched by socks, tie, and the ribbon on his wellblocked hat, the one false note in his color scheme was struck by a pair of bright, too-bright tan shoes.
Twice he had passed the house saunteringly; then boldly ascended Mr. Burford's sedate white marble doorsteps. Boldly indeed he walked up and in at the open door; but once inside his demeanor underwent a change. No cat could have slunk more softly through vestibule and hall; no hunting animal could have been more keenly alert for any sound within the quiet, empty house.
He made straight for the stairs; but with one foot on the first step he paused. Through a half-open door he could see part of a large, book-lined room. Was it empty?
After short hesitation the rotund green gentleman stole over and peered cautiously round the edge of that door!
An instant later, and he had darted across the library with a silent, amazing celerity of movement. His attention, it seemed, had been caught by the Cerberus' gleaming in the sunlight. Picking up the vial, he examined it with swift care, thrust it in his pocket, and turned to leave. His cherubic face now wore the look of one who has achieved good fortune with almost suspicious ease; his pleased smile was half doubtful, and as he moved softly toward the door his small, darting eyes glanced from side to side quickly, thoughtful of hidden danger.
Unluckily for him, however, the real danger in that room was not bidden. It lay in full sight on a newspaper, flat on the floor between two chairs that faced one another companionably.
Frequently curiosity has been proved a fatal weakness.
How far the extraordinary affair might have progressed, how many of Philadelphia's citizens, innocent or otherwise, might have entered that library and been tempted to investigate the harmless looking gray peril on its floor, had not Martin been a careful and conscientious individual, is a problem for speculation. Fortunately, however, Martin was what he was. At exactly eleven o'clock he entered the library seeking his employer. Finding the room empty, and having searched the rest of the house in vain, he came to the natural and entirely correct conclusion. Mr. Trenmore was not at home.
The front door had been left open. Martin closed it. Then he returned to straighten the library and empty the ash trays.
Over the fatal Dust he hesitated. Was this gray, floury stuff rubbish left here to be thrown out? Arbitrary and uninstructed action never appealed to Martin. With wise caution-how wise he would have been panic-stricken to learn-he folded the newspaper together, taking pains that its contents be not scattered, made a neat packet of it, and tied it with red tape from the table drawer. This packet he carried upstairs and laid on Trenmore's chiffonier, where there could be no question of its being overlooked.
After that Martin sought the lower regions to prepare luncheon for Trenmore and his guest.
And in the library-that room of abominable and innocent looking emptiness-the clock ticked solemnly on.
CHAPTER 4: WHERE THE GRAY DUST LED
WHAT Robert Drayton expected when, without one glance for the world he felt himself to be forever leaving, he so deliberately followed the two Trenmores, he scarcely knew. Death, probably.
As he bent above the Dust, his back to the sunlight and to life, he was conscious of neither regret, fear, nor curiosity. He had reached that blank wall which seems to rise in moments of great crisis-a sense of nowness that cuts off past and future, leaving for standing place only the present, an infinitesimal point.
Carefully copying the actions of those who had preceded him, Drayton touched the Dust, first gently, then, in sudden haste for the end, giving it one vigorous stir with his forefinger.
Had he been a conventional suicide tugging at a trigger the result could have come no more promptly. As he had seen it rise before, so it rose now-that grim cloud which to Drayton presaged dissolution.
It reached his face, was in his eyes, his nostrils. With it came dizziness and a strong physical nausea. His mouth tasted sharply bitter, as if he had swallowed quinine. Drayton shuddered and gasped. He saw everything through a gray mist. The room was filled with it. It was a mist composed of thin, concentric rings, swirling slowly with himself for axis. The rings became thicker, denser-till he could perceive nothing else-till he could not see his hands, when, stretching them out to catch at a chair or table, they came in contact only with the air.
The bitter taste and the sickness increased. His hand was on the floor supporting him, and the floor felt strange; the carpet unlike any weave of human making. Presently even the dizziness and nausea were forgotten. He had attention only for that strange carpet. He could have sworn that what he touched with cautious, investigatory fingers was not carpet at all, but grass! Surely it was grass-long, matted, a tangle of brittle-dry blades.
While he still explored this odd phenomenon, the blinding grayness about him began to thin. All around him appeared the changing outlines of shapes, gray and mutable as the mist itself, but still shapes of a sort. Rapidly now these grew more coherent, solid, and acquired a more than shadowy substance, until, all in a moment, the gray, swirling veil was withdrawn.
Unless every sense of his body lied, Drayton was crouching on the ground in open air. Those gray shapes he had glimpsed were the fallen stones and broken walls of some old, ruined building.
Unspeakably bewildered, Drayton staggered to his feet. There before him stretched the broad level of a wide green plain, across which a low sun stared through a strata of reddened cloud. The ruins near which he stood crowned the summit of a little hill, all overgrown with that dry, tangled grass which had so puzzled him in the mist. Here and there a few small trees had sprung up among the stones. He heard their scant, yellowish foliage rustling stiffly in the slight breeze.
Turning slowly, he perceived that the hill of the gray ruins was the first of a low range of foothills, above whose summits in the east loomed the white peaks of mountains.
Following amazement, Drayton's first impression was one of intolerable loneliness. In the sky of this strange, wide world he had invaded not a bird flew; mountain, hill, and plain lay desolate, empty of any living creature; no sound broke the stillness save the gentle, unhuman whisper of the warm breeze, blowing from the plain upward across the hills.
And yet it was all very real; very convincing and earthlike. The shadows of the ruins stretched long and dark away from the almost level rays of the sinking sun. Stretching forth his hand, Drayton laid it cautiously upon the stone of a broken wall. The rough granite felt dusty and hot beneath his fingers. He broke off a bit of green-gray lichen that grew there, and it was just that-lichen and no more.
If he were dead, if this were the world that awaits the soul when the body perishes, why did he feel so uncommonly like his ordinary, everyday, physical self? How could he feel at all, in any common sense?
