I fancied myself doomed to spend a frightful eternity of burrowing through brick wormholes which led nowhere. I lost all sense of location, time, and direction. I wasn't even sure of my own identity any more: things like this couldn't happen to a woman named Smith! Just when I reached the stage where I was ready to drop down and lie there unmoving until I died, he turned his head and gave me a comradely smile of assurance and trust. I plucked up heart of grace and staggered on. Of a sudden he stopped. The pale circle of the flash-light moved up, inch by inch, steadied, and stayed on one spot.
I found myself staring fixedly at the old and familiar enough symbol of the rayed eye within the triangle. It was not commonplace or familiar set up there in that secret and awesome place and seen by a pale light. There was about it a stark and stern solemnity, such as suggested the winged circle of immortality carved above the rock-hewn doors of the tombs of Egyptian kings. Higher than a tall man's head, it was painted on bricks of a lighter hue than the surrounding ones, and when the light touched it it seemed to leap out of the dark like a thing alive, a thing that watched with an unwinking and terrifying intensity.
I remembered Shooba's savage chant of the One Eye that his Snake had shown him; and the doggerel verse on the frayed paper in Freeman's diary.
"The Watcher in the Dark!" I stammered; "the Watcher in the Dark! Why—why, that paper was the Key itself!"
"Exactly. And a very simple key, though it took me a heartbreaking length of time to turn it. The cipher was easy enough. It falls apart into the figures three, five, seven, and nine; it was also the simplest train of reasoning to apply these figures to the column of dots. Only, I hadn't the remotest idea what the dots themselves represented. Nor did it occur to me that the tortuous turnings of any of the passageways of Hynds House might follow the pattern of the Greek key, until The Author called your attention to the design over the outside windows. Clever man, The Author!
"I lost the paper in the attic the night you heard me stumble on the stairs. Fortunately, The Author put it in his coat in the closet and locked the door on the outside. You can enter any room in the Hynds House through those closet-walls, Sophy. They're paneled, remember. I hated to have to go through The Author's pockets like a burglar, but I had to have the key."
He handed me the flash-light.
"Now for the column of dots, each of which represents a brick," he said, and began to count, from the first dark brick immediately under the center of the triangle. At the third brick he paused; I could see his fingers moving around the white line that, apparently, held it in place. And that third brick, which looked so solidly placed, turned as upon a pivot and swung out sideways. Still counting from top to bottom, he paused at the fifth, the seventh, and the ninth, and they, too, behaved in the same manner. As the ninth one turned, that which had seemed a section of solid wall rose soundlessly from the floor and left in its place an opening, a door, as it were, some six feet high and about eighteen inches wide.
"It is not brick at all, but painted wood. A really wonderful bit of work," explained Mr. Jelnik.
I could only stare, owlishly.