THE MAN IN THE PASSAGE
absurd spear into the farther room of Bruno. Then he abandoned himself to such abstract meditations as always amused him—calculating the angles of the mirrors, the angles of each refraction, the angle at which each must fit into the wall … when he heard a strong but strangled cry.
He sprang to his feet and stood rigidly listening. At the same instant Sir Wilson Seymour burst back into the room, white as ivory. "Who's that man in the passage?" he cried. "Where's that dagger of mine?"
Before Father Brown could turn in his heavy boots, Seymour was plunging about the room looking for the weapon. And before he could possibly find that weapon or any other, a brisk running of feet broke upon the pavement outside, and the square face of Cutler was thrust into the same doorway. He was still grotesquely grasping a bunch of lilies-of-the-valley. "What's this?" he cried. "What's that creature down the passage? Is this some of your tricks?"
"My tricks!" hissed his pale rival, and made a stride towards him.
In the instant of time in which all this happened Father Brown stepped out into the top of the passage, looked down it, and at once walked briskly towards what he saw.
At this the other two men dropped their quarrel
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