two affairs on hand; and every day, as he passed through streets crowded or deserted, and lurked in the obscure districts, and watched at corners, he was more than surprised to find that the affair of the gold coin persistently avoided him; while the ingenious Wilkins, and the young man with spectacles whom he dreaded, seemed to have vanished from the pavements.
He was pondering these problems one evening in a house of call in the Strand, and the obstinacy with which the persons he so ardently desired to meet hung back gave the modest tankard before him an additional touch of bitter. As it happened, he was alone in his compartment, and, without thinking, he uttered aloud the burden of his meditations. "How bizarre it all is!" he said, "a man walking the pavement with the dread of a timid-looking young man with spectacles continually hovering before his eyes. And there was some tremendous feeling at work, I could swear to that." Quick as thought, before he had finished the sentence, a head popped round the barrier, and was withdrawn again; and while Dyson was wondering what this could mean, the door of the compartment was swung open, and a smooth, clean-shaven, and smiling gentleman entered.
"You will excuse me, sir," he said politely, "for intruding on your thoughts, but you made a remark a minute ago."
"I did," said Dyson; "I have been puzzling over a foolish matter, and I thought aloud. As you heard what I said, and seem interested, perhaps you may be able to relieve my perplexity?"
