"Shut your eyes and tell me."
"It is—about seventeen minutes past 4."
"Seventeen and a half," announced Shagarach, taking out his watch. Every man in the room, except the judges, had done likewise, while the ladies all studied the clock.
"Very good. At what time would you fix the explosion in the study?"
"About 3:34."
"One minute earlier, then, than District Chief Wotherspoon. Now, Miss Wesner, do you recollect anything about a peddler in a green cart that used to come to Prof. Arnold's?"
"Oh, that peddler. Yes, indeed, I——"
"How long had he been vending his goods through Cazenove street?"
"About a month. I know I never——"
"Had you seen him before that?"