“Can’t you find it?”

“Maybe.”

“When did you use it last?”

“Don’t know.”

“Well, where did you see it last?”

“At the second-hand bookstore.”

Dick stared. “Did some one steal it, or did you lose it?”

“Neither,” replied the laconic Tompkins.

“Then you must have sold it.”

“Yes, I suppose I must have sold it,” sighed Tompkins. “Any more questions?” he asked after an interval, as Melvin gazed and wondered. “I really ought to do this reading, you know. I rather flunked on it yesterday, and I don’t like to repeat the performance to-day.”