“How could she get that?”

“Listen; I told you that Colbert found paper on the table.”

“Yes.”

“That he took a pencil from his pocket.”

“Yes.”

“And wrote upon that paper.”

“Yes.”

“Well, this pencil was a lead-pencil, consequently hard; so, it marked in black upon the first sheet, and in white upon the second.”

“Go on.”

“Colbert, when tearing off the first sheet, took no notice of the second.”

“Well?”