"Let me see," said he.

I showed him the book.

"No," said he; "erase that B and put another one before Jones."

"Have you an eraser?"

"I'll get one."

The B after Jones was erased, leaving a dark splotch. I wrote B. before Jones.

"We must get that dark spot out," said he.

He took the book and very carefully tore out part of the leaf, so that there remained only B. Jones and the part of the fly-leaf above the writing.

"Now," said he, "put that in your pocket."

"What is all this for, Doctor?"