before him: walking in a self-contained way as if there were nothing in the streets to claim his attention.

His mouth was such a post-office of a mouth that he had a mechanical appearance of smiling. We had got to the top of Holborn Hill before I knew that it was merely a mechanical appearance, and that he was not smiling at all.

“Do you know where Mr. Matthew Pocket lives?” I asked Mr. Wemmick.

“Yes,” said he, nodding in the direction. “At Hammersmith, west of London.”

“Is that far?”

“Well! Say five miles.”

“Do you know him?”

“Why, you're a regular cross-examiner!”