you may take that to be my final answer."
He asked for an hour to himself to think over what he had been told,
and suggested we met again at his hotel for lunch at two o'clock. He
left on foot with Dr. Mortimer. The instant the front door banged, Holmes
changed from the languid dreamer to the man of action. In a moment, we
were dressed and in to the street in time to see our visitors two hundred
yards ahead of us in the direction of Oxford Street. Not knowing what
Holmes intended, I asked if I should run and stop them, but he was content
to follow them, decreasing the distance to a hundred yards, into Oxford
Street and down Regent Street, stopping, as they did, to stare into a shop
window.
Then Holmes gave a cry of satisfaction. Following his gaze, I saw that a
hansom cab with a man inside, which had halted on the other side of
