He waited until quarter-past eleven, when Mr.Douglas upon his usual nightly round came into the room.

He shot him and escaped, as arranged.

He was aware that the bicycle would be described by the hotel people and be a clue against him; so he left it there and made his way by some other means to London or to some safe hiding place which he had already arranged.

How is that, Mr.Holmes ?" "Well, Mr.Mac, it is very good and very clear so far as it goes.

That is your end of the story.