Milburgh accompanied him to the front gate and locked the door upon the three men before he went back to his sitting-room smiling quietly to himself.
"I am certain that the man was Milburgh," said Tarling.

"I am as certain as that I am standing here." "Have you any idea why he should want to out you ?" asked Whiteside.
"None in the world," replied Tarling.

"Evidently my assailant was a man who had watched my movements and had probably followed the girl and myself to the hotel in a cab.

When I disappeared inside he dismissed his own and then took the course of dismissing my cab, which he could easily do by paying the man his fare and sending him off.

A cabman would accept that dismissal without suspicion.