Miss Penelope Morse was perfectly well aware that the taxicab in
which she left the Carlton Hotel was closely followed by two
others. Through the tube which she found by her side, she altered
her first instructions to the driver, and told him to proceed as
fast as possible to Harrod's Stores. Then, raising the flap at
the rear of the cab, she watched the progress of the chase. Along
Pall Mall the taxi in which she was seated gained considerably,
but in the Park and along the Bird Cage Walk both the other
taxies, risking the police regulations, drew almost alongside.
Once past Hyde Park Corner, however, her cab again drew ahead,
and when she was deposited in front of Harrod's Stores, her
pursuers were out of sight. She paid the driver quickly, a little
over double his fare.

"If any one asks you questions," she said, "say that you had
instructions to wait here for me. Go on to the rank for a quarter
of an hour. Then you can drive away."

"You won't be coming back, then, miss?" the man asked.

"I shall not," she answered, "but I want those men who are
following me to think that I am. They may as well lose a little
time for their rudeness."

The chauffeur touched his hat and obeyed his instructions. Miss
Penelope Morse plunged into the mazes of the Stores with the air
of one to whom the place is familiar. She did not pause, however,
at any of the counters. In something less than two minutes she
had left it again by a back entrance, stepped into another