CHAPTER XVI. A DESPERATE RISK.

IN THE HANDS OF THE ENEMY.

CHARACTERS THAT APPEAR IN THIS STORY.

=Motor Matt=, a lad who is at home with every variety of motor, and whose never-failing nerve serves to carry him through difficulties that would daunt any ordinary young fellow. Because of his daring as a racer with bicycle, motor-cycle and automobile he is known as "Mile-a-minute Matt." Motor-boats, air ships and submarines come naturally in his line, and consequently he lives in an atmosphere of adventure in following up his "hobby."

=Dick Ferral=, a young sea dog from Canada, with all a sailor's superstitions, but in spite of all that a royal chum, ready to stand by the friend of his choice through thick and thin.

=Carl Pretzel=, a cheerful and rollicking German boy, stout of frame as well as of heart, who is led by a fortunate accident to link his fortunes with those of Motor Matt.

=Ensign Glennie=, representing the U. S. Government on board the _Grampus_ during her long trip around South America.

=Tolo=, a valiant though unscrupulous Japanese patriot anxious to die for his country.

=Mr. Brigham=, our consul at Para, Brazil, who proves to be the right kind of man for the job.

=Clackett=, } =Speake=, } the crew of the submarine marvel. =Gaines=, }