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  MOTOR STORIES

  THRILLING
  ADVENTURE

  MOTOR
  FICTION

  NO. 15
  JUNE 5, 1909

  FIVE
  CENTS

  MOTOR MATT'S
  SUBMARINE

  _OR_ THE STRANGE
  CRUISE OF THE GRAMPUS

  _By
  THE AUTHOR OF "MOTOR MATT"_

  [Illustration: _MOTOR MATT GRABBED AT THE ROPE
  AS IT WAS THROWN TO HIM BY THE
  MAN IN THE SUBMARINE._]

  _STREET & SMITH,
  PUBLISHERS,
  NEW YORK._




MOTOR STORIES

THRILLING ADVENTURE MOTOR FICTION

_Issued Weekly. By subscription $2.50 per year. Entered according to
Act of Congress in the year 1909, in the Office of the Librarian of
Congress, Washington, D. C., by_ STREET & SMITH, _79-89 Seventh Avenue,
New York, N. Y._

  No. 15.      NEW YORK, June 5, 1909.      Price Five Cents.




MOTOR MATT'S SUBMARINE;

OR,

THE STRANGE CRUISE OF THE _GRAMPUS_.

By the author of "MOTOR MATT."




CONTENTS


  CHAPTER I. A STARTLING REPORT.
  CHAPTER II. MIXED MESSAGES.
  CHAPTER III. HURRY-UP ORDERS.
  CHAPTER IV. ACCIDENT OR DESIGN?
  CHAPTER V. SIXTY SHOWS HIS HAND.
  CHAPTER VI. AN UNEXPECTED RESCUE.
  CHAPTER VII. A FRUITLESS SEARCH.
  CHAPTER VIII. THE OVERTURNED BOAT.
  CHAPTER IX. ADRIFT IN THE STORM.
  CHAPTER X. THE DERELICT.
  CHAPTER XI. THE SCHOONER.
  CHAPTER XII. A STUNNING SURPRISE.
  CHAPTER XIII. CLOSING IN.
  CHAPTER XIV. THE "GRAMPUS" GETS A CLUE.
  CHAPTER XV. AN ULTIMATUM.
  CHAPTER XVI. "OFF WITH THE OLD, AND ON WITH THE NEW."
  The Chicken-hearted Tenderfoot.




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,