Chapter I: Front Matter

_Frontispiece_]

Dave Darrin on Mediterranean Service

OR

With Dan Dalzell on European Duty

By

H. IRVING HANCOCK

Author of "Dave Darrin at Vera Cruz," "Dave Darrin's
South American Cruise," The West Point Series,
The Annapolis Series, The Boys of the
Army Series, Etc., etc.

Illustrated

P H I L A D E L P H I A
HENRY ALTEMUS COMPANY

COPYRIGHT, 1919, BY
HOWARD E. ALTEMUS

CONTENTS

PAGE

CHAPTER I--GREEN HAT, THE TROUBLE-STARTER 11

Dave Darrin and Dan Dalzell, while ashore at
Gibraltar, have an exciting experience with a spy
and stir up a deep mystery.

CHAPTER II--DAN'S THIRTY-THREE-DOLLAR GUESS 27

Admiral Timworth solves the mystery for the ensigns
and amazes them very much.

CHAPTER III--THE STARTLER AT MONTE CARLO 43

Danny turns a trick on a brother officer. Ashore at
Monte Carlo the young ensigns find the makings of
future trouble.

CHAPTER IV--MR. GREEN HAT'S NEW ROLE 55

Dave loses a human trail and saves a human life.
Then the plot begins to thicken.

CHAPTER V--DANNY GRIN FIGHTS A SMILE 70

Mr. Green Hat sets a trap at the gambling resort,
into which Ensign Dalzell smilingly walks.

CHAPTER VI--DAVE RUNS INTO A REAL THRILL 78

A desperate plot to involve his country heard by
Dave Darrin, who acts swiftly on the information he
has obtained.

CHAPTER VII--THE ADMIRAL UNLOADS HIS MIND 87

Called before the Admiral, the young officers make
their report. The former sends a wireless to
Washington, later summoning the ensigns to his
quarters for secret orders.

CHAPTER VIII--ON LIVELY SPECIAL DUTY 96

A delicate international situation is explained to
Dave and Danny, who are then ordered ashore at
Naples on a special and perilous mission.

CHAPTER IX--M. DALNY PLANS A TRAGEDY 102

Darrin meets one of the men he is looking for. As a
result of that meeting he and Dan are sentenced to
death.

CHAPTER X--TREACHERY HAS THE FLOOR 116

Enticed away for a drive, the Naval officers find
themselves in a disreputable section of Naples and
on the threshold of a tragedy.

CHAPTER XI--HEMMED IN BY THE BRAVOS 124

Dave and Dan are attacked by a mob of Sicilian
bravos and fight a desperate battle to save their
own lives.

CHAPTER XII--EVIL EYES ON SAILORMAN RUNKLE 132

The young officers now discover the real reason for
the attempt on their lives, but, though they do not
know it, fresh perils await them.

CHAPTER XIII--ORDERS CHANGE IN A MINUTE 138

Able Seaman Runkle, bearing an important
communication from Darrin to the Captain of the
U. S. S. "Hudson," gets into serious difficulties.

CHAPTER XIV--DAN HAS VERY "COLD FEET" 151

Beset by spies, the two young officers set out on a
long journey after an exciting start, later finding
that they have been guilty of a grave oversight.

CHAPTER XV--AT THE AMERICAN EMBASSY 161

Dave and Danny arrive in Paris, where they are the
guests of the American Ambassador. Darrin trails an
international plotter and makes an important
discovery.

CHAPTER XVI--"SEEING" THE PARIS APACHES 179

The young ensign, after picking up a valuable clew,
is attacked by savage Paris Apaches, who, angered by
his defense, determine to take his life.

CHAPTER XVII--DAVE'S GUESS AT THE BIG PLOT 189

The details of a plan to involve the United States
in war with England are unfolded to his Admiral by
Ensign Dave.

CHAPTER XVIII--SURIGNY'S NEXT MOVE 198

English and American officers join hands and one
gets a remarkable message from an international
plotter as the trail grows hot.

CHAPTER XIX--TRUTH, OR FRENCH ROMANCE 207

Dave meets an acquaintance and listens to an
astounding confession.

CHAPTER XX--THE ALLIES CLEAR FOR ACTION 213

"A submarine will sink the British battleship
to-night," is the startling information imparted by
Dave to his companions.

CHAPTER XXI--MAKING STERN WORK OF IT 223

The young American Naval officer in command of a
boarding party on the plotter's yacht, is neatly
trapped.

CHAPTER XXII--AFTER THE PEST OF THE SEAS 233

Ensign Darrin and his crew on the Navy launch make
an exciting discovery after accomplishing a
brilliant capture.

CHAPTER XXIII--THE PUZZLE OF THE DEEP 240

While engaged in a thrilling chase after an undersea
boat the launch's company find the tables
unexpectedly turned on them.

CHAPTER XXIV--CONCLUSION 249

The pursuit comes to a stirring finish, with Able
Seaman Runkle's reputation saved and Ensign Darrin
highly honored.

DAVE DARRIN

ON MEDITERRANEAN SERVICE