Front matter

The Volcano Wakes.

RADIO BOYS UNDER THE SEA or, The Hunt for Sunken Treasure BY J. W. DUFFIELD

M. A. DONOHUE & COMPANY CHICAGO NEW YORK

The RADIO BOYS SERIES

RADIO BOYS IN THE SECRET SERVICE; or, Cast Away on an Iceberg. RADIO BOYS IN THE FLYING SERVICE; or, Held For Ransom by Mexican Bandits. RADIO BOYS IN THE THOUSAND ISLANDS; or, The Yankee-Canadian Wireless Trail. RADIO BOYS UNDER THE SEA; or, The Hunt for Sunken Treasure.

COPYRIGHT 1923. BY M. A. DONOHUE & CO. MADE IN U. S. A.

CONTENTS

I.A Daring Leap

II.By Land and Sea

III.Radio and Its Wonders

IV.Strange Happenings

V.Marooned

VI.The Sunken Treasure

VII.A Hazardous Venture

VIII.Counting the Cost

IX.“Man Overboard!”

X.Lurking in the Shadows

XI.The Wrath of the Storm

XII.Shipwrecked

XIII.Under the Sea

XIV.The Tentacles of the Devil-Fish

XV.Torn Apart

XVI.Wave-Tossed

XVII.An Uncanny Experience

XVIII.Gold and Jewels

XIX.A Perplexing Mystery

XX.The Earthquake

XXI.From the Ocean Bed

XXII.Quelling a Mutiny

XXIII.The Horrors of the Lagoon

XXIV.Cheating the Sharks

XXV.In Deadly Danger

XXVI.The Volcano Wakes

XXVII.On the Alert

XXVIII.A Flag of Truce

XXIX.A Fight for Life

XXX.Victory!