CONTENTSCHAP. I. [SIR SILAS DISAPPROVES]II. [DICK ATHERTON'S GOOD TURN]III. [THE PATROL LEADER'S DILEMMA]IV. [OFF TO SEAL ISLAND]V. [THE ARRIVAL]VI. [A SPOILT BREAKFAST]VII. [THE MYSTERIOUS FOOTPRINTS]VIII. [THE MISSING THOLE-PINS]IX. [AT THE LIGHTHOUSE]X. [THE WRECK]XI. [HOW CAME PAUL TASSH ON SEAL ISLAND?]XII. [THE BURGLARY]XIII. [FLIGHT]XIV. [PHILLIPS' DISCOVERY]XV. [THE EXPLORATION OF THE TUNNEL]XVI. [TRAPPED]XVII. [THE MYSTERIOUS YACHT]XVIII. [HOT ON THE TRAIL]XIX. [THE FIRST CAPTURE]XX. [A GOOD NIGHT'S WORK]LIST OF ILLUSTRATIONS["THEY LANDED SAFELY ON THE LEE SIDE OF THE STONE PIER" Frontispiece]["LOOK HERE, YOUNG GENTLEMAN, CAN YOU GIVE ME ANY INFORMATION AS TO WHAT OCCURRED?"]["HE SLIPPED OVER THE CLIFF AND WAS SLOWLY LOWERED"]["QUITE EXHAUSTED, THE FIRST SURVIVOR WAS ASSISTED TO THE MOST SHELTERED POSITION ON THE LEDGE"]["IN BROKEN-STEP FORM THE SCOUTS CARRIED THEIR COMRADE TOWARDS THE CAMP"]["'IN THE NAME OF THUNDER, WHAT HAVE YOU SCOUTS BEEN UP TO?'"]["THROUGHOUT THE REST OF THE AFTERNOON THE WOLVES KEPT ON THE WATCH"]["'HANDS UP INSTANTLY OR I'LL FIRE!' ORDERED MR. BUCKLEY STERNLY"]THE SCOUTS OFSEAL ISLAND