LIST OF ILLUSTRATIONS
_An Explosion Followed That Seemed to Tear Everything to Pieces_ _Frontispiece_
PAGE
_The Points of the Compass_ 27
_The Submarine Decoy_ 30
_Map Showing the Scene of the Wanderings of the Boys_ 43
_The Steel Nets_ 73
_The Entangled Submarine_ 95
_The Periscope_ 137
_The Conning Tower. All That Could Be Seen of the Submarine_ 148
_A Contact Mine_ 156
THE BOY VOLUNTEERS WITH THE SUBMARINE FLEET