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

"Submarine two points to starboard, sir!" shouted a voice.

Instantly there was confusion; the captain sprang from the end of the bridge to the board behind the quartermaster and pushed a lever to the right.