The shell went wide, but it brought immediate action from the submarine commander. Evidently he had no mind to try and torpedo the little craft, realizing, perhaps, that did he sink one the other would destroy him.
Motioning the other three men on deck before him, he sprang toward the little conning tower, bent on flight.
At this juncture the Lion came within range and her forward gun spoke loudly. The shell kicked up the water a few yards from the submarine.
"Hoorah!" came the British cry.
"A little soon to cheer," muttered Frank to himself, as he stepped forward to take his second shot at the submarine.
"Boom!"
The gun spoke sharply.
Ahead there was a terrible crash. The German submarine seemed to soar in the air like a skyrocket, and came down in a thousand pieces.
Frank's one well-directed shot had ended the battle.
Then a mighty cheer went up from the men of the mosquito fleet, in which the passengers aboard the Glasgow joined with a will.