"Yes, try it. Pretty long shot, though."

Before Runkle could aim and discharge his piece a swift, red flash shot from the bow of the number 2 launch commanded by Danny Grin. Runkle fired a second later, but the periscope still stood as if mocking the eager gunners.

"I'm glad somebody else missed," growled Runkle, who was becoming exasperated. He was doing himself injustice, though, for each time he had fired, his mark, considering the distance, had been small, and the searchlight was no peer of daylight in aiding a gunner.

Ensign Darrin admitted to himself that he was stumped. He ordered the course changed, with speed ahead, his purpose being to scan the water for the bubbled trail left by the underseas craft. But by the time that he judged himself to be going over the recently observed position of the submersible the searchlight revealed no bubbles.

The third launch now coming in close, Dave, by signal, ordered Ensign Sutton of the British forces to go slowly inshore. He too was to watch for bubbles, as well as to be alert for a re-appearance of the enemy craft.

The longer the suspense lasted, the more uneasy Darrin became.

"There she is, sir!" called a low but penetrating voice from the stern watch. "Three points off the stern to port, sir."

So quickly did the helmsman bring the launch about that she heeled and shipped a volume of water. Darrin, as he leaped upon the forward deck, ordered the sailor manning the searchlight to shut off.

"Don't turn it on again without orders. I believe I can follow the pest with my glass if she will only keep her conning tower above water. Signalman, send my order to the other launches not to use their searchlights without first asking permission."

By this time Darrin, standing on the forward deck, had the submarine's turret, or as much of it as showed, in the field of his night-glass.