CHAPTER IX

A ROBBER

"Loose the winches a little!" ordered Captain Britten sharply. "The air-hoses are strained almost to the breaking point."

"Si," mumbled the engineer, easing off the brake a trifle.

"What's the trouble, in your opinion, Captain?" asked Tom.

The Engineer Eased the Brake

"Hard to say, young fellow," came the worried reply. "What I'm afraid of is that a huge octopus or some such monster has attacked the poor divers. Whatever it is, I fear it's the end for 'em, as there's not another diver aboard and we can't haul the men up for fear of breakin' their air-lines."

"Have you another diving suit?" asked Tom rapidly. "I've had considerable experience in undersea work and can't let those boys drown without trying to help 'em!"