"No!" exclaimed Mart, his mind leaping ahead swiftly. "The kris, Holly! He said it was stickin' in the wreck. The lines came against it and cut off! Here, get the other lines connected up with that spare helmet—move lively!"
Bob stumbled forward in blind obedience, as Mart flung away the useless lines and darted to the spare diving suit, which lay ready with its hose and lines coiled at its side. He opened the wide neck and, snatching off his shoes, began to get into the huge garment in feverish haste.
"What you going to do?" queried the doubly horrified Bob.
"Goin' down, o' course," snapped Mart. "Hurry up, there!"
CHAPTER XV
MART GOES DOWN
"But, Mart!" Poor Bob's voice rang out in terror-stricken accents. "Jerry'll be drowned before you can reach him!"
"Shut up!" crackled out Mart, snapping his wrist-bands close. "He won't either. When the air hose is cut, that helmet valve closes automatically. Jerry's down there, an' he can't get up, that's all. Hurry up with that hose!"
Bob fell to work again, his fingers trembling. Mart got into the big shoes and laced over the flaps, for he knew that every second counted, but at the same time he must overlook no slightest item in his dress.