Hiram Hill was climbing up on his seat, bending low to avoid hitting the canopy top.
"What are you going to do?" shouted Clancy.
"I'm goin' down into the marine gardens, lookin' for trouble! If I can get my lunch hooks on that chap below, I'll bring him aboard, or ashore, or we'll both stay down in the kelp till the crack o' doom! You hear me, Clancy? That feller gave us the slip once, but he'll not do it again!"
With that, Hiram Hill kicked off his shoes, rolled over the rail and went into the water with a splash. Clancy reached for him, but was a minute too late, for his fingers clutched only empty air.
"Look!" whispered Ike huskily, leaning over the glass bottom and staring; "for the love o' Mike, look what's goin' on down there!"
CHAPTER VII.
AT THE BASE OF OLD SUGARLOAF.
Clancy and Ike had the privilege of seeing one of the strangest sights that any one ever saw through a glass-bottom boat. They saw a half-clad man grab another in a bathing suit, and immediately a submarine wrestling match was staged. Burton gripped Hill about the throat, and Hill's fingers slipped forthwith to Burton's windpipe. The scene grew more and more horrible as the moments passed, and Clancy fell to throwing aside his garments preparatory to making a trip of his own to the marine gardens.
"Wait!" clamored Ike excitedly. "They've broke loose from each other! They're comin' up. Don't go in!"