battle with the serpent. Eradicate had caught up a club, and had dashed forward to do what he could, but Tom motioned him back.
"We can manage," spoke the young inventor.
Then he and Ned crept on with ready rifles. The snake raised its ugly head and hissed, ceasing for a moment to constrict its coils about the unfortunate man.
"Now's our chance—fire!" hoarsely whispered Ned.
It seemed as if the big snake heard, for, raising its head still higher, it fairly glared at Ned and Tom. It was the very chance they wanted, for they could now fire without the danger of hitting Mr. Damon.
"Ready?" asked Tom of his chum in a low voice.
"Ready!" was the equally low answer.
It was necesary to kill the serpent at one shot, as to merely wound it might mean that in its agony it would thresh about, and seriously injure, if not kill, Mr. Damon.
"Fire!" called Tom in a whisper, and he and Ned pressed the triggers of the electric rifles on the same instant.
There was a streak of bluish flame that cut like a sliver through the gathering darkness, and then as though a blight had fallen upon it, the
