Before anyone could attempt to answer, there came a terrible growl, and the next moment a huge lion broke through the foliage of the near-by jungle. It rushed angrily at the circle of jackals and hyenas.

The latter saw it coming and at once took flight, all escaping but one big hyena.

With a tremendous blow of one of its huge claws, the lion broke the hyena’s back and sent it rolling over the ground. With a convulsive twitch it straightened out, dead.

The breathless hunters had watched the tragedy with a terrible fascination, keeping on the alert for any emergency. All knew there was a possibility that the lion might catch their scent, even though there was little or no wind. It was this that made the naturalists and Bob tighten their grips on their rifles.

With a deep, vibrating roar that seemed to roll along the ground, the lion looked around defiantly. Then, apparently satisfied that nothing was near to disturb him, he bent his efforts toward eating the carcass.

“Get ready,” said Mr. Holton in a very low whisper, throwing his gun to his shoulder. “When I give the word, fire.”

Bob aimed carefully at the beast’s heart; Joe cranked away at the movie camera.

“Fire!” said Mr. Holton in a loud voice.

Three rifle shots rent the air. The lion turned on the instant, then collapsed in a heap.

“Hurrah!” yelled Joe, jumping to his feet. “Killed him dead as a door nail. Good——”