“I’ll watch.” Jack laughed.

“But they may not come back.”

“Something tells me they will. There’s still enough kerosene hidden away in that giant crevasse to take them round the world. Looks like their base.”

After that the boys tramped on in silence.

The fish, broiled over a fire of coals, were delicious. When they had devoured the whole string, Stew thought of dessert.

“How about a banana?” he suggested.

“They haven’t had time to ripen yet,” replied Jack. Stew sprang to his feet, took one look at the tree from which the bananas hung, then exclaimed in a whisper:

“Jeepers! Look who’s here!”

On top of the bunch, holding a banana, sat a small monkey with a dried-up manlike face.

“Wait!” Jack whispered. “I’ll give him a surprise!” Creeping up very softly, he suddenly popped up within five feet of the monkey.