Back at their homes, Bob and Joe were surprised to see a tall young man of perhaps twenty-five conversing with the three naturalists in the Holton library.
Mr. Lewis looked up suddenly as he caught sight of his son and Bob.
“We’ve a surprise for you,” he said smiling. “Part of the Andes expedition is going by airplane.”
CHAPTER VII
Off for the Andes
THE surprise of Bob and Joe was almost inconceivable. They stood staring for several seconds before either seemed to grasp the full significance of the naturalist’s words.
“Airplane? Going by airplane?” gasped Joe. “How come?”
His father laughed.
“We expected to see you fellows startled,” Mr. Lewis said. “But that you would show such unusual astonishment we did not in the least anticipate.” He turned to the stranger. “This,” he went on, addressing the youth, “is Mr. Karl Sutman, who is going to take several members of the expedition in his airplane, or rather monoplane. Karl, I want you to meet Bob Holton and Joe Lewis, the young men we were just talking about.”