But nothing hindered their flight, and after a thrilling ride over fascinating country the explorers came to Quito, at the very rim of the lofty peaks. Karl finally was able to bring the airplane safely down at the edge of the city. He switched off the engine, and, with the others, turned to glimpse the surrounding mountains.
On all sides were the magnificent heights of the mighty Andes, reaching thousands of feet above the city. Quito itself was built in a wide valley, nearly eleven thousand feet above sea level.
All during the last hour, as they had soared steadily upward, Joe had had a strange feeling of nausea, which grew still worse after they had landed at Quito. Now, when they were about to make their way into the city, Joe slumped down on the ground beside the monoplane.
“I’m sick!” he moaned helplessly. “Guess I can’t go with you now.”
CHAPTER XIII
A Happy Reunion
“SICK?” cried Bob anxiously. “What seems to be the trouble?” He and Mr. Holton had moved over to Joe.
“Got a terrible headache. Feel bad all over. My—my stomach doesn’t seem right.”