They soon passed over the Swift River and through Dexter's Corners and came out on the highway leading to the farm. Looking up into the sky, Hans suddenly saw something unusual approaching.
"Look, look, Sam!" he bawled. "Vot is dot?"
"Oh, that must be our biplane!" answered Sam. "Yes, it is! Dick or Tom must be running it. Isn't it great, Hans?"
"Du meine zeit!" groaned the German youth. "Of Dick or Dom be in dot he preaks his neck sure! Tole him to come town, Sam!"
Sam did not answer, but slowed up the automobile, to better watch the flight of the biplane. Tom was making a graceful curve, so that he might pass directly over the machine below.
"Hello, Hans!" he cried gaily, and waved his hand, for the noise of the engine drowned out his oral salute. Then with a rush the biplane sailed directly over the automobile.
"Sthop! Ton't hit me!" yelled poor Hans, and badly frightened he ducked his head, although the flying machine was fully twenty-five feet above him.
Then Tom made another wide circle and again approached the automobile. But this time he was sailing lower, and even Sam grew uneasy.
"Go up!" he yelled to his brother, and Tom
