“Which is the longest river in the United States?” asked the squire.

“The Mississippi.”

“Very good,” said the squire, as if he hardly anticipated a correct answer to so difficult a question.

Squire Griffiths now essayed a more ambitious flight.

“Where are the Amazon Mountains?” he asked.

“The Amazon Mountains?” repeated Walter, puzzled.

“Yes. Where are they?”

“I believe the Amazon is a river, Squire Griffiths,” suggested General Wall, with suavity. “You are probably thinking of the Andes Mountains.”

“Yes, I was,” said the squire, a little discomposed, for he did not know where the Andes Mountains were, and was surprised to learn that the Amazon was a river.

“In South America,” said Walter.