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"THE SILVANDOS"
137
"And they talk without saying a word," was Zeph's next amazing announcement.
"Whew!" commented Fred dubiously.
"They do. It's that I'm going to show you. Perhaps those boys are the only two of their kind in the United States. They are Silvandos."
"What are Silvandos, Zeph?" inquired Ralph.
"Silvandos," replied Zeph, with manifest enjoyment of the fact that he was making a new and mystifying disclosure, "are persons who carry on a conversation through a whistling language."
