This time there could be no doubt. It was a human voice beyond all question.
"Hello," answered Tad, when, an instant later, he had in a measure mastered his surprise. "Where are you?"
"Guess."
"I can't. I am not a good hand at guessing."
Getting to his feet the lad began searching about, peering into crevices, looking over the edge of the cliff, becoming more and more perplexed and mystified as the moments passed.
"No, I can't find you. Come out and show yourself, whoever you are," he commanded, with some impatience.
A low, mocking laugh answered Tad's irritated command, yet the owner of the voice still remained hidden.
"Who are you, anyway? I know you are a girl, but—"
"But what?" tantalized the voice.
"That's all I know about it, and all I shall at the present rate. Come on, it's not fair to expect me to talk with you when I can't see you—"