Miss Sallie laughed. “In this case the guard house means only the cabin. The girl who fails to appear when the roll is called in the evening must remain within the limits of the camp all the following day.”
Bab and Mollie left Miss Stuart before the log fire in the living room of their hut. Miss Sallie, who had a taste for romance in the lives of other people, was deep in the reading of a new novel. A part of the camping supplies had been a collection of new books for her.
“Come on, Mollie,” cried Bab gayly. “Let’s go over in the woods and gather some pine and cedar branches for our fire this evening.” Barbara walked ahead, pulling a small wagon behind her with all the ardor of a young boy. “You see,” she avowed to Mollie, “I don’t have to remember I am sixteen, or a girl, while we are living in the woods. I can be just as independent as I like.”
The two sisters were deep in their task. The little wagon was piled high with evergreens. Suddenly Mollie started. She thought she heard a voice calling from somewhere above their heads. “Hi, there! Hello! Hello!”
“Did you hear some one calling?” asked Mollie.
“Why, no,” responded Barbara. “What is the matter with you, Mollie? This morning you heard a ‘spook’ outside the door, this afternoon you believe you hear a voice calling you. Beware, child! Perhaps you are already afflicted with the wood madness, and may see that wonderful ghost.”
“Hi, there! Hi, there!” A voice was surely floating down from the sky.
This time Bab stared. Mollie looked triumphant. As far as they could see around them, there was no other human creature. And the sound did not come from the ground. Mollie was right. The noise was from overhead. But it was so far off and faint, it could not come from the trees above them.
Bab and Mollie ran out into an open space. There was a strange, rattling, swinging noise above their heads, as though a pair of mammoth wings were beating in the sky. The two girls looked up. There, about twenty yards above the tops of the highest trees was the strangest object ever seen by Mollie and Bab!
“What on earth is it?” Bab breathed faintly. The voice sounded more distinctly this time. “Is there some one down there in the woods?”