But she no longer walked in the submarine forest; she only sat in a wood and read about other people doing it, lifting her eyes from the page every now and then, and turning her head uneasily from side to side, feeling very lonely in that great, still place! What was that? A magpie or a human whistle? "--two-three, _one_-two-three, _one_--". Someone was whistling the air from _Faust_. Mollie sprang to her feet and coo-eed with all her might and main. The whistling stopped short, and there was an answering shout in a man's voice. Mollie coo-eed again. "Hi! You'll have to come to me," the man shouted; "I can't come to you. Tied here by the leg." It is not an easy thing to locate a sound in the open air, and though Mollie had had some practice in the course of her Guide work, it was only after several shouts on the man's part and experiments on hers that she at last found herself standing beside Mr. John Smith, who was sitting on the ground with one bootless leg stretched out before him. "I am glad to see you," he said to Mollie. "I have sprained my ankle rather badly, and was just wondering what to do next. There seemed to be nothing for it but to crawl all the way home, and the prospect was not pleasing." "I am glad to see you too," said Mollie. "I am lost." "Lost!" exclaimed the young man. "Oh no, you aren't. I have a compass, and it is not more than a couple of miles or so to Silver Fields, von Greusen's place. I'll show you how to use a compass, and you will be my good angel and go to Silver Fields and ask them to send a horse along, and I will be grateful to you for ever." "I know how to use a compass, thank you," said Mollie, feeling greatly relieved, "and I will go to Mr. von Greusen's place if you tell me where it is; but first I will bandage up your foot and make it feel easier. I have learnt First Aid. May I take that thing off your hat for a bandage?"--as she noticed the pith helmet and pugaree lying on the ground. "My pugaree? Good idea! I don't know what First Aid is precisely, but it sounds appropriate. Do you mean you can fix a bandage?" "Rather," said Mollie, comfortably conscious that she was a First-class Guide and a bright and shining light in this particular line. "How did you sprain your ankle? I suppose you--" she stopped short. She had almost said that she supposed he had tripped over an obstacle in a fit of loverishness. "I suppose your foot just went. That's what mine did." "I caught it in a rabbit-hole," he answered, "the floor of Australia seems to be perforated with them. Why didn't you coo-ee sooner?" "I did," Mollie answered, as she unwound the pugaree and took off her patient's sock, "I coo-eed ever so often--oh, dear me! that _is_ a bad foot! I'm afraid you'll be laid up for ever so long. Why didn't _you_ coo-ee?"