Again Mollie dived. She had practiced the trick of opening her eyes under water, and this time she looked carefully over the sunken canoe. She stayed under her full limit, and when she came up she was panting for breath.
"You must not stay under so long," warned Betty.
"There—are—a—lot—of—stones," gasped Mollie. "But I think we can do it," she added a moment later.
"I'll see what I can do," spoke Betty. She was a good swimmer and diver, perhaps not so brilliant a performer as Mollie, but with more staying qualities. Down went Betty in a clean dive, and when she came up, panting and shaking the water from her eyes, she called:
"I lifted out two, but I think we had better let the boys do it, Mollie."
"Perhaps," was the reply.
"I'm sorry you can't count on me," said Grace, "but really I'd have nervous prostration if I went down there, even though it's only ten feet deep, as you say."
"Well, getting nervous prostration under water would be a very bad idea," commented Betty.
"And I'm sure I never could do it," remarked Amy. "Do let the boys manage it, Bet. The
